3.6 Changelog

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3.6.19 Changelog

Sharding

SERVER-46487 The mongos routing for scatter/gather ops can have unbounded latency
SERVER-47913 Redact sharding messages in split chunk and distributed lock acquisition

Replication

SERVER-45610 Some reads work while system is RECOVERING
SERVER-47695 Write commands run by threads that can survive rollback can fail operationTime invariant in ServiceEntryPoint

Query

SERVER-40805 Indicate the reason for replanning in the log file
SERVER-47994 Fix for numerical overflow in GeoHash

Storage

SERVER-46398 Suggest explicit dbpath when starting mongod on macOS and the default dbpath isn’t found

Operations

SERVER-45295 Make sure that LDAP logs always contain context on AuthZN operation

Build and Packaging

SERVER-42042 Warn or fail early on dynamic builds with toolchain compiler and tcmalloc
SERVER-48640 Update RHEL 6.2 AMI for package tests
SERVER-48659 Update SLES 12 AMI for package tests
SERVER-48681 Update Debian 8.1 AMI for package tests

Internals

SERVER-45367 When the Range Deleter is waiting for the open cursors, list these cursors in the logs.
SERVER-45508 Invariant failure in getFieldsWithStringBounds with descending point ranges
SERVER-47256 Update listed maintainer for repo package files
SERVER-47686 Upgrade static OpenSSL to 1.1.1g
SERVER-47798 Audit isMaster response validation for mongod and mongos
SERVER-48032 Update references of community mailing-lists to MongoDB Developer Community Forums
SERVER-48657 Use evergreen module to control signal processing in perf projects
SERVER-49142 Validate correct field name in RoleName::parseFromBSON()
SERVER-49335 publish_packages should use barque API key
WT-5119 Birthmark records can be read as normal updates if reads race with checkpoints
WT-5150 LAS sweep is not removing the entries that are no longer required
WT-5196 Data mismatch failures with test/checkpoint after enabling LAS sweep
WT-5376 WT_UPDATE.type field can race with visibility checks when returning key/value pairs
WT-5587 Limit how many checkpoints are dropped by a subsequent checkpoint

3.6.18 Changelog

Security

SERVER-46834 Use monotonic time in UserCacheInvalidator

Sharding

SERVER-29153 Make sure replica set nodes agree on which node is primary before doing writes in ShardingTest initialization
SERVER-33597 Make allow_partial_results.js, return_partial_shards_down.js start shards as replica sets
SERVER-44130 Flip order of assert.lte arguments in logical_time_metadata.js
SERVER-45770 Add to information contained in logfile about “moveChunk.to”
SERVER-46466 Race with findAndModify retryable write and session migration

Replication

SERVER-35050 Don’t abort collection clone due to negative document count
SERVER-35437 Wait for secondary state after stepdown command in multi_rs.js
SERVER-45178 Rollback via refetch can cause rollback to happen successfully w/o updating the rollback id.

Query

SERVER-32903 Ambiguous field name error should be ignored during initial sync
SERVER-45363 Issue with mongodb text indexes and weights when using wildcard specifier

Aggregation

SERVER-45418 DocumentSourceCursor batching memory accounting does not account for empty documents, leads to unbounded memory use for count-like aggregates

Storage

SERVER-45289 Conditional jump or move depends on uninitialised value(s) in validate_adaptor.cpp

Operations

SERVER-34199 “timing” section of serverStatus can have large impact on ftdc retention
SERVER-46024 Collect /proc/vmstat swap statistics in FTDC

Build and Packaging

SERVER-45713 Run rhel7 push and publish tasks on large rhel70 distro
SERVER-45732 Filter flags from net-snmp-config invocation more aggressively
SERVER-46983 Upload repobuilding packages to correct URL
SERVER-46996 all push/publish_packages tasks should run on small hosts

