SDK Release Notes

      +
      Release notes, installation instructions, and download archive for the Couchbase C Client, libcouchbase (LCB).

      These pages cover the 3.x versions of the Couchbase C SDK. For release notes, download links, and installation methods for 2.10 and earlier releases of the Couchbase C Client, please see the 2.x C Release Notes & Download Archive.

      Platform support and installation

      The Couchbase C SDK can be installed via apt or yum repositories on GNU/Linux; homebrew on Mac OS X; and binary archives for Microsoft Windows. It may also be built from source on any of the platforms mentioned above, and more.

      Installing on GNU/Linux

      The various Linux distributions contain the following packages:

      • libcouchbase3: The core library package.

      • libcouchbase-dev (or libcouchbase-devel): The development package, required if building SDKs which depend on the C SDK.

      • libcouchbase3-tools: The command line utilities (cbc and others).

      • libcouchbase3-libevent: Optional but recommended component for I/O performance. Can also be used to integrate with libevent (see Asynchronous Programming).

      • libcouchbase3-libev: Optional, for use with applications that make use of event loop integration with libev (see Asynchronous Programming). To install the C SDK from a static binary package or by manually configuring the repositories, you can use the following procedures.

      Configuring yum repositories (CentOS, Redhat)

      This section assumes you know how to add an external yum repository and Linux quick start explains the steps it will perform on your distribution. To configure the repository:

      1. Find the appropriate repository location for your distribution in the following table.

      Version

      Architecture

      Repository

      Amazon Linux 2023

      64-bit

      https://packages.couchbase.com/clients/c/repos/rpm/amzn2023/x86_64

      Amazon Linux 2

      AArch64

      https://packages.couchbase.com/clients/c/repos/rpm/amzn2/aarch64

      Amazon Linux 2

      64-bit

      https://packages.couchbase.com/clients/c/repos/rpm/amzn2/x86_64

      Enterprise Linux 7

      64-bit

      https://packages.couchbase.com/clients/c/repos/rpm/el7/x86_64

      Enterprise Linux 8

      64-bit

      https://packages.couchbase.com/clients/c/repos/rpm/el8/x86_64

      Enterprise Linux 9

      64-bit

      https://packages.couchbase.com/clients/c/repos/rpm/el9/x86_64

      1. Create a couchbase.repo file in your /etc/yum.repos.d directory. It should look similar to the following:

      [couchbase]
      enabled = 1
      name = libcouchbase package for centos7 x86_64
      baseurl = https://packages.couchbase.com/clients/c/repos/rpm/el7/x86_64
      gpgcheck = 1
      gpgkey = https://packages.couchbase.com/clients/c/repos/rpm/couchbase.key

      Configuring APT repositories (Debian, Ubuntu)

      This section assumes some knowledge of apt and Linux quick start explains the steps it will perform on your distribution. To configure the repository:

      1. Download the Couchbase GPG key from https://packages.couchbase.com/clients/c/repos/deb/couchbase.key

      2. Add the key to the list of trusted package keys. Use the apt-key add command. For example, apt-key add couchbase.key.

      3. Create a couchbase.list file in /etc/apt/sources.list.d. The file should contain the repository for your distribution. Repositories are available for the following distributions:

      Distribution

      Repository Entry

      Ubuntu 16.04 ("xenial")

      deb https://packages.couchbase.com/clients/c/repos/deb/ubuntu1604 xenial xenial/main

      Ubuntu 18.04 ("bionic")

      deb https://packages.couchbase.com/clients/c/repos/deb/ubuntu1804 bionic bionic/main

      Ubuntu 20.04 ("focal")

      deb https://packages.couchbase.com/clients/c/repos/deb/ubuntu2004 focal focal/main

      Ubuntu 22.04 ("jammy")

      deb https://packages.couchbase.com/clients/c/repos/deb/ubuntu2204 jammy jammy/main

      Debian 10 ("buster")

      deb https://packages.couchbase.com/clients/c/repos/deb/debian10 buster buster/main

      Debian 11 ("bullseye")

      deb https://packages.couchbase.com/clients/c/repos/deb/debian11 bullseye bullseye/main

      Note that only Ubuntu LTS (long term support) releases are supported. You may try to use an LTS repository for a non-LTS version, but success is not guaranteed.

      Now that you have the repository configured, refresh the cache then check to see that you have been successful:

      $ sudo apt update
      $ sudo apt search libcouchbase

      You should see something like:

      libcouchbase-dbg - library for the Couchbase protocol, debug symbols
      libcouchbase-dev - library for the Couchbase protocol, development files
      libcouchbase3 - library for the Couchbase protocol, core files
      libcouchbase3-libev - library for the Couchbase protocol (libev backend)
      libcouchbase3-libevent - library for the Couchbase protocol (libevent backend)
      libcouchbase3-tools - library for the Couchbase protocol

      Now, install libcouchbase3, and any other packages that you need for development:

      $ sudo apt install libcouchbase3 libcouchbase-dev libcouchbase3-tools libcouchbase-dbg libcouchbase3-libev libcouchbase3-libevent

      For CentOS and Red Hat, the equivalent commands are:

      $ sudo yum check-update
      $ sudo yum search libcouchbase

      Starting from 3.3.1 libcouchbase RPMs for CentOS 7 require OpenSSL 1.1, because Couchbase Capella requires modern cyphers.

      sudo yum install -y epel-release
      $ sudo yum install libcouchbase3 libcouchbase-devel libcouchbase3-tools

      Installing binary packages without a repository

      You can install standalone packages by downloading a tarball containing the necessary binary packages for your platform.

      Installing RPMs

      The following commands show steps to execute on CentOS 7 box. For other RPM-based distributions — such as Amazon Linux 2023 — the steps are the same or similar.

      $ curl -O https://packages.couchbase.com/clients/c/libcouchbase-3.3.12_centos7_x86_64.tar
      $ tar xf libcouchbase-3.3.12_centos7_x86_64.tar
      $ cd libcouchbase-3.3.12_centos7_x86_64
      $ sudo yum install -y libcouchbase3{-tools,-libevent,}-3.3.12*.rpm libcouchbase-devel-*.rpm
      > ...
      > Installed:
      >   libcouchbase-devel.x86_64 0:3.3.12-1.el7
      >   libcouchbase3.x86_64 0:3.3.12-1.el7
      >   libcouchbase3-libevent.x86_64 0:3.3.12-1.el7
      >   libcouchbase3-tools.x86_64 0:3.3.12-1.el7
      > ...
      >
      > Complete!

      Installing DEBs

      The following commands show steps to execute on Debian 10 (buster) box, see table below for other DEB-based distributions.

