MongoDB 存储引擎 WiredTiger 2.9.3 已发布，有如下重要的变更：
JIRA reference Brief description
WT-2972 Add an interface allowing partial updates to existing values
WT-3063 Add an interface allowing reservation of records for read-modify-write
WT-3142 Add a workload generator application
WT-3160 Improve eviction of internal pages from idle trees
WT-3245 Avoid hangs on shutdown when a utility thread encounters an error
WT-3258 Improve visibility into thread wait time due to pages exceeding memory_page_max
WT-3263 Allow archive on restart/recovery if clean shutdown
WT-3287 Review WiredTiger internal panic checks
WT-3292 Review/cleanup full-barrier calls in WiredTiger
WT-3296 LAS table fixes/improvements
WT-3327 Checkpoints can hang if time runs backward
WT-3345 Improve rwlock scaling
WT-3373 Access violation due to a bug in internal page splitting
WT-3379 Change when pages can be split to avoid excessively slowing some operations
软件详情：https://jira.mongodb.org/browse/WT/fixforversion/18291
下载地址：https://github.com/wiredtiger/wiredtiger/releases/download/2.9.3/wiredtiger-2.9.3.tar.bz2
来自:开源中国社区
