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- [ 常见问题与解答(FAQ)] ( FAQ.md )
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- [ 最佳实践] ( https://pingcap.com/blog-cn/tidb-best-practice/ )
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+ [ 版本发布历史] ( releases/rn.md )
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+ - [ 2.0.8] ( releases/208.md )
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- [ 2.1 RC3] ( releases/21rc3.md )
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- [ 2.1 RC2] ( releases/21rc2.md )
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- [ 2.0.7] ( releases/207.md )
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+ ---
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+ title : TiDB 2.0.8 release notes
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+ category : Releases
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+ ---
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+ # TiDB 2.0.8 Release Notes
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+ 2018 年 10 月 16 日,TiDB 发布 2.0.8 版。该版本在 2.0.7 版的基础上,对系统兼容性、稳定性做出了改进。
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+ ## TiDB
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+ + 功能改进
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+ - 在 ` Update ` 没有更改相应 AUTO-INCREMENT 列情况下,防止 AUTO-ID 被消耗过快 [ #7846 ] ( https://github.com/pingcap/tidb/pull/7846 )
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+ + Bug 修复
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+ - 在 PD Leader 异常宕机的情况下,TiDB 快速创建 etcd Session 恢复服务 [ #7810 ] ( https://github.com/pingcap/tidb/pull/7810 )
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+ - 修复 ` DateTime ` 类型使用默认值时候没有考虑时区的问题 [ #7672 ] ( https://github.com/pingcap/tidb/pull/7672 )
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+ - 修复 ` duplicate key update ` 在某些情况下没有正确插入值的问题 [ #7685 ] ( https://github.com/pingcap/tidb/pull/7685 )
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+ - 修复 ` UnionScan ` 中谓词条件没有下推的问题 [ #7726 ] ( https://github.com/pingcap/tidb/pull/7726 )
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+ - 修复增加 ` TIMESTAMP ` 索引没有正确处理时区的问题 [ #7812 ] ( https://github.com/pingcap/tidb/pull/7812 )
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+ - 修复某些情况下统计信息模块导致的内存泄露问题 [ #7864 ] ( https://github.com/pingcap/tidb/pull/7864 )
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+ - 修复在某些异常情况下,无法获得 ` ANALYZE ` 结果的问题 [ #7871 ] ( https://github.com/pingcap/tidb/pull/7871 )
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+ - 令 ` SYSDATE ` 不做表达式展开,以返回正确的结果 [ #7894 ] ( https://github.com/pingcap/tidb/pull/7894 )
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+ - 修复某些情况下,` substring_index ` panic 的问题 [ #7896 ] ( https://github.com/pingcap/tidb/pull/7896 )
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+ - 修复某些情况下,错误将 ` OUTER JOIN ` 转为 ` INNER JOIN ` 的问题 [ #7899 ] ( https://github.com/pingcap/tidb/pull/7899 )
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+
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+ ## TiKV
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+ + Bug 修复
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+ - 修复节点宕机时 Raftstore ` EntryCache ` 占用内存持续上升的问题 [ #3529 ] ( https://github.com/tikv/tikv/pull/3529 )
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TiDB 历史版本发布声明如下:
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+ - [ 2.0.8] ( 208.md )
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- [ 2.1 RC3] ( 21rc3.md )
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- [ 2.1 RC2] ( 21rc2.md )
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- [ 2.0.7] ( 207.md )
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