      $ curl -O https://packages.couchbase.com/clients/c/libcouchbase-3.3.1_debian10_buster_amd64.tar
      $ tar xf libcouchbase-3.3.1_debian10_buster_amd64.tar
      $ cd libcouchbase-3.3.1_debian10_buster_amd64
      $ sudo apt install libevent-core-2.1
      $ sudo dpkg -i libcouchbase3{-tools,-libevent,}_3.3.1*.deb libcouchbase-dev*.deb
      $ sudo dpkg -i libcouchbase3{-tools,-libevent,}_3.2.0*.deb libcouchbase-dev*.deb
      > Selecting previously unselected package libcouchbase3-tools.
      > (Reading database ... 7177 files and directories currently installed.)
      > Preparing to unpack libcouchbase3-tools_3.2.0-1_amd64.deb ...
      > Unpacking libcouchbase3-tools (3.2.0-1) ...
      > Selecting previously unselected package libcouchbase3-libevent:amd64.
      > Preparing to unpack libcouchbase3-libevent_3.2.0-1_amd64.deb ...
      > Unpacking libcouchbase3-libevent:amd64 (3.2.0-1) ...
      > Selecting previously unselected package libcouchbase3:amd64.
      > Preparing to unpack libcouchbase3_3.2.0-1_amd64.deb ...
      > Unpacking libcouchbase3:amd64 (3.2.0-1) ...
      > Selecting previously unselected package libcouchbase-dev:amd64.
      > Preparing to unpack libcouchbase-dev_3.2.0-1_amd64.deb ...
      > Unpacking libcouchbase-dev:amd64 (3.2.0-1) ...
      > Setting up libcouchbase3:amd64 (3.2.0-1) ...
      > Setting up libcouchbase-dev:amd64 (3.2.0-1) ...
      > Setting up libcouchbase3-libevent:amd64 (3.2.0-1) ...
      > Setting up libcouchbase3-tools (3.2.0-1) ...
      > Processing triggers for libc-bin (2.28-10) ...

      Installation from source

      You may install the library from source either by downloading a source archive, or by checking out the git repository. Follow the instructions in the archive’s README for further instructions.

      Installation on Mac OS X

      To install the library on Mac OS X, first install the de-facto package manager for OS X: homebrew. Once homebrew is configured:

      $ brew update # get list of latest packages
      $ brew install libcouchbase

      To install development files and command line tools on Mac OS, follow the instructions for installing from source.

      Windows Installation

      Windows binary packages can be found as downloads for each version listed below. Included are the header files, release and debug variants of the DLLs and import libraries, and release and debug variants of the command line tools. Note that the C SDK does not have any preferred installation path, and it is up to you to determine where to place libcouchbase.dll.

      Be sure to select the proper package for the compiler and architecture your application is using.

      If there are no binaries available for your Visual Studio version, then using a binary from any other Visual Studio version is likely to work. Most of the issues related to mixing Visual Studio binary versions involve changing and incompatible C APIs or incompatible C Runtime (CRT) objects and functions. Since the Couchbase C SDK does not expose a C API, and since it does not directly expose any CRT functionality, it should be safe for use so long as your application can link to the library at compile-time. The windows runtime linker will ensure that each binary is using the appropriate version of the Visual C Runtime (MSVCRT.DLL).

      If for some reason you cannot use any of the prebuilt Windows binaries, follow the instructions in installation from source (above) to build on Windows.

      Verifying Installed Package

      The easiest way to verify installed package is to check its version using cbc tools. It requires package libcouchbase3-tools installed on Linux systems, for Windows cbc.exe included in the zip archive. To verify the client run cbc version (cbc.exe version on Windows). It shows version along with git commit numbers. Then it prints default directory where IO plugins installed and enumerates the currently installed and available plugins. After that it reports whether OpenSSL linked to this particular version of libcouchbase, and displays the version number if it is accessible.

      $ cbc version
      cbc:
        Runtime: Version=3.2.0, Changeset=c712686af5825f2f05c89112e555cd09906aa727
        Headers: Version=3.2.0, Changeset=c712686af5825f2f05c89112e555cd09906aa727
        Build Timestamp: 2021-07-20 09:31:59
        Default plugin directory: /usr/lib64/libcouchbase
        IO: Default=libevent, Current=libevent, Accessible=libevent,select
        SSL Runtime: OpenSSL 1.1.1g FIPS  21 Apr 2020
        SSL Headers: OpenSSL 1.1.1g FIPS  21 Apr 2020
        Snappy: 1.1.8
        Tracing: SUPPORTED
        System: Linux-4.15.0-91-generic; x86_64
        CC: GNU 8.4.1; -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-strict-aliasing -ggdb3 -pthread
        CXX: GNU 8.4.1; -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-strict-aliasing -ggdb3 -pthread

      C SDK 3.3 Releases

      We always recommend using the latest version of the SDK — it contains all of the latest security patches and support for new and upcoming features. All patch releases for each dot minor release should be API compatible, and safe to upgrade; any changes to expected behavior are noted in the release notes that follow.

      Version 3.3.12 (2 March 2024)

      • CCBC-1636: The library was not deallocating the old packet after setting the collection ID field in the copy. mcreq_renew_packet() requires the caller to deallocate original copy, otherwise the memory will be only released by pipeline destructor. This has been addressed, and old packets are now deallocated when the collection ID is updated, freeing up memory.

      • CCBC-1634: Fixed the reporting of unresponsive nodes in lcb_ping().

        • No longer retrying NOOP commands, as they might be routed to different pipeline, instead fail fast NOOPs to reflect network issues more precisely.

        • Now using pipeline address as ping entry identifier instead of socket address, as socket may not exist (not connected), owing to network failures.

        • lcb_ping must still now report, even when overall status is not LCB_SUCCESS, so cbc-ping should still try to print report instead of just printing overall status code.

      • CCBC-1630: Check collection id before storing packet to pipeline. Every time check_collection_id() is invoked, the caller should ensure that this function potentially is rewriting the packet, if it decides to insert/update an encoded collection ID. This will help to avoid problems when running in mixed mode — during an upgrade rebalance from Server 6.6 to 7.2, for instance.

      • CCBC-1627: Fixed bodylen value when ffextlen (flexible frame extra length) is not zero.

      Downloads

      Platform

      Architecture

      File

      Checksums

      Any

      libcouchbase-3.3.12.sha256sum

      Source Archive

      Any

      libcouchbase-3.3.12.tar.gz

      Amazon Linux 2023

      x86_64

      libcouchbase-3.3.12_amzn2023_x86_64.tar

      Amazon Linux 2

      aarch64

      libcouchbase-3.3.12_amzn2_aarch64.tar

      Amazon Linux 2

      x86_64

      libcouchbase-3.3.12_amzn2_x86_64.tar

      Enterprise Linux 7

      x86_64

      libcouchbase-3.3.12_centos7_x86_64.tar

      Enterprise Linux 8

      x86_64

      libcouchbase-3.3.12_rhel8_x86_64.tar

      Enterprise Linux 9

      x86_64

      libcouchbase-3.3.12_rhel9_x86_64.tar

      Ubuntu 16.04 (xenial)

      x86_64

      libcouchbase-3.3.12_ubuntu1604_xenial_amd64.tar

      Ubuntu 18.04 (bionic)

      x86_64

      libcouchbase-3.3.12_ubuntu1804_bionic_amd64.tar

      Ubuntu 20.04 (focal)

      x86_64

      libcouchbase-3.3.12_ubuntu2004_focal_amd64.tar

      Ubuntu 22.04 (jammy)

      x86_64

      libcouchbase-3.3.12_ubuntu2204_jammy_amd64.tar

      Debian 9 (stretch)

