Question
- [SERVER-28149] - upgrade scons to 2.5.1
Bug
- [SERVER-13732] - Predicates in top-level implicit AND query not considered when generating index access plan for contained OR
- [SERVER-19491] - arbiters should have priority 0 for clarity
- [SERVER-21428] - Enable enumeration of codes contained in ErrorCodes class
- [SERVER-26349] - Support running dmesg -T on platforms that require sudo
- [SERVER-26494] - remove unreachable else-branch in sync_source_feedback.cpp logic
- [SERVER-27564] - Dagger tool does not produce correct output
- [SERVER-27623] - SLES11 s390x build should target z9-109, not z196
- [SERVER-27682] - Add SCons variable files for the MongoDB GCC and clang toolchains
- [SERVER-27700] - WT secondary performance drops to near-zero with cache full
- [SERVER-27839] - Allow for step downs during reconfig in ReplSetTest initiate
- [SERVER-27863] - Reschedule early alarms in NetworkInterfaceASIO to avoid mongos crash
- [SERVER-27879] - Filename blacklist in burn_in_tests.py has no effect on Windows due to path normalization
- [SERVER-27891] - reIndex command ignores writeConcern
- [SERVER-27897] - Remove uses of temporary RAII objects
- [SERVER-27913] - Make sure the last applied hash is corresponding to the last applied optime in bgsync start()
- [SERVER-27930] - Accessing cursor with pending data after renaming collection may trigger fassert
- [SERVER-27935] - Fix serialization of concurrent fsyncLock execution
- [SERVER-27936] - fix improper release of locks in master/slave handleDuplicateDbName
- [SERVER-27941] - Remove the shardVersion check when entering the critical section.
- [SERVER-27950] - Add SocketException to the list of NetworkErrors
- [SERVER-27954] - Viewing a code_w_s object in the shell produces malformed output
- [SERVER-27956] - Build successfully under G++ 6.2
- [SERVER-27996] - Accessing system.namespaces cursor with pending data after removing namespaces may cause crash
- [SERVER-28005] - Oplog query network timeout is less than the maxTimeMs
- [SERVER-28013] - Ensure ReplClientInfo's last opTime can't be moved backwards
- [SERVER-28017] - $ne perform a case sensitive find when it should do a case insensitive find based on collation settings
- [SERVER-28022] - Accessing cursor with pending data after forcing system.namespaces record move may cause crash
- [SERVER-28037] - Raise default writeConcern wtimeout in db.js to 10 minutes
- [SERVER-28038] - Improve WiredTigerRecordStore invariants for capped visiblity
- [SERVER-28041] - remove awaitNodesAgreeOnPrimary() call in sync2.js
- [SERVER-28047] - ReplSetTest._callIsMaster() should set slaveOk on primary
- [SERVER-28049] - List Databases command should apply filter on name only before database locks
- [SERVER-28050] - Reconnect connection after stepdown in read_committed_stale_history.js
- [SERVER-28065] - blacklist jstests/core/views/duplicate_ns.js from initial sync suites
- [SERVER-28071] - FTS index language override parsing errors not handled correctly for oplog idempotency
- [SERVER-28075] - Wait for DB works in simulateSuccessfulV1ElectionAt()
- [SERVER-28105] - sharding_with_x509.js should use deletes that can be versioned
- [SERVER-28110] - Set secondaryCatchUpPeriodSecs smaller when requesting remote primary stepdown
- [SERVER-28132] - Remove sudo from hang_analyzer invocation in evergreen.yml
- [SERVER-28134] - Clean up header include order sensitivity
- [SERVER-28135] - stepdown.js should always fsyncUnlock() all secondary nodes
- [SERVER-28154] - Race condition in ttl_sharded.js
- [SERVER-28162] - Tests that call getLatestProfilerEntry() should be blacklisted from dynamic initial sync passthrough suites
- [SERVER-28169] - Set eviction=(threads_min=1) in Microbenchmarks testing
- [SERVER-28184] - remove election_timing.js (and lib/election_timing_test.js)
- [SERVER-28185] - remove reconfig_without_increased_queues.js
- [SERVER-28288] - Windows MongoDB 3.4.1 tools show "built-without-version-string" instead of the actual version
New Feature
- [SERVER-18794] - Add an aggregation expression to convert an object to an array of key, value pairs
- [SERVER-23818] - Include Evergreen task id in metadata sent to logkeeper
- [SERVER-28004] - Add SCons support for targeting iOS, tvOS, and associated simulators
- [SERVER-28390] - Mark link targets as Precious when incremental linking flags are enabled
Task
- [SERVER-3144] - mongo shell host & port doc issue
- [SERVER-20540] - Support compiling with split DWARF debug info
- [SERVER-21675] - Remove 'legacy' from Evergreen task names
- [SERVER-23225] - Add jstest asserting protocolVersion:0 + readConcern:Majority == BAD
- [SERVER-25309] - Add RHEL 6 zSeries build variant
- [SERVER-27120] - Increase synchronization between producer/applier threads and stepdown/stepup