Internals

SERVER-30739 config_server_checks.js should assert if initial replSetConfig fails
SERVER-37148 Remove mr_shard_version.js and mr_during_migrate.js in favor of MR FSM test
SERVER-38119 Windows dump file naming does not account for dots in directory names
SERVER-40047 Test for blocking queue should not test for non-guaranteed condition
SERVER-40305 Add diagnostic logging to max_time_ms.js
SERVER-42278 Log SockAddrs produced during LDAP connection establishment with manually derived sizes
SERVER-42525 Single-node replica sets shouldn’t wait for electable caught up secondaries during shutdown
SERVER-43349 Incorrect serialization for $elemMatch $not $ne
SERVER-44325 Add polyfill for certificate chain verification
SERVER-44435 Allow x509 authorization to be selectively enabled based on the CA
SERVER-44868 Initialsync logkeeper and logkeeper-short tests should pass snapshot id and dataset link respectively to dsi(sys-perf)
SERVER-45156 SockAddr constructor should take sockaddr, not sockaddr_storage
SERVER-45472 Ensure RoleGraph can serialize authentication restrictions to BSON
SERVER-45766 Remove “requires” from the server yaml
SERVER-45867 Use latest version of signal processing
SERVER-45935 [3.6] WT error handler incorrectly prints “An unsupported journal format detected”
SERVER-46082 Use bin/analysis.py for performance projects
SERVER-46174 Free peer certificate in SSL_get0_verified_chain polyfill
SERVER-46754 Use new repobuilder service
SERVER-46766 Teardown clusters after every perf run
SERVER-46899 Fix tcmallocReleaseRate parameter in 4.0 and 3.6
SERVER-47063 Upgrade static OpenSSL to 1.1.1e
SERVER-47232 Ensure availability of Python ldap libraries

3.6.17 Changelog

Replication

SERVER-34876 initial_sync_with_write_load.js needs to await initial sync completion before reading oplog
SERVER-45396 fix the “me” field in isMaster responses when using splithorizon

Query

SERVER-42565 Aggregations and find commands sort missing fields differently

Aggregation

SERVER-42756 $multiply operator may return with or w/o an error depending on whether pipeline optimisation is enabled
SERVER-43764 Add more testing for special values in DoubleDoubleSummation
SERVER-44174 $push and $addToSet should restrict memory usage
SERVER-44733 Change stream should throw ChangeStreamFatalError if a single shard cannot be targeted for updateLookup
SERVER-44869 Add query knob to control memory limit for $push and $addToSet

Storage

SERVER-44796 Adjust nojournal startup warning to be more compelling

Build and Packaging

SERVER-37772 Platform Support: Add Community & Enterprise RHEL 8 x64
SERVER-44641 Platform Support: Remove Enterprise RHEL 7 zSeries and SLES 12 zSeries from 3.6

Internals

SERVER-34844 Relax expectations in apply_batches_totalMillis
SERVER-35099 Increase wtimeout in get_last_error.js even more
SERVER-35382 _isSelf command needs to be marked requiresAuth false
SERVER-38002 Upgrade Pcre to at least 8.42
SERVER-39131 Refactor storage engine lock file support
SERVER-42697 Expose tcmalloc_release_rate via setParameter
SERVER-43210 jstests/sharding/kill_sessions.js doesn’t wait for operation to be killed.
SERVER-43246 Add a log line for when a cursor is reaped due to logical session cleanup
SERVER-44568 Update the embedded version of the server’s timezone data file to tzdb-2019c
SERVER-44828 Correct logic to re-compute dependencies after absorbing a $sort into query layer
SERVER-45104 [v3.6] Fix spill_to_disk.js
SERVER-45372 Blacklist versions without majority read concern for change_streams_update_lookup_shard_metadata_missing.js
WT-4636 Fix strace in syscall test
WT-5042 Reduce configuration parsing overhead from checkpoints
WT-5120 Checkpoint hangs when reconciliation doesn’t release the eviction generation
WT-5135 Change lookaside file inserts to use cursor.insert
WT-5218 Improve eviction to differentiate between clean and dirty pages with WT_CACHE_EVICT_NOKEEP readgen
WT-5239 Fix syscall failure about metadata file open
WT-5247 Ensure that only idempotent modify operations are logged
WT-5277 Cursor key out-of-order detected in the lookaside file
WT-5297 syscall.py fail on mongodb-4.0

3.6.16 Changelog

Security

SERVER-44320 Allow zoned sharding commands to be authorized via actiontypes

Docs

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3.6 Changelog

3.6.19 Changelog

Sharding

Replication

Query

Storage

Operations

Build and Packaging

Internals

3.6.18 Changelog

Security

Sharding

Replication

Query

Aggregation

Storage

Operations

Build and Packaging

Internals

3.6.17 Changelog

Replication

Query

Aggregation

Storage

Build and Packaging

Internals

3.6.16 Changelog

Security

Sharding