      x86_64

      libcouchbase-3.3.12_debian9_stretch_amd64.tar

      Debian 10 (buster)

      x86_64

      libcouchbase-3.3.12_debian10_buster_amd64.tar

      Debian 11 (bullseye)

      x86_64

      libcouchbase-3.3.12_debian11_bullseye_amd64.tar

      Visual Studio 2015 (VC14)

      x86_64

      libcouchbase-3.3.12_vc14_amd64.zip

      Visual Studio 2017 (VC15)

      x86_64

      libcouchbase-3.3.12_vc15_amd64.zip

      Visual Studio 2019 (VC16)

      x86_64

      libcouchbase-3.3.12_vc16_amd64.zip

      Visual Studio 2015 TLS (VC14)

      x86_64

      libcouchbase-3.3.12_vc14_amd64_openssl.zip

      Visual Studio 2017 TLS (VC15)

      x86_64

      libcouchbase-3.3.12_vc15_amd64_openssl.zip

      Visual Studio 2019 TLS (VC16)

      x86_64

      libcouchbase-3.3.12_vc16_amd64_openssl.zip

      Version 3.3.11 (21 December 2023)

      • CCBC-1618: Updated query error codes for dynamic authenticator. This is an update to the internal interface, that allows more granular detection of stale authentication conditions for the Query Service.

      • Prevent full rebuild on every run of cmake. The SDK no longer renders the built timestamp into the header, but instead only uses it in the object file.

      Downloads

      Platform

      Architecture

      File

      Checksums

      Any

      libcouchbase-3.3.11.sha256sum

      Source Archive

      Any

      libcouchbase-3.3.11.tar.gz

      Amazon Linux 2023

      x86_64

      libcouchbase-3.3.11_amzn2023_x86_64.tar

      Amazon Linux 2

      aarch64

      libcouchbase-3.3.11_amzn2_aarch64.tar

      Amazon Linux 2

      x86_64

      libcouchbase-3.3.11_amzn2_x86_64.tar

      Enterprise Linux 7

      x86_64

      libcouchbase-3.3.11_centos7_x86_64.tar

      Enterprise Linux 8

      x86_64

      libcouchbase-3.3.11_rhel8_x86_64.tar

      Enterprise Linux 9

      x86_64

      libcouchbase-3.3.11_rhel9_x86_64.tar

      Ubuntu 16.04 (xenial)

      x86_64

      libcouchbase-3.3.11_ubuntu1604_xenial_amd64.tar

      Ubuntu 18.04 (bionic)

      x86_64

      libcouchbase-3.3.11_ubuntu1804_bionic_amd64.tar

      Ubuntu 20.04 (focal)

      x86_64

      libcouchbase-3.3.11_ubuntu2004_focal_amd64.tar

      Ubuntu 22.04 (jammy)

      x86_64

      libcouchbase-3.3.11_ubuntu2204_jammy_amd64.tar

      Debian 9 (stretch)

      x86_64

      libcouchbase-3.3.11_debian9_stretch_amd64.tar

      Debian 10 (buster)

      x86_64

      libcouchbase-3.3.11_debian10_buster_amd64.tar

      Debian 11 (bullseye)

      x86_64

      libcouchbase-3.3.11_debian11_bullseye_amd64.tar

      Visual Studio 2015 (VC14)

      x86_64

      libcouchbase-3.3.11_vc14_amd64.zip

      Visual Studio 2017 (VC15)

      x86_64

      libcouchbase-3.3.11_vc15_amd64.zip

      Visual Studio 2019 (VC16)

      x86_64

      libcouchbase-3.3.11_vc16_amd64.zip

      Visual Studio 2015 TLS (VC14)

      x86_64

      libcouchbase-3.3.11_vc14_amd64_openssl.zip

      Visual Studio 2017 TLS (VC15)

      x86_64

      libcouchbase-3.3.11_vc15_amd64_openssl.zip

      Visual Studio 2019 TLS (VC16)

      x86_64

      libcouchbase-3.3.11_vc16_amd64_openssl.zip

      Version 3.3.10 (10 October 2023)

      • CCBC-1616: A wait_for_config check is now applied for all pipelines. Previously, the lcb_wait function would wait for the pending configuration updates, but didn’t do it if the configuration update operation was being retried. Now, the operation also will not wait for pending configuration updates, rather it will return from lcb_wait as soon as the operation completes.

        • The old behaviour still works when wait_for_config=true is passed in the connection string (or LCB_CNTL_WAIT_FOR_CONFIG is set to non-zero value): in this case the library will wait for the configuration.

        • This setting does not affect the mode when the event loop is executed by the application, and without lcb_wait.

      Downloads

      Platform

      Architecture

      File

      Checksums

      Any

      libcouchbase-3.3.10.sha256sum

      Source Archive

      Any

      libcouchbase-3.3.10.tar.gz

      Amazon Linux 2023

      x86_64

      libcouchbase-3.3.10_amzn2023_x86_64.tar

      Amazon Linux 2

      aarch64

      libcouchbase-3.3.10_amzn2_aarch64.tar

      Amazon Linux 2

      x86_64

      libcouchbase-3.3.10_amzn2_x86_64.tar

      Enterprise Linux 7

      x86_64

      libcouchbase-3.3.10_centos7_x86_64.tar

      Enterprise Linux 8

      x86_64

      libcouchbase-3.3.10_rhel8_x86_64.tar

      Enterprise Linux 9

      x86_64

      libcouchbase-3.3.10_rhel9_x86_64.tar

      Ubuntu 16.04 (xenial)

      x86_64

      libcouchbase-3.3.10_ubuntu1604_xenial_amd64.tar

      Ubuntu 18.04 (bionic)

      x86_64

      libcouchbase-3.3.10_ubuntu1804_bionic_amd64.tar

      Ubuntu 20.04 (focal)

      x86_64

      libcouchbase-3.3.10_ubuntu2004_focal_amd64.tar

      Ubuntu 22.04 (jammy)

      x86_64

      libcouchbase-3.3.10_ubuntu2204_jammy_amd64.tar

      Debian 9 (stretch)

      x86_64

      libcouchbase-3.3.10_debian9_stretch_amd64.tar

      Debian 10 (buster)

      x86_64

      libcouchbase-3.3.10_debian10_buster_amd64.tar

      Debian 11 (bullseye)

      x86_64

      libcouchbase-3.3.10_debian11_bullseye_amd64.tar

      Visual Studio 2015 (VC14)

      x86_64

      libcouchbase-3.3.10_vc14_amd64.zip

      Visual Studio 2017 (VC15)

      x86_64

      libcouchbase-3.3.10_vc15_amd64.zip

      Visual Studio 2019 (VC16)

      x86_64

      libcouchbase-3.3.10_vc16_amd64.zip

      Visual Studio 2015 TLS (VC14)

      x86_64

      libcouchbase-3.3.10_vc14_amd64_openssl.zip

      Visual Studio 2017 TLS (VC15)

      x86_64

      libcouchbase-3.3.10_vc15_amd64_openssl.zip

      Visual Studio 2019 TLS (VC16)

      x86_64

      libcouchbase-3.3.10_vc16_amd64_openssl.zip

      Version 3.3.9 (22 September 2023)

      • CCBC-1608: Reduced the default timeout for idle HTTP connections to 1 second. The previous default (4.5 seconds) was too close to the 5-second server-side timeout, and could lead to spurious request failures.

