MongoDB 3.5.4 和 3.4.3rc0 发布了。
3.5.4 部分更新如下：
改进
covered index should support dotted fields
Add option to listDatabases to only get db names, not size info
Ensure getLastErrorDefaults/getLastErrorModes are satisfiable
Remove RWLock
Update README
AtomicWord constructor should be constexpr
Randomize priority takeover timeout
Shut down clusters on finished jobs in resmoke
Remove mongo/util/print.h
Use requests library to manage HTTP posts in resmoke.py buildlogger support
Guarantee that replicaset is stable with node 0 as primary after ReplSetTest.initiate()
Package smoke testing should retry verify step and not call converge
The globalLockManager dump should print thread ID in decimal & hex
Upload debug symbols on all build variants that create separate symbol files
Create a build artifact of hang_analyzer.py output and upload it to S3
Add option to invoke hang_analyzer.py with an explicit list of PIDs
Add hang_analyzer.py option to produce core dump, default to off
Dump critical sections on Windows in hang_analyzer.py
hang_analyzer.py should deduplicate stacks from different threads in Windows debugger CDB
make ClusterClientCursor own ClusterClientCursorParams and pass the params by reference to RouterStageMerge/ARM
sys-perf: Organize all dsi yaml config files under configurations/
Stand up interface to `IndexCatalog` and `IndexCatalogEntry`
Use dmesg -c to clear ring buffer before tasks instead of dmesg --clear
Make SHA1Hash a full fledged class
Use key rather than cmp in libdeps.py sorted_by_str
Add more diagnostic info to stats.js
Cleanup sharding library dependencies
新特性
Add an aggregation expression to convert an object to an array of key, value pairs
Include Evergreen task id in metadata sent to logkeeper
Add SCons support for targeting iOS, tvOS, and associated simulators
软件详情：https://jira.mongodb.org/secure/Dashboard.jspa
下载地址：https://github.com/mongodb/mongo/
来自:开源中国社区