- [SERVER-27543] - Create new metadata for oplog queries
- [SERVER-27704] - Chunk metadata cache updates on the primary must be written to config.chunks.ns
- [SERVER-27746] - Integrate LogicalClock with oplog
- [SERVER-27748] - Implement LogicalTimeMetadata
- [SERVER-27768] - Implement HMAC key for signing Logical clock's storage & distribution
- [SERVER-27773] - Add operationTime to command response
- [SERVER-27813] - Change ReplSetTest's checkDBHashesForReplSet() function to handle duplicate namespaces being returned
- [SERVER-27855] - Attach all NetworkInterface instances with EgressHooks
- [SERVER-27858] - Increase the task timeout when running to the concurrency suite to 6 hours
- [SERVER-27886] - move paths.* into mmapv1
- [SERVER-27887] - add toBson() rvalue overload method to RecordData
- [SERVER-27890] - remove tempness of cappedTruncateAfter
- [SERVER-27904] - Extend support for moving predicates into contained ORs to multikey indexes
- [SERVER-27914] - Verify canAcceptWritesForDatabase() is called while the caller holds the global lock
- [SERVER-27972] - Add a featureCompatibilityVersion op observer for database/collection drop
- [SERVER-27977] - Remove config connection string command parameters that are no longer used to initiate sharding, and eliminate current uses of ShardLocal::getConnString()
- [SERVER-27983] - Move sys-perf state to /data from $HOME
- [SERVER-27985] - remove _everStartedWrite from WiredTigerRecoveryUnit
- [SERVER-28026] - Disable auto-tuning of WiredTiger eviction threads
- [SERVER-28029] - Update sanitizer builders to use toolchain clang
- [SERVER-28030] - Move 'initial chunks' writes out of ChunkManager
- [SERVER-28067] - Update sys-perf.yml to copy over cluster.json
- [SERVER-28086] - Update system-perf.yml tagged commit
- [SERVER-28094] - remove StaticObserver code
- [SERVER-28098] - Get rid of DBConfig::getAllShardIds
- [SERVER-28106] - Cleanup the contract of ChunkManager::findIntersectingChunk
- [SERVER-28111] - Move parallel.h/parallel.cpp to be under mongo/s/client
- [SERVER-28112] - Remove virtualenv workaround for SUSE 12 in etc/evergreen.yml
- [SERVER-28147] - Increase time out on sys-perf shard tests
- [SERVER-28161] - make ClusterWrite::explain path use ARS instead of DBClientMultiCommand
- [SERVER-28163] - make cluster_get_last_error_cmd.cpp use ARS instead of DBClientMultiCommand
- [SERVER-28171] - Use Python 2.7 for all python invocations in evergreen.yml
- [SERVER-28173] - create a component that sends requests in parallel to multiple hosts over ASIO
Improvement
- [SERVER-2104] - covered index should support dotted fields
- [SERVER-3181] - Add option to listDatabases to only get db names, not size info
- [SERVER-18407] - Ensure getLastErrorDefaults/getLastErrorModes are satisfiable
- [SERVER-18410] - Remove RWLock
- [SERVER-21933] - Update README
- [SERVER-25879] - AtomicWord constructor should be constexpr
- [SERVER-26830] - Randomize priority takeover timeout
- [SERVER-26965] - Use RAII type for turning off replicated writes
- [SERVER-27158] - Shut down clusters on finished jobs in resmoke
- [SERVER-27553] - Remove mongo/util/print.h
- [SERVER-27627] - Use requests library to manage HTTP posts in resmoke.py buildlogger support
- [SERVER-27810] - Guarantee that replicaset is stable with node 0 as primary after ReplSetTest.initiate()
- [SERVER-27836] - Package smoke testing should retry verify step and not call converge
- [SERVER-27866] - The globalLockManager dump should print thread ID in decimal & hex
- [SERVER-27868] - Upload debug symbols on all build variants that create separate symbol files
- [SERVER-27869] - Create a build artifact of hang_analyzer.py output and upload it to S3
- [SERVER-27870] - Add option to invoke hang_analyzer.py with an explicit list of PIDs
- [SERVER-27871] - Add hang_analyzer.py option to produce core dump, default to off
- [SERVER-27875] - Dump critical sections on Windows in hang_analyzer.py
- [SERVER-27876] - hang_analyzer.py should deduplicate stacks from different threads in Windows debugger CDB
- [SERVER-27973] - make ClusterClientCursor own ClusterClientCursorParams and pass the params by reference to RouterStageMerge/ARM
- [SERVER-28000] - sys-perf: Organize all dsi yaml config files under configurations/
- [SERVER-28036] - Use dmesg -c to clear ring buffer before tasks instead of dmesg --clear
- [SERVER-28052] - Make SHA1Hash a full fledged class
- [SERVER-28099] - Use key rather than cmp in libdeps.py sorted_by_str
- [SERVER-28102] - Add more diagnostic info to stats.js
- [SERVER-28155] - Cleanup sharding library dependencies
Edit/Copy Release Notes
The text area below allows the project release notes to be edited and copied to another document.