      • CCBC-1615: Handle rate limit codes during bootstrap.

      • CCBC-1612: Improved recovery time during rebalance for upcoming Server releases. In faster failover mode:

        • The CCCP provider will not be throttleed.

        • In case of network errors the configuration will be refreshed, to speed up the recovery process during failover.

      • CCBC-1611: To handle 0x0d (ECONFIG_ONLY) status code — we now treat this status code as a signal to refresh the configuration. The new or failed over nodes are set into config-only mode, where all data operations will be failed with code 0x0d. It is possible that the SDK might be using stale configuration and send requests to the node that is not part of the cluster any more, so to work around this the library will update the configuration and retry the operation.

      • CCBC-1610: Fixed a memory issues when setting collection id in the cluster with mixed server versions, where some of the nodes do not support collections (such as in a swap rebalance upgrade).

      Downloads

      Platform

      Architecture

      File

      Checksums

      Any

      libcouchbase-3.3.9.sha256sum

      Source Archive

      Any

      libcouchbase-3.3.9.tar.gz

      Amazon Linux 2023

      x86_64

      libcouchbase-3.3.9_amzn2023_x86_64.tar

      Amazon Linux 2

      aarch64

      libcouchbase-3.3.9_amzn2_aarch64.tar

      Amazon Linux 2

      x86_64

      libcouchbase-3.3.9_amzn2_x86_64.tar

      Enterprise Linux 7

      x86_64

      libcouchbase-3.3.9_centos7_x86_64.tar

      Enterprise Linux 8

      x86_64

      libcouchbase-3.3.9_rhel8_x86_64.tar

      Enterprise Linux 9

      x86_64

      libcouchbase-3.3.9_rhel9_x86_64.tar

      Ubuntu 16.04 (xenial)

      x86_64

      libcouchbase-3.3.9_ubuntu1604_xenial_amd64.tar

      Ubuntu 18.04 (bionic)

      x86_64

      libcouchbase-3.3.9_ubuntu1804_bionic_amd64.tar

      Ubuntu 20.04 (focal)

      x86_64

      libcouchbase-3.3.9_ubuntu2004_focal_amd64.tar

      Ubuntu 22.04 (jammy)

      x86_64

      libcouchbase-3.3.9_ubuntu2204_jammy_amd64.tar

      Debian 9 (stretch)

      x86_64

      libcouchbase-3.3.9_debian9_stretch_amd64.tar

      Debian 10 (buster)

      x86_64

      libcouchbase-3.3.9_debian10_buster_amd64.tar

      Debian 11 (bullseye)

      x86_64

      libcouchbase-3.3.9_debian11_bullseye_amd64.tar

      Visual Studio 2015 (VC14)

      x86_64

      libcouchbase-3.3.9_vc14_amd64.zip

      Visual Studio 2017 (VC15)

      x86_64

      libcouchbase-3.3.9_vc15_amd64.zip

      Visual Studio 2019 (VC16)

      x86_64

      libcouchbase-3.3.9_vc16_amd64.zip

      Visual Studio 2015 TLS (VC14)

      x86_64

      libcouchbase-3.3.9_vc14_amd64_openssl.zip

      Visual Studio 2017 TLS (VC15)

      x86_64

      libcouchbase-3.3.9_vc15_amd64_openssl.zip

      Visual Studio 2019 TLS (VC16)

      x86_64

      libcouchbase-3.3.9_vc16_amd64_openssl.zip

      Version 3.3.8 (16 August 2023)

      • CCBC-1584: Updated documentation on how to use collections with pillowfight.

      • CCBC-1607: Fixed collection id encoding in mixed cluster, so that SDK will now work in a mixed environment of collection aware and non-collection aware Server nodes (e.g. 6.6 and 7.0 during an upgrade).

      • CCBC-1602: Implemented Faster Failover. This implements the set of protocol optimizations that help the SDK to save network traffic when tracking cluster topology. The feature will be only activated if the server supports it — which is planned for a future Server release.

      • CCBC-1603: Do not log if logger is not accessible in iotssl_log_errors.

      • CCBC-1599: Account NUL-byte when format IPv6 address (fixes potential invalid memory access).

      Downloads

      Platform

      Architecture

      File

      Checksums

      Any

      libcouchbase-3.3.8.sha256sum

      Source Archive

      Any

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      Version 3.3.7 (11 May 2023)

      • CCBC-1596: Replace unsafe sprintf with snprintf.

      • CCBC-1597: Update threading example, reduce global state.

        • Json::Reader uses static global variable, this patch replaces calls to it with Json::CharReaderBuilder, which is re-entrant.

        • Constants for tracing system defined as mutable static strings, this patch replaces it with const static strings.

        • Updated examples for thread-safe usage is updated to SDK3 API and added them to the build pipeline

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      libcouchbase-3.3.7_vc16_amd64_openssl.zip

      Version 3.3.6 (26 April 2023)

      • CCBC-1590: Always pick random node for HTTP services.

      It helps with certain edge cases, when the application might spawn a lot of processes, perform queries, so that first queries will be directed to the same node due to the absense of srand() call in the library.

      • CCBC-1592: Allow to generate more randomized bodies in pillowfight.

      By default cbc-pillowfight pre-generates only one document body per selected size. New option --random-body-pool-size allows to control how many documents will be generated (default is 100).

      This fixes behaviour in the corner case when --min-size equals --max-size and allow still have many random bodies in this case.

      • CCBC-1595: Fix building of the subdocument operation when --subdoc switch for pillowfight was used.

      • pillowfight: use separate exptime switch for GET.

      Do not share the same value of expiry for get operations. Also it does not turn GET into GET_WITH_TOUCH if the --get-expiry is not being used.

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      libcouchbase-3.3.6_vc16_amd64_openssl.zip

      Version 3.3.5 (9 March 2023)

      • CCBC-1545: Handle LCB_ERR_REQUEST_CANCELED in ping callback. If the instance is being destroyed, while the operations in flight, all these operations will be cancelled with error code LCB_ERR_REQUEST_CANCELED. Ping implementation should handle this error code and not assume any of the objects (except response) to be in a valid state.

      • CCBC-1586: Force SASL PLAIN for TLS connections.

      • CCBC-1589: Apply authenticator when passed to lcb_create.

      • CCBC-1585: Fix build for GCC 13.

      • CCBC-1587: Allow to disable uninstall target.

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      libcouchbase-3.3.5_vc16_amd64_openssl.zip

      Version 3.3.4 (8 February 2023)

      • CCBC-1583: Collections support is disabled in 3.x SDKs if the configuration does not have collections capabilities. Now, it is also disabled when a KV node does not negotiate collection support in HELLO flags. This should help with clusters in mixed mode (with both 6.x and 7.x Server versions) during an upgrade.

