智能化下的产物，无人棋牌室
MongoDB 存储引擎 WiredTiger 2.9.1 发布了。WiredTiger 2.9.1 版本包含新功能，新的支持平台，次要 API 更改和错误修复。有关详细信息，请参阅更改日志。
新功能和 API 更改（有关完整详细信息，请参阅 API 文档）：
- SERVER-26545 Remove fixed-size limitation on WiredTiger hazard pointers. See the upgrading documentation for details
- WT-283 Add a new WT_SESSION::alter method that can be used to reconfigure table metadata
- WT-2670 Change the default file system access pattern advice for data files from random to no advice. Add access_pattern_hint configuration option for WT_SESSION::create API that can be used to advise the file system of expected access semantics. See the upgrading documentation for details.
- WT-3034 Add support for including updates when reading from named snapshots
重大变更和错误修复：
- WT-2960 Reduce likelihood of using the lookaside file, especially when inserting multi-megabyte values
- WT-3056 Allow projected table and join cursors to use primary keys
- WT-3070 Fix a bug in search_near on indexes
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