-
Notifications
You must be signed in to change notification settings - Fork 1.2k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Browse files
Browse the repository at this point in the history
- Loading branch information
1 parent
63a5fa0
commit 2bb91a3
Showing
4 changed files
with
98 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,95 @@ | ||
--- | ||
title: TiDB 6.1.4 Release Notes | ||
summary: 了解 TiDB 6.1.4 版本的新功能、兼容性变更、改进提升,以及错误修复。 | ||
--- | ||
|
||
# TiDB 6.1.4 Release Notes | ||
|
||
发版日期:2023 年 2 月 8 日 | ||
|
||
TiDB 版本:6.1.4 | ||
|
||
试用链接:[快速体验](https://docs.pingcap.com/zh/tidb/v6.1/quick-start-with-tidb) | [生产部署](https://docs.pingcap.com/zh/tidb/v6.1/production-deployment-using-tiup) | [下载离线包](https://cn.pingcap.com/product-community/?version=v6.1.4#version-list) | ||
|
||
## 兼容性变更 | ||
|
||
- TiDB | ||
|
||
- 由于可能存在正确性问题,分区表目前不再支持修改列类型 [#40620](https://github.com/pingcap/tidb/issues/40620) @[mjonss](https://github.com/mjonss) | ||
|
||
## 提升改进 | ||
|
||
- TiFlash | ||
|
||
- 减少了高强度更新负载下的 TiFlash 实例的 IOPS 和写放大倍数,IOPS 最高减少 95%,写放大最高减少 65% [#6460](https://github.com/pingcap/tiflash/issues/6460) @[flowbehappy](https://github.com/flowbehappy) | ||
|
||
- Tools | ||
|
||
- TiCDC | ||
|
||
- 增加了 DML batch 操作功能,提升了批量生成 SQL 语句场景下的吞吐 [#7653](https://github.com/pingcap/tiflow/issues/7653) @[asddongmen](https://github.com/asddongmen) | ||
- 支持将 redo log 存储至兼容 GCS 或 Azure 协议的对象存储 [#7987](https://github.com/pingcap/tiflow/issues/7987) @[CharlesCheung96](https://github.com/CharlesCheung96) | ||
|
||
- TiDB Lightning | ||
|
||
- 将 precheck 检查项 `clusterResourceCheckItem` 和 `emptyRegionCheckItem` 的严重级别从 `Critical` 改为 `Warning` [#37654](https://github.com/pingcap/tidb/issues/37654) @[niubell](https://github.com/niubell) | ||
|
||
## Bug 修复 | ||
|
||
+ TiDB | ||
|
||
- 修复了创建表时列的默认值和列类型不一致且没有自动修正的问题 [#34881](https://github.com/pingcap/tidb/issues/34881) @[Lloyd-Pottiger](https://github.com/Lloyd-Pottiger) @[mjonss](https://github.com/mjonss) | ||
- 修复 `LazyTxn.LockKeys` 函数中的数据争用问题 [#40355](https://github.com/pingcap/tidb/issues/40355) @[HuSharp](https://github.com/HuSharp) | ||
- 修复 `INSERT` 或 `REPLACE` 语句在长会话连接中执行可能造成 Panic 的问题 [#40351](https://github.com/pingcap/tidb/issues/40351) @[fanrenhoo](https://github.com/fanrenhoo) | ||
- 修复使用 "Cursor Read" 方式读取数据时可能因为 GC 而报错的问题 [#39447](https://github.com/pingcap/tidb/issues/39447) @[zyguan](https://github.com/zyguan) | ||
- 修复 [`pessimistic-auto-commit`](/tidb-configuration-file.md#pessimistic-auto-commit) 配置项对 "Point Get" 查询不生效的问题 [#39928](https://github.com/pingcap/tidb/issues/39928) @[zyguan](https://github.com/zyguan) | ||
- 修复查询 `INFORMATION_SCHEMA.TIKV_REGION_STATUS` 返回不正确结果的问题 [#37436](https://github.com/pingcap/tidb/issues/37436) @[zimulala](https://github.com/zimulala) | ||
- 修复使用 `IN` 或 `NOT IN` 的子查询在某些情况下会报错 `Can't find column` 的问题 [#37032](https://github.com/pingcap/tidb/issues/37032) @[AilinKid](https://github.com/AilinKid) @[lance6716](https://github.com/lance6716) | ||