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      libcouchbase-3.3.4_vc16_amd64_openssl.zip

      Version 3.3.3 (9 September 2022)

      • CCBC-1565: load system CAs when the trust certificate is not provided

      When the user has not set any root ca provider but is using TLS then we should trust both the system store and the Capella root CA.

      • CCBC-1564: update error message for authentication failure

      • CCBC-1568: skip logging for closed SSL IO contexts

      OpenSSL might still invoke IO callbacks after the actual context has been closed. This more likely could happen with libuv-style IO.

      This patch ensures that once socket context has been closed, its pointer in SSL object will be erased.

      • Added cbc-bucket-list command to list all buckets.

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      libcouchbase-3.3.3_vc16_amd64_openssl.zip

      Version 3.3.2 (25 August 2022)

      Version 3.3.2 is the third release of the 3.3 series.

      Bug Fixes

      • CCBC-1559: cbc-n1qlback: give time to IO loop in case of failure.

      In scenarios where all query nodes suddenly fail over and/or are removed from the cluster, all requests in cbc-n1qlback will start failing. Because libcouchbase knows that the latest config does not have any query nodes, it rejects all queries immediately. The single-threaded nature of libcouchbase does not allow the IO loop to run in background, and the code in the tool does not run lcb_wait in case of failure.

      As a fix, we run lcb_tick_nowait in case of failure, which is enough for libcouchbase to give IO loop a chance to check for any pending events and invoke corresponding callbacks.

      Improvements

      • CCBC-1552: Libcouchbase may now be built with an external jsoncpp library.

      • CCBC-1557: Allow caching cluster-level configurations.

      The library will cache cluster-level configurations only if the config_cache= connection string option is set to directory (ends with '/' symbol), otherwise it will cache only buckets configurations (note that in this case the application should use unique cache name for each bucket, otherwise the library will ignore cache if the bucket name will not match).

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      libcouchbase-3.3.2_vc16_amd64.zip

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      libcouchbase-3.3.2_vc16_amd64_openssl.zip

      Version 3.3.1 (25 May 2022)

      Version 3.3.1 is the second release of the 3.3 series.

      CentOS 7 RPMs depend on OpenSSL 1.1, which is available in EPEL. Make sure that the epel-release package is installed in the system (yum install epel-release).

      Bug Fixes

      • CCBC-1550: Fixed RPM packages for CentOS 7, now they will require OpenSSL 1.1 during build. Also build script will not automatically define LCB_NO_SSL option if OpenSSL is not found. For builds without TLS support, this option must be explicitly defined.

      • CCBC-1546: cbc-pillowfight: add --rand-space-per-thread to allow threads to work from different rand numbers.

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      libcouchbase-3.3.1_vc16_amd64.zip

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      libcouchbase-3.3.1_vc14_amd64_openssl.zip

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      libcouchbase-3.3.1_vc16_amd64_openssl.zip

      Version 3.3.0 (9 May 2022)

      Version 3.3.0 is the first release of the 3.3 series.

      New Features

      • CCBC-1540: The SDK now bundles the Capella CA certificate automatically.

      Bug Fixes

      • CCBC-1538: The SDK now uses a 64-bit integer to store time in the IOCP plugin.

      • CCBC-1526: The SDK no longer validates the length of collection specifier. This will be checked on the server-side.

      • CCBC-1527: Fixed issue where Pillowfight was leaking a large number of memory allocations, which occured during startup. Pillowfight will now deallocate all memory during shutdown.

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      libcouchbase-3.3.0_vc14_amd64.zip

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      libcouchbase-3.3.0_vc15_amd64.zip

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      libcouchbase-3.3.0_vc16_amd64.zip

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      libcouchbase-3.3.0_vc16_amd64_openssl.zip

      C SDK 3.2 Releases

      Version 3.2.4 (26 November 2021)

      Version 3.2.4 is the fifth release of the 3.2 series.

      • CCBC-1522: Filter DnsQuery results on Windows by type: only use records with DNS_TYPE_SRV type.

      • CCBC-1521: Fixed bootstrap process when client certificate is used. We always pipeline error map request with HELLO request, and usually await for hello+error_map responses, because after that goes SASL authentication (and then optional selection of the bucket) which cannot be completely pipelined. But in case of client certificate, we might terminate bootstrap process too early if the bootstrap process does not require immediate selection of the bucket.

      • CCBC-1432 Support for rate limiting error codes: LCB_ERR_RATE_LIMITED and LCB_ERR_QUOTA_LIMITED.

      • CCBC-1514: Do not translate unknown error with "item-only" attribute into LCB_ERR_CAS_MISMATCH.

      • CCBC-1515: Performance optimization: replace sstream with string append(). Only if list of IO vectors supplied for value in mutation operations.

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      Version 3.2.3 (20 October 2021)

      Version 3.2.3 is the fourth release of the 3.2 series.

      • CCBC-1484: Fixed tracing tags in accordance to RFC.

      • CCBC-1510: Fixed key length calculation for exists/get/touch/unlock.

      • CCBC-1495: Fixed payload encoding in query index management helpers. Query index management helpers now explicitly declared deperecated.

      • CCBC-1506: Duration values now accepted golang style encoding. Connection string and lcb_cntl_string now can parse strings with duration encoded in golang style, e.g. analytics_timeout=5s42us. The result still converted into 32-bit value with microsecond resolution.

      • Improved test coverage, stability and documentation.

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      Version 3.2.2 (23 September 2021)

      Version 3.2.2 is the third release of the 3.2 series.

      • CCBC-1485: Allow disabling tracer for connected instance.

      • CCBC-1472: Fix handling in case of invalid responses by ensuring strict JSON parsing mode for query meta.

      • CCBC-1494: Disconnect logger after lcb_destroy invoked to avoid double free errors for some IO backends.

      • CCBC-1457: Improve error message when server enforces TLS encryption

      • CCBC-1489: Fixed get_and_touch to use the correct expiry.

      • CCBC-1487: Fixed issue with completion IO where retryq erased already sent packets.

      • CCBC-1488: Fixed incorrect refcounting in Connstart, where an error state followed by cancellation caused an error.

      • CCBC-1479: Initialize fields of custom tracer struct, fixing issues during destruction.

      • CCBC-1478: Fix issue where successful query returning no results triggered retry when run readonly, resulting in a timeout error.

      • CCBC-1216: Implement user impersonation API, for use-cases where SDK performs work on behalf of an application.

      • Improved test coverage and stability.

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      Version 3.2.1 (20 August 2021)

      Version 3.2.1 is the second release of the 3.2 series.

      • CCBC-1429: Fixed positional parameters for query/analtyics:

        • Reverts behaviour lcb_cmdquery_positional_param and lcb_cmdanalytics_positional_param to append single JSON-encoded value to arguments array.

        • Introduces new functions — lcb_cmdquery_positional_params and lcb_cmdanalytics_positional_params — that accept all positional arguments at once as JSON-encoded array.

        • Document that old functions will emit compiler warning from 3.3.0 release, and will be removed later.

      • CCBC-1428: Clear callback upon error in lcb_search.

      • CCBC-1454: Fixed compiler warning in lcb_getreplica.

      • CCBC-1453: Refactored local name caching in lcbio_cache_local_name to simplify the code and eliminate compiler warnings.

