发布于 2017-06-28 00:03:04 | 86 次阅读 | 评论: 0 | 来源: 网友投递
WiredTiger NoSQL 存储引擎
WiredTiger 是一个开源的、高性能、可伸缩的 NoSQL 数据存储引擎。
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 |
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