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| .. _3.4.4-changelog: | ||
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| 3.4.4 Changelog | ||
| --------------- | ||
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| Security | ||
| ~~~~~~~~ | ||
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| - :issue:`SERVER-27821` Make `large_role_chain.js` not run on DEBUG systems | ||
| - :issue:`SERVER-28014` When SSL mode is preferSSL, log connections that do not use SSL | ||
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| Sharding | ||
| ~~~~~~~~ | ||
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| - :issue:`SERVER-20854` Don't refresh database and collection information from config server while holding a mutex | ||
| - :issue:`SERVER-22611` ChunkManager refresh can occasionally cause a full reload | ||
| - :issue:`SERVER-27681` Better concurrency control on shard metadata refresh | ||
| - :issue:`SERVER-27701` mongos crashed with "Invariant failure remote.status.isOK()" | ||
| - :issue:`SERVER-28519` Bump verbosity for mongos and config servers in authCommands.js (v3.4) | ||
| - :issue:`SERVER-28697` Ignore some NoProgressMade errors in sharding_balance4.js | ||
| - :issue:`SERVER-28698` Use the 'chunkDataCommitted' failpoint for migration_critical_section_concurrency.js | ||
| - :issue:`SERVER-28807` parseShardKeyPattern can leak for bad inputs | ||
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| Replication | ||
| ~~~~~~~~~~~ | ||
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| - :issue:`SERVER-24498` Write tests for linearizable reads in a sharded system | ||
| - :issue:`SERVER-26360` After node goes into RECOVERING due to being too stale to sync from its source, it will never recover even if there is a valid sync source it could use | ||
| - :issue:`SERVER-26830` Randomize priority takeover timeout | ||
| - :issue:`SERVER-27098` review and fix log levels in DataReplicator | ||
| - :issue:`SERVER-27120` Increase synchronization between producer/applier threads and stepdown/stepup | ||
| - :issue:`SERVER-27329` Move BackgroundSync::_rollback into rs_rollback.cpp and unit test it | ||
| - :issue:`SERVER-27403` Consider term and rbid when validating the proposed sync source | ||
| - :issue:`SERVER-27543` Create new metadata for oplog queries | ||
| - :issue:`SERVER-27834` Index builds during initial sync should not implicitly create collections | ||
| - :issue:`SERVER-27966` last_vote.js should wait for replication before stepping down node 0 pre-reconfig | ||
| - :issue:`SERVER-27995` Make replication naming conventions consistent | ||
| - :issue:`SERVER-28135` stepdown.js should always fsyncUnlock() all secondary nodes | ||
| - :issue:`SERVER-28181` Deadlock involving the mutexes of oplog fetcher and replication coordinator | ||
| - :issue:`SERVER-28184` remove election_timing.js (and lib/election_timing_test.js) | ||
| - :issue:`SERVER-28185` remove reconfig_without_increased_queues.js | ||
| - :issue:`SERVER-28272` extend timeout in step_down_during_draining.js when waiting for new primary | ||
| - :issue:`SERVER-28275` fix misleading log message in ReplicationCoordinatorImpl::_startElectSelfIfEligibleV1() | ||
| - :issue:`SERVER-28278` Wait for desired sync source to replicate dummy write before running replSetSyncFrom in syncFrom shell helper | ||
| - :issue:`SERVER-28376` ReplSetTest.initiate() should call awaitReplication before requesting node 0 to step up as primary | ||
| - :issue:`SERVER-28377` Do not check that remote last applied is ahead of local last fetched in OplogFetcher first batch during initial sync | ||
| - :issue:`SERVER-28446` Blacklist top.js from dynamic initial sync suites | ||
| - :issue:`SERVER-28695` step_down_during_draining.js should wait for writes to be durable before disable replication on secondaries using fail point | ||
| - :issue:`SERVER-28699` ReplSetTest should always awaitSecondaryNodes() at the end of initiate | ||
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| Query | ||
| ~~~~~ | ||
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| - :issue:`SERVER-27711` createIndexes command no longer supports maxTimeMS option | ||