      • CCBC-1451: Fixed strdup usage, in some cases the compiler might choose strdup to return int instead of char * which might lead to memory issues.

      • CCBC-1448: Fixed cmake macro for examples. The macro ADD_EXAMPLE now correctly updates header directories for generated target.

      • CCBC-1445: Always invoke callbacks for pending HTTP operations. When destroying lcb_INSTANCE make sure that all HTTP requests (views, query, search, analytics) will have their callbacks invoked.

      • CCBC-1438: Fixed frame size for mutations with durability. Counter, Store and Subdoc mutations were sending incorrect frame size of durability encoding, which led to rejection of the command by the server.

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      Version 3.2.0 (20 July 2021)

      Version 3.2.0 is the first release of the 3.2 series.

      • CCBC-1395: We no longer expose LCB_ERR_BUCKET_NOT_FOUND in operation callbacks. Instead, the operation is automatically retried until timeout.

      • CBCC-1280: Support for OpenTelemetry tracing.

          Tracing updated to allow for an external tracer that creates and finishes spans, adds tags, destroys spans.  Also,
        spans now have the notion of being the 'outer' span.  That is the span that has all the outer span tags, and is the one
        whose duration is used to determine whether or not the operation has exceeded the threshold if the
        ThresholdLoggingTracer is used.
          If you pass in a parent that is an outer span, you must call `lcbtrace_span_finish` yourself. When an operation
        begins, if there is no parent span passed in, or if there is but it isn't an 'outer' span, then the operation creates
        the outer span itself.
        See `/examples/tracing/otel_tracing.cc` for an example.
      • CCBC-1362: Support for metrics.

          When enabled, by default will output a histogram of latencies for various kv operations plus query, search, analytics
        and view queries.
          If desired, an external metrics collector can be passed in when the instance is created, which will then be called
        with latencies for each operation.  This can be used to call into an opentelemetry meter for aggregation and export.
        See `/examples/metrics/otel_metrics.cc` for an example.
      • CCBC-1421: Allow empty path for subdocument array methods.

      • CCBC-1417: Deprecate CAS usage with counter operation.

      • CCBC-1418: Map query error 13014 to LCB_ERR_AUTHENTICATION_FAILURE.

      • CCBC-1357: Allow to preserve expiration with Replace, Upsert and MutateIn operations.

      • CCBC-1384: Allow the operations to be deferred until the instance will be connected to cluster.

      • CCBC-1410: Refactor dynamic authenticator. NOTE: this API still volatile and might be changed in future.

        In order to improve UX and allow caller to implement credential caching the API for authenticator was revised:
      • instead of separate callbacks for username/password, now it uses single callback

      • in the callback, the caller can figure out the reason of credentials request using lcbauth_credentials_reason()

      • the caller can signal that it failed to retrieve credentials from external provider, and set result with lcbauth_credentials_result(). In this case the SDK will not retry the operation.

      • CCBC-1413: Skip SELECT_BUCKET packets waiting retry queue.

      • CCBC-1169: Request copy from active vbucket for get_all_replicas operation.

      • CCBC-1406: Fill in prepared statement handle on retry.

      • CCBC-1405: Remove const from command cookie.

      • CCBC-1402: Fix parsing JSON primitives as query rows.

      • Various improvements and fixes in test and build infrastructure

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      C SDK 3.1 Releases

      Version 3.1.3 (10 May 2021)

      Version 3.1.3 is the fourth release of the 3.1 series.

      • CCBC-1395: We no longer expose LCB_ERR_BUCKET_NOT_FOUND in operation callbacks. Instead, the operation is automatically retried until timeout.

      • CCBC-1398: Parse and use revEpoch from configuration in order to allow the server to handle special cases of failover scenarios.

      • CCBC-1399: Implement retry backoff for query requests. Instead of retrying requests immediately, use backoff period returned by retry strategy.

      • CCBC-1400: Fill collection name when retrying collection resolution to avoid misrouting requests to default collection.

      • CCBC-1397: Reset list of "used" nodes when retrying query to allow reusing endpoints.

      • CCBC-1401: Fix special error message detection for Query requests. In addition to reacting on the error codes from query service, the library also scans error messages for particular sub-strings to decide whether retry is necessary.

      • CCBC-861: Purge pipelines on lcb_destroy. In order to avoid resource leaks, the library purges all pending (or waiting) commands from the pipelines upon destruction.

      • Fix cbc-proxy tool.

      • Upgrade snappy to 1.1.8

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      Version 3.1.2 (26 April 2021)

      Version 3.1.2 is the third release of the 3.1 series.

      • CCBC-1395: We no longer expose LCB_ERR_BUCKET_NOT_FOUND in operation callbacks. Instead, the operation is automatically retried until timeout.

      • CCBC-1373: Do not send collection in the key. Sending collection specification in both key and body breaks protocol, and the server will close the socket.

      • CCBC-1396: Fix recalculaton of key length for alternative packets.

      • CCBC-1395: Parse configuration revision as int64_t.

      • MB-45759: Allow building libcouchbase with external Snappy.

      • CCBC-1330: Detect unknown collection during "populate" phase of cbc-pillowfight.

      • CCBC-1386: Remove legacy options for cbc-bucket-create.

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      Version 3.1.1 (9 April 2021)

      Version 3.1.1 is the second release of the 3.1 series.

      • CCBC-1382: Return LCB_ERR_CAS_MISMATCH for operations with with REPLACE semantics instead of LCB_ERR_DOCUMENT_EXISTS.

      • CCBC-1389: Fixed default collection parsing.

      • CCBC-1383: Fixed protocol magic for durable remove. When durability level provided, the remove command should use "alternative request" as protocol magic byte.

      • CCBC-1381: Protocol changes for PROTOCOL_BINARY_CMD_COLLECTIONS_GET_CID (0xbb). The server now expects collection specification passed as a command value during collection ID resolution.

      • CCBC-1385: Restrict cases when Query error code 12009 is converted to LCB_ERR_CAS_MISMATCH. Now it returned only in cases where concurrency problem detected by query engine. Otherwise LCB_ERR_DML_FAILURE will be used.

      • CCBC-1373: Return LCB_ERR_TIMEOUT if the library is not able to resolve collection identifier. Previously either LCB_ERR_COLLECTION_NOT_FOUND or LCB_ERR_SCOPE_NOT_FOUND might be returned.

      • CCBC-1109: When dynamic authenticator is being used, the library will retry Query on error code 13014 (datastore.couchbase.insufficient_credentials).

      • CCBC-1392: Query commands now invoke retry strategy hook to make decision about retrying.

      • CCBC-1379: Error map could be disabled now using LCB_CNTL_ENABLE_ERRMAP or in the connection string with enable_errmap=false.

      • CCBC-1269: Expose setting for N1QL grace period. This is a port of CCBC-1122. The example below will add extra 100ms to each N1QL query:

        lcb_cntl_setu32(instance, LCB_CNTL_QUERY_GRACE_PERIOD, 100000);

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      Version 3.1.0 (3 March 2021)

      Version 3.1.0 is the first release of the 3.1 series.

      • CCBC-1376: Propagate scope qualifier to prepared query statements.

