Release Notes

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.

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

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

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

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

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