| - :issue:`SERVER-27761` view can be created on top of a view with different collation than underlying view | ||
| - :issue:`SERVER-27972` Add a featureCompatibilityVersion op observer for database/collection drop | ||
| - :issue:`SERVER-28121` DurableViewCatalog shouldn't throw on null byte in view ns | ||
| - :issue:`SERVER-28498` Stop running the rlp* tasks on the "Enterprise RHEL 6.2 DEBUG Code Coverage" builder | ||
| - :issue:`SERVER-28546` documents can erroneously be unindexed from a partial index | ||
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| Write Operations | ||
| ~~~~~~~~~~~~~~~~ | ||
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| - :issue:`SERVER-26703` Inserting deeply-nested documents should fail with error | ||
| - :issue:`SERVER-28347` Prohibit updates that cause documents to exceed the depth limit | ||
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| Aggregation | ||
| ~~~~~~~~~~~ | ||
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| - :issue:`SERVER-8433` Aggregating deeply-nested documents can cause stack overflow | ||
| - :issue:`SERVER-18794` Add an aggregation expression to convert an object to an array of key, value pairs | ||
| - :issue:`SERVER-23310` Add an expression to convert an array of pairs to an object | ||
| - :issue:`SERVER-27644` distinct on a view doesn't "flatten" array members | ||
| - :issue:`SERVER-28409` Decrease verbosity during testshard1.js | ||
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| JavaScript | ||
| ~~~~~~~~~~ | ||
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| :issue:`SERVER-22520` Educate ASAN leak checker about js allocations | ||
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| Storage | ||
| ~~~~~~~ | ||
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| - :issue:`SERVER-22954` MigrationDestinationManager should not directly use MMAPv1 durable interface | ||
| - :issue:`SERVER-28548` mmap b-tree removals may cause index readers or writers to return invalid data | ||
| - :issue:`SERVER-28572` Update test case to use valid custom WiredTiger configuration values | ||
| - :issue:`SERVER-28645` Fail commands that require too many locks instead of crashing | ||
| - :issue:`SERVER-28646` Don't report ops as passed if logOps causes txn to fail | ||
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| Operations | ||
| ~~~~~~~~~~ | ||
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| - :issue:`SERVER-16821` Do not abort server when receiving multiple SIGUSR1 in the same second | ||
| - :issue:`SERVER-28380` Add a test-only clearLog command for clearing out RamLog, use it in tests when checking for a specific log message | ||
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| Build and Packaging | ||
| ~~~~~~~~~~~~~~~~~~~ | ||
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| - :issue:`SERVER-20540` Support compiling with split DWARF debug info | ||
| - :issue:`SERVER-28390` Mark link targets as Precious when incremental linking flags are enabled | ||
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| Internals | ||
| ~~~~~~~~~ | ||
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| - :issue:`SERVER-21539` Generate report.json file when resmoke.py receives a SIGUSR1 | ||
| - :issue:`SERVER-26952` Cache SCRAM-SHA-1 ClientKey | ||
| - :issue:`SERVER-27191` hang analyzer should dump lock manager state | ||
| - :issue:`SERVER-27684` Remove the self-imposed 2 minute limit from hang_analyzer.py | ||
| - :issue:`SERVER-27687` ppc64le build incorrectly indicates pointer size of 32 | ||
| - :issue:`SERVER-27691` ServiceContext::setKillAllOperations should be replaced with an operation that interrupts running operations | ||
| - :issue:`SERVER-27853` Fetch debug symbols before invoking hang_analyzer.py | ||
| - :issue:`SERVER-27854` initiate replicasets faster in replicaset.py | ||
| - :issue:`SERVER-27866` The globalLockManager dump should print thread ID in decimal & hex | ||
| - :issue:`SERVER-27868` Upload debug symbols on all build variants that create separate symbol files | ||
| - :issue:`SERVER-27875` Dump critical sections on Windows in hang_analyzer.py | ||
| - :issue:`SERVER-27876` hang_analyzer.py should deduplicate stacks from different threads in Windows debugger CDB | ||