      • CCBC-1283: Added analytics support for scopes.

      • CCBC-1374: Reintroduce input error classification macro.

      • CCBC-1375: Translate query errors when scope/collection missing.

      • CCBC-1366: Do not cache bucket-less configurations.

      • CCBC-1363: Allow using parent project’s hdr_histogram_static target.

      • CCBC-1361: Allow "_default._default" collection for pre-collections servers.

      • MB-42884: Correctly define FILEVERSION for libcouchbase.dll.

      • CCBC-1351: Option to render cbc-ping output as a table.

      • CCBC-1323: Return LCB_ERR_DOCUMENT_EXISTS only for insert operation.

      • CCBC-1346: Return LCB_ERR_DOCUMENT_LOCKED for locked documents.

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      libcouchbase-3.1.0_ubuntu1604_xenial_amd64.tar

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      libcouchbase-3.1.0_vc14_amd64.zip

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      libcouchbase-3.1.0_vc16_amd64.zip

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      libcouchbase-3.1.0_vc16_amd64_openssl.zip

      C SDK 3.0 Releases

      Version 3.0.7 (16 December 2020)

      Version 3.0.7 is the eighth release of the 3.0 series, bringing enhancements and bugfixes over the last stable release.

      • CCBC-1350: Implemented an option for cbc-n1qlback to control prepared/adhoc switch.

      • CCBC-1345: Ensure all KV sockets select bucket on lcb_open.

      • CCBC-1348: Bucket name now included in diag report.

      • CCBC-1308: Defined FATAL and TRANSIENT classes for errors. Also defines corresponding macros for easy access LCB_ERROR_IS_TRANSIENT and LCB_ERROR_IS_FATAL.

      • CCBC-1342: Check if collections supported by server before using them. Specifying a non-default collection on an operation against servers which do not support collections will now return a FeatureNotSupported error.

      • CCBC-1334: Preserve status of KV protocol response for retry queue.

      • CCBC-1339: Do not relocate get with replica on failover. The library should not relocate replica reads when new configuration applied.

      • CCBC-1344: Consume response after retried command to avoid logging the command as "timed out".

      • CCBC-1343: Do not schedule NotMyVbucket immediately by default and use retry strategy instead.

      • CCBC-1335: Fixed next timeout computation on requesting config using operation_timeout instead of config_node_timeout.

      • CCBC-1337: Expose setting for to control default search timeout.

      • CCBC-1331: Fixed error at bootstrap callback, now it returns original error code, that caused the bootstrap failure.

      • CCBC-1333: Allow setting lcb_cmdget_locktime to zero to use server default time.

      • CCBC-1324: Defined HTTP type for Eventing management.

      • Retry operations when the node is not ready.

      • Report LCB_ERR_BUCKET_NOT_FOUND if Key/Value service is not configured.

      • Update error codes for Query. Translate code 4300 to LCB_ERR_PLANNING_FAILURE and 5000 to LCB_ERR_INTERNAL_SERVER_FAILURE by default.

      • Fix collection validation, it should pass empty string as valid collection specification element.

      • Remove verbosity and mcversions commands. These parts of API are non-standard and volatile.

      • Bundle HdrHistogram_c v0.11.2 and allow to fall back to it.

      Downloads

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      libcouchbase-3.0.7_ubuntu1604_xenial_amd64.tar

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      libcouchbase-3.0.7_ubuntu1804_bionic_amd64.tar

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      libcouchbase-3.0.7_vc14_amd64.zip

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      libcouchbase-3.0.7_vc15_amd64.zip

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      x64

      libcouchbase-3.0.7_vc16_amd64.zip

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      x64

      libcouchbase-3.0.7_vc14_amd64_openssl.zip

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      x64

      libcouchbase-3.0.7_vc15_amd64_openssl.zip

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      libcouchbase-3.0.7_vc16_amd64_openssl.zip

      Version 3.0.6 (21 October 2020)

      Version 3.0.6 is the seventh release of the 3.0 series, bringing enhancements and bugfixes over the last stable release.

      • CCBC-1311: Implemented create_as_deleted subdoc feature.

      • CCBC-1263: Updated ping to report Analytics as Analytics Service instead of Query.

      • CCBC-1175: Allow to specify timeout for lcb_ping.

      • CCBC-1262: Added accessor for report_id in ping report.

      • CCBC-1176: Renamed "scope" to "namespace" in ping report (also deprecated lcb_respping_result_scope in favour to lcb_respping_result_namespace).

      • CCBC-1261: Set namespace length of service in ping report to zero if not applicable.

      • CCBC-1194: Added extra checks for socket state in lcb_diag to avoid invalid access issues.

      • CCBC-1314: Extra checks for socket state in lcb_ping to avoid invalid access issues.

      • CCBC-1316: Fixed two-step bootstrap (lcb_connect + lcb_open) for memcached bucket.

      Downloads

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      libcouchbase-3.0.6_ubuntu1604_xenial_amd64.tar

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      libcouchbase-3.0.6_vc14_amd64.zip

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      libcouchbase-3.0.6_vc15_amd64.zip

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      libcouchbase-3.0.6_vc14_amd64_openssl.zip

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      libcouchbase-3.0.6_vc15_amd64_openssl.zip

      Version 3.0.5 (21 September 2020)

      Version 3.0.5 is the sixth release of the 3.0 series, bringing enhancements and bugfixes over the last stable release.

      • CCBC-1307: The SDK now allows the selection of any mechanisms for SASL regardless of the network protocol being usedm although by default the SDK will try to avoid downgrading to PLAIN on non-TLS connections. Also the change allows users to specify a list of preferred mechanisms instead of only one (through the use of a comma in the value of the sasl_mech_force connection string option).

      • CCBC-1276: Addded flex (FTS) index usage to query options.

      • CCBC-1312: Fixed return values for lcb_cmdquery_scope_*.

      • CCBC-1313: Replaced std::random_shuffle with std::shuffle. fixing build of cbc-n1qlback tool.

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      Version 3.0.4 (26 August 2020)

      Version 3.0.4 is the fifth release of the 3.0 series, bringing enhancements and bugfixes over the last stable release.

      • CCBC-1281: Implemented scope qualifier for queries.

      • CCBC-1301: Expose cmake option to help dissect TLS traffic.

      • Detect configuration change when replica indexes changed.

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      x64

      libcouchbase-3.0.4_vc14_amd64_openssl.zip

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      x64

      libcouchbase-3.0.4_vc15_amd64_openssl.zip

      Version 3.0.3 (27 July 2020)

      Version 3.0.3 is the fourth release of the 3.0 series, bringing enhancements and bugfixes over the last stable release.

      • Binary packages for Ubuntu 20.04 LTS (Focal Fossa)

      • CCBC-1265: Enabled out of order execution by default.

      • CCBC-1189: The SDK now validate collection and scope names early. The library will return an error if the collection name is not valid, without sending a command to the server.

      • CCBC-1278: Fixed stripping payload over TLS connection. The library might propagate zero return code from recv() even when previous calls of recv() successfully transferred bytes to SSL context. In this case we might lose these trailing bytes and just close the socket.

      • CCBC-1264: Fixed calculating key size when durability level specified.

