MongoDB 3.4.2 已于 2 月 2 日发布。有以下更新：

改进

• [SERVER-24695] - burn_in_tests.py should have a mechanism for blacklisting tests and suites similar to resmoke.py

• [SERVER-26545] - Remove fixed-size limitation on WiredTiger hazard pointers

• [SERVER-26806] - Randomly restart initial sync in the dynamic initial sync passthrough

• [SERVER-26960] - Consider improving error message when attempting $natural sort on a view

• [SERVER-27042] - Fix and modernize currentop.js

• [SERVER-27052] - Add asynchronous operation support to DataReplicator

• [SERVER-27126] - Remove reference to mongodb-mongo-master Evergreen project in burn_in_tests.py script

• [SERVER-27140] - Linux package smoke testing

• [SERVER-27146] - Enforce maxStalenessSeconds >= 90

• [SERVER-27175] - Address slowness in Explain::getPlanSummary

• [SERVER-27256] - Run getMore test in sharded configuration in views_authz.js

• [SERVER-27258] - A v3.4 config server can crash with a core dump if it gets an unsupported shard key from mongo S.

• [SERVER-27306] - Remove AutoGetCollection* methods that take std::string namespace

• [SERVER-27307] - DocumentSourceCursor should store namespace as NamespaceString

• [SERVER-27364] - Remove DBConfig::setPrimary

• [SERVER-27366] - Remove DBConfig::enableSharding

• [SERVER-27381] - Remove DBConfig::dropDatabase

• [SERVER-27406] - Reduce DocumentSourceCursor batch size from 16MB to 4MB

• [SERVER-27419] - Move cluster 'drop' command to a separate file

• [SERVER-27441] - Improvements to Linux package smoke testing

• [SERVER-27473] - Remove writes from DBConfig

• [SERVER-27510] - Compare only epochs instead of full chunk versions in CollectionMetadata::checkChunkIsValid()

• [SERVER-27556] - Cleanup sharding request processing code

• [SERVER-27613] - Remove unused 'chunkVersion' field sent in splitChunk command

• [SERVER-27653] - Blacklist Concurrency suite in burn_in_tests

• [SERVER-27726] - Split ShardingCatalogManagerImpl into multiple .cpp files by category of operation

• [SERVER-27754] - Use requests instead of httplib2 in packager.py

• [SERVER-27827] - Improve package smoke testing retry logic

新特性

• [SERVER-27584] - Add support for filter to listDatabases

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下载地址：

• Source code (zip)

• Source code (tar.gz)