| - :issue:`SERVER-28091` Disk stats collection on OS X only captures I/O utilization averaged over the uptime of the machine | ||
| - :issue:`SERVER-28169` Set eviction=(threads_min=1) in Microbenchmarks testing | ||
| - :issue:`SERVER-28259` Log time to establish egress connections through NetworkInterfaceASIO | ||
| - :issue:`SERVER-28329` Remove comparison tasks from Microbenchmarks | ||
| - :issue:`SERVER-28426` Update etc/longevity.yml to use run_test.py instead of run-${test}.sh | ||
| - :issue:`SERVER-28430` Expose dropConnections() method on ConnectionPool through the NetworkInterface | ||
| - :issue:`SERVER-28462` Update perf.yml to compare against latest stable release | ||
| - :issue:`SERVER-28489` MockStream should handle cancellation while it is paused | ||
| - :issue:`SERVER-28526` Update Evergreen API URL in burn_in_tests.py | ||
| - :issue:`SERVER-28530` SSLThreadInfo invokes constructor in destructor | ||
| - :issue:`SERVER-28547` sharding_continuous_config_stepdown suite doesn't actually step any nodes down | ||
| - :issue:`SERVER-28586` "do jepsen setup" function should check out branch before trying to change to subdirectory | ||
| - :issue:`SERVER-28652` Add logging to track egress connection pool size | ||
| - :issue:`SERVER-28692` Move shell tarball generation to compile task | ||
| - :issue:`SERVER-28748` Set virtual memory ulimit in package smoke testing for mongo shell tests | ||
| - :issue:`SERVER-28823` burn_in_tests.py does not use api server default due to missing `None` check | ||
| - :issue:`WT-98` Update the current cursor value without a search | ||
| - :issue:`WT-2439` Enhance reconciliation page layout | ||
| - :issue:`WT-2990` checkpoint load live_open assertion failure | ||
| - :issue:`WT-3136` bug fix: WiredTiger doesn't check sprintf calls for error return | ||
| - :issue:`WT-3155` Remove WT_CONN_SERVER_RUN flag | ||
| - :issue:`WT-3182` Switch make-check to run the short test suite by default | ||
| - :issue:`WT-3190` Enhance eviction thread auto-tuning algorithm | ||
| - :issue:`WT-3191` lint | ||
| - :issue:`WT-3193` Close a race between verify opening a handle and eviction visiting it | ||
| - :issue:`WT-3196` Race with LSM and eviction when switching chunks | ||
| - :issue:`WT-3199` bug: eviction assertion failure | ||
| - :issue:`WT-3202` wtperf report an error on in_memory=true mode : No such file or directory | ||
| - :issue:`WT-3203` bulk-load state changes can race | ||
| - :issue:`WT-3204` eviction changes cost LSM performance | ||
| - :issue:`WT-3207` Drops with checkpoint_wait=false should not wait for checkpoints | ||
| - :issue:`WT-3208` test format hung with 9mb cache | ||
| - :issue:`WT-3211` WT_CURSOR.remove cannot always retain its position. | ||
| - :issue:`WT-3212` 'wt dump' crashes when given table with unknown collator | ||
| - :issue:`WT-3213` generated test/format CONFIG invalid on next run | ||
| - :issue:`WT-3216` add support for clang-tidy | ||
| - :issue:`WT-3224` LSM assertion failure pindex->entries == 1 | ||
| - :issue:`WT-3225` WiredTiger won't build with clang on CentOS 7.3.1611 | ||
| - :issue:`WT-3227` Python test suite inserts unnecessary whitespace in error output. | ||
| - :issue:`WT-3228` Remove with overwrite shouldn't return WT_NOTFOUND | ||
| - :issue:`WT-3234` Update WiredTiger build for clang 4.0. | ||
| - :issue:`WT-3238` Java: Cursor.compare and Cursor.equals throw Exceptions for valid return values | ||
| - :issue:`WT-3240` Coverity reports | ||
| - :issue:`WT-3243` Reorder log slot release so joins don't wait on IO | ||
| - :issue:`WT-3244` metadata operations failing in in-memory configurations | ||
| - :issue:`WT-3249` Unit test test_readonly fails as it is unable to open WiredTiger.lock | ||
| - :issue:`WT-3250` Incorrect statistics incremented on Windows | ||
| - :issue:`WT-3254` test_reconfig02 uses incorrect configuration string | ||
| - :issue:`WT-3262` Schema operations shouldn't wait for cache | ||
| - :issue:`WT-3265` Verify hits assertion in eviction when transiting handle to exclusive mode | ||
| - :issue:`WT-3271` Eviction tuning stuck in a loop | ||
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