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Release Notes

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    2.7.4 — October, 2020

    Fixed at this Release

    • CBG-1121 User name was not being logged for initial HTTP request

    • CBG-1093 Running compact when UseViews=true causes an infinite loop

    • CBG-1003 Remove replication stats from sg-replicate1 checkpoint hash

    • CBG-885 Align channels query ORDER BY with index

    • CBG-884 Generate empty delta as {} instead of null

    Known issues

    • CBG-1127 — Treat resurrected tombstones as non-conflict when no shared history

    • CBG-798 — Sync Gateway requires Couchbase Server nodes to use the same SSL memcached port

    2.7.3 — May, 2020

    Fixed at this Release

    CBG-816 — Bump gocbconnstr dependency to uptake SRV support

    Update Sync Gateway references to pick-up the latest version of gocbconnstr, to ensure connection to servers using SRV records.

    2.7.2 — March, 2020

    Fixed at this Release

    • CBG-741 403 Attachment’s doc not being synced during CBL replication

    • CBG-744 OldDoc body in sync function for tombstone resurrections does not contain _deleted=true

    • CBG-661 Errors from REST API produce invalid JSON

    • CBG-743 Doc body in sync function contains _deleted=false

    2.7.1 — February, 2020

    Fixed at this Release

    • CBG-727 Panic when connecting to non-standard memcached port using couchbase(s):// scheme

    • CBG-695 Alternate addresses are always used if defined instead of applying heuristic

    Known issues

    • CBG-661 Errors from REST API produce invalid JSON

    2.7.0 — January, 2020

    Config Changes

    • Removed options (previously deprecated)

      • maxCouchbaseConnections

      • maxCouchbaseOverflow

      • Sync Gateway Accelerator options:

        • skip_runmode_validation

        • runmode

        • channel_index

        • channel_index.writer

        • channel_index.num_shards

        • channel_index.seq_hashing

        • channel_index.seq_hashing.expiry

        • channel_index.seq_hashing.hash_frequency

        • channel_index.tombstone_compact_freq

      • Bucket Shadowing options:

        • shadow

        • shadow.doc_id_regex

        • shadow.feed_type

        • deprecated.shadow

        • deprecated.shadow.doc_id_regex

        • deprecated.shadow.feed_type

    • New and Changed options

      • db.import_partitions - Controls the number of partitions for import sharding (see databases.$db.import_partitions)

      • The default behavior of db.import_docs has changed (see databases.$db.import_docs).

        This will provide the flexibility for "import heavy" use case users to be able to isolate the import nodes from the internet/client-facing nodes

    Enhancements

    • Sync Gateway now supports CentOS8 and RHEL8

    • CBG-584 SyncGateway now supports scenarios where alternate addresses are provided on Couchbase Server.

    For more information on using alternate addresses — see Couchbase Server’s Alternate Addresses documentation.

    Known issues

    • CBG-661 Errors from REST API produce invalid JSON

    • CBG-695 Alternate addresses are always used if defined instead of applying heuristic

    Fixed at this Release

    • CBG-620 Concurrent attempts to create indexes trigger SG restart

    • CBG-583 Skip-deleted-docs optimization never enabled in pull replication

    • CBG-549 sgcollect should pick up stderr output on all platforms

    • CBG-522 DocumentChanged webhook sending incorrect revision

    • CBG-520 Initialization race for channel cache validFrom

    • CBG-514 Running sgcollect_info on command with root privileges is overriding bin/sync_gateway file on MacOS

    • CBG-502 x.509 broken due to deprecated CertificateAuthenticator

    • CBG-500 Sync Gateway not handling graceful failover correctly

    • CBG-463 Potential feedback loop when replicating large attachments

    • CBG-439 Investigate incorrect CPU usage stats

    • CBG-427 sgcollect_info tool failed to collect log when SG_SSL is enabled

    • CBG-394 Upgrade to shared_bucket_access with GSI can cause missed mutations

    • CBG-317 network errors while getting bulk get with multi channel with server ssl enabled

    • CBG-669 Potential deadlock in sequenceAllocator

    2.6.1

    Fixed at this Release

    • CBG-530 New attachment metadata not preserved on CAS retry during document update

    • CBG-514 running sgcollect_info on command with root privileges is overriding bin/sync_gateway file on MacOS

    • CBG-502 x.509 broken due to deprecated CertificateAuthenticator

    Known issues

    • CBG-463 Potential feedback loop when replicating large attachments

    • CBG-669 Potential deadlock in sequenceAllocator

    2.6.0

    Deprecated Configs

    • The following configuration properties are being deprecated in this release and will be removed in a future release:

      • adminUI

      • configServer

      • databases.$db.feed_type

      • pretty

      • profileInterface

      • log (superseded by logging)

      • logFilePath (superseded by logging.log_file_path)

    • The walrus value on the databases.$db.bucket property is being deprecated. Sync Gateway instances using walrus for development should connect to a running instance of Couchbase Server.

    New Features

    Enhancements

    • CBG-260 Add configurable minimum TLS version

    • CBG-220 Limit total size of rotated logs

    • CBG-222 Set default value of revs_limit to 100, and 50 if allow_conflicts: false.

    Fixed at this Release

    • CBG-449 _removed entry not sent with delta sync

    • CBG-370 Sync gateway fails to start

    • CBG-364 Odd SG Installation errors

    • CBG-363 Return HTTP 413 when server rejects document due to size

    • CBG-362 Inconsistent handling between views and N1QL for tombstone removals

    • CBG-357 GoCB Bucket Incr amt=0 logic not taking 'def' into account

    • CBG-342 GoCB Bucket Incr amt=0 logic not handling errors correctly

    • CBG-324 Blip messages double-tagging user for redaction

    • CBG-321 Improve sg-replicate logging integration

    • CBG-309 Don’t log expected REST errors to sg_error.log

    • CBG-306 Avoid panics as an error handling mechanism

    • CBG-288 Investigate TestN1qlQuery failures

    • CBG-286 SUBDOC operation attempted when server doesn’t support them

    • CBG-284 Retry loops for bucket update ops have no backoff and no max retry count

    • CBG-280 Syncgateway doesn’t import all documents while importing 50M docs ( build 2.1.3-4)

    • CBG-279 go-blip leaks nextFrameToSend goroutine under aborted multi-frame send

    • CBG-265 Post Upgrade fails to remove 2.0 era design docs

    • CBG-264 Post Upgrade "fails" in a cluster with no query nodes

    • CBG-253 Unused bulk_docs reserved sequences may not be released

    • CBG-225 Unresponsive REST API on startup

    • CBG-221 Admin/User views cannot handle both xattr and non-xattr simultaneously

    • CBG-189 Compact() shouldn’t trigger import errors

    • CBG-159 CouchbaseServerVersion should use clusterCompatibility version

    Known issues

    • CBG-463 Potential feedback loop when replicating large attachments

    • CBG-502 x.509 certificate authentication broken due to deprecated CertificateAuthenticator

    • CBG-669 Potential deadlock in sequenceAllocator