      • CCBC-1258: Fixed port order in vbucket diff info message.

      • CCBC-1274: Fixed pointer casting in HTTP callback of cbc tool.

      • CCBC-1167: Fixed tests build on MacOS.

      • CCBC-1248: The SDK will now always request error map feature and send HELLO message to speedup bootstrap.

      • Implemented tick for IOCP plugin on Windows.

      • Improved build on Windows (fixed static build, and PDB installation).

      • Fixed collections issues for future server release.

      Downloads

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      libcouchbase-3.0.3.sha256sum

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      libcouchbase-3.0.3_ubuntu1604_xenial_amd64.tar

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      libcouchbase-3.0.3_debian10_buster_amd64.tar

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      libcouchbase-3.0.3_vc14_amd64.zip

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      x64

      libcouchbase-3.0.3_vc15_amd64.zip

      Visual Studio 2017 TLS (VC15)

      x64

      libcouchbase-3.0.3_vc15_amd64_openssl.zip

      Version 3.0.2 (10 June 2020)

      Version 3.0.2 is the third release of the 3.0 series, bringing enhancements and bugfixes over the last stable release.

      • CCBC-1200: LCB will now retry bootstrap on missing bucket error until timeout. Bootstrap timeout is controlled by "config_total_timeout" in connection string or LCB_CNTL_CONFIGURATION_TIMEOUT.

      • CCBC-1190: When performing an operation immediately after bucket creation, the server returns TMPFAIL and libcouchbase bubbled this up rather than restarting. Now fixed so LCB automatic retries for temporary failures from the server.

      • CCBC-1158: Reduced retrying on unknown collection to a sensible level.

      • CCBC-1254: It’s now possible to use a separate option for default timeout of Analytics queries (connection string "analytics_timeout").

      • CCBC-1178: It is now no longer possible to (illigally) set CAS for upsert and insert operations.

      • CCBC-1156: Fixed enum value for analytics type of HTTP request.

      • CCBC-1251: No longer log error when using GCCCP on pre-6.5 Couchbase Server.

      • CCBC-1234: Fixed SRV resolution to work with large record sizes.

      • CCBC-1222: Tracing thresholds for query and search fixed in connection strings: tracing_threshold_search and tracing_threshold_query.

      • CCBC-1187: lcb_respexists_is_found can no longer return true for deleted documents.

      • CCBC-1233: Updated RTO to independently specify operation_name.

      • CCBC-1205: Do not include trailing zero for endpoint length for KV context.

      • CCBC-1215: Fixed segfault in exists calls.

      • CCBC-1218: Fixed intermittent segfault in client durable store.

      • Documentation issues addressed (CCBC-1240, CCBC-1241, CCBC-1243, CCBC-1245)

      Downloads

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      libcouchbase-3.0.2_ubuntu1604_xenial_amd64.tar

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      libcouchbase-3.0.2_ubuntu1804_bionic_amd64.tar

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      libcouchbase-3.0.2_vc14_amd64.zip

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      libcouchbase-3.0.2_vc15_amd64.zip

      Visual Studio 2017 TLS (VC15)

      x64

      libcouchbase-3.0.2_vc15_amd64_openssl.zip

      Version 3.0.1 (8 April 2020)

      Version 3.0.1 is the second release of the 3.0 series, bringing enhancements and bugfixes over the last stable release.

      Fixed Issues

      • CCBC-1188: cbc-pillowfight: fixed --collection switch.

      • CCBC-1173: Fixed exporting lcb_cmdquery_consistency_token_for_keyspace.

      • CCBC-1168: Exposed max_parallelism for query.

      • CCBC-1171: Exposed profile option for query.

      • CCBC-1170: Exposed scan_wait option for query.

      • CCBC-1159: Fixed error codes for Management API.

      • MB-37768: Fixed issue where `CMAKE_INSTALL_RPATH`was overriden, affecting cbc tools.

      • CCBC-1208: Added a fail-fast retry strategy.

      • CCBC-1209: Renamed functions of embedded http_parser to avoid name clash.

      • Removed use of deprecated function std::random_shuffle. std::random_shuffle is deprecated in C14, removed in C17. Replaced with std::shuffle.

      • Fixed several issues reported by coverity.

      Known Issues

      • Attempting to install libcouchbase via homebrew on OS X prior to June 8th, 2020 would result in libcouchbase 2.10 being installed instead of 3.0.

      Downloads

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      libcouchbase-3.0.1_centos8_x86_64.tar

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      libcouchbase-3.0.1_ubuntu1604_xenial_amd64.tar

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      libcouchbase-3.0.1_ubuntu1804_bionic_amd64.tar

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      libcouchbase-3.0.1_debian9_stretch_amd64.tar

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      libcouchbase-3.0.1_debian10_buster_amd64.tar

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      libcouchbase-3.0.1_vc14_amd64.zip

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      libcouchbase-3.0.1_vc15_amd64.zip

      Visual Studio 2017 TLS (VC15)

      x64

      libcouchbase-3.0.1_vc15_amd64_openssl.zip

      Version 3.0.0 (17 January 2020)

      This is the first GA release of the third generation C SDK.

      Fixed Issues

      • CCBC-1152: Enabled SCRAM-SHA* SASL by default.

      • CCBC-1153: Renamed lcb_wait3 to lcb_wait.

      • CCBC-1147: Return LCB_SUCCESS for lcb_exists when the document is missing. lcb_respexists_is_found should be used on its response object to check the presense of the document.

      • CCBC-1152: Do not allow to use SASL PLAIN on non-TLS connections. Compiling libcouchbase with OpenSSL is strongly recommended.

      • CCBC-1032: Use operation node to resolve collection and return timeout when collection cannot be resolved

      • Added shortcut for query options to request metrics

      • Do not fallback to single subdocument API when only one specification passed to lcb_subdoc.

      • CCBC-1137: Allow to retrieve error context for HTTP response (lcb_http API).

      • CCBC-1145: Expose endpoints in error context.

      • CCBC-1146: Expose user-cookie in retry handler.

      • CCBC-1148: Added NULL checks for enhanced error info.

      • CCBC-1075: Renamed "FTS" to "SEARCH" in the APIs.

      • CCBC-1073: Renamed "N1QL" to "QUERY" in the APIs.

      • Fixed bucketless bootstrap for Server 6.0.

      • Fixed various memory leaks. Improved build, testing and packaging systems.

      Known Issues

      • Attempting to install libcouchbase via homebrew on OS X prior to June 8th, 2020 would result in libcouchbase 2.10 being installed instead of 3.0.

      Downloads

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      libcouchbase-3.0.0.tar.gz

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      libcouchbase-3.0.0_centos8_x86_64.tar

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      libcouchbase-3.0.0_ubuntu1604_xenial_amd64.tar

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      libcouchbase-3.0.0_vc16_amd64.zip

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      x64

      libcouchbase-3.0.0_vc15_amd64_openssl.zip

      Pre-releases

      Numerous Alpha and Beta releases were made in the run-up to the 3.0 release, and although unsupported, the release notes and download links are retained for archive purposes here.

      Older Releases

      Although no longer supported, documentation for older releases continues to be available in our docs archive.