发布于 2017-02-07 03:50:46 | 257 次阅读 | 评论: 0 | 来源: 网友投递
MongoDB 分布式文件存储的数据库
MongoDB 是一个基于分布式文件存储的数据库。由C++语言编写。旨在为WEB应用提供可扩展的高性能数据存储解决方案。
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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