|
||
- PD | ||
|
||
- 修复 PD 可能会非预期地向 Region 添加多个 Learner 的问题 [#5786](https://github.com/tikv/pd/issues/5786) @[HunDunDM](https://github.com/HunDunDM) | ||
|
||
+ TiKV | ||
|
||
- 修复 Gitpod 环境中存在多个 `cgroup` 和 `mountinfo` 时 TiDB 启动异常的问题 [#13660](https://github.com/tikv/tikv/issues/13660) @[tabokie](https://github.com/tabokie) | ||
- 修复 tikv-ctl 执行 `reset-to-version` 命令时被终止的问题 [#13829](https://github.com/tikv/tikv/issues/13829) @[tabokie](https://github.com/tabokie) | ||
- 修复误报 `PessimisticLockNotFound` 的问题 [#13425](https://github.com/tikv/tikv/issues/13425) @[sticnarf](https://github.com/sticnarf) | ||
- 修复单次写入超过 2 GiB 时 TiKV panic 的问题 [#13848](https://github.com/tikv/tikv/issues/13848) @[YuJuncen](https://github.com/YuJuncen) | ||
- 修复 TiDB 中事务在执行悲观 DML 失败后,再执行其他 DML 时,如果 TiDB 和 TiKV 之间存在网络故障,可能会造成数据不一致的问题 [#14038](https://github.com/tikv/tikv/issues/14038) @[MyonKeminta](https://github.com/MyonKeminta) | ||
- 修复当未启用 new collation 时 `LIKE` 操作符中的 `_` 无法匹配非 ASCII 字符的问题 [#13769](https://github.com/tikv/tikv/issues/13769) @[YangKeao](https://github.com/YangKeao) | ||
|
||
+ TiFlash | ||
|
||
- 修复小概率情况下出现的 TiFlash 全局锁被长时间阻塞的问题 [#6418](https://github.com/pingcap/tiflash/issues/6418) @[SeaRise](https://github.com/SeaRise) | ||
- 修复高更新负载可能导致 OOM 的问题 [#6407](https://github.com/pingcap/tiflash/issues/6407) @[JaySon-Huang](https://github.com/JaySon-Huang) | ||
|
||
+ Tools | ||
|
||
+ Backup & Restore (BR) | ||
|
||
- 修复在某些情况下因无法获取 Region 大小导致恢复失败的问题 [#36053](https://github.com/pingcap/tidb/issues/36053) @[YuJuncen](https://github.com/YuJuncen) | ||
- 修复使用 `br debug` 命令解析 backupmeta 文件导致的 panic 的问题 [#40878](https://github.com/pingcap/tidb/issues/40878) @[MoCuishle28](https://github.com/MoCuishle28) | ||
|
||
+ TiCDC | ||
|
||
- 修复在同步大量表时 checkpoint 不推进问题 [#8004](https://github.com/pingcap/tiflow/issues/8004) @[asddongmen](https://github.com/asddongmen) | ||
- 修复不能通过配置文件修改 `transaction_atomicity` 和 `protocol` 参数的问题 [#7935](https://github.com/pingcap/tiflow/issues/7935) @[CharlesCheung96](https://github.com/CharlesCheung96) | ||
- 修复当 TiFlash 的版本高于 TiCDC 时,TiCDC 会误报错的问题 [#7744](https://github.com/pingcap/tiflow/issues/7744) @[overvenus](https://github.com/overvenus) | ||
- 修复同步大事务时会出现 OOM 的问题 [#7913](https://github.com/pingcap/tiflow/issues/7913) @[overvenus](https://github.com/overvenus) | ||
- 修复没有配置大事务拆分时,同步数据超过 context deadline 的问题 [#7982](https://github.com/pingcap/tiflow/issues/7982) @[hi-rustin](https://github.com/hi-rustin) | ||
- 修复 `changefeed query` 的输出中 `sasl-password` 显示为明文的问题 [#7182](https://github.com/pingcap/tiflow/issues/7182) @[dveeden](https://github.com/dveeden) | ||
- 修复用户快速删除、创建同名同步任务可能导致的数据丢失问题 [#7657](https://github.com/pingcap/tiflow/issues/7657) @[overvenus](https://github.com/overvenus) | ||
|
||
+ TiDB Data Migration (DM) | ||
|
||
- 修复当 `SHOW GRANTS` 结果中的下游数据库名包含通配符 `*` 时 precheck 报错的问题 [#7645](https://github.com/pingcap/tiflow/issues/7645) @[lance6716](https://github.com/lance6716) | ||
- 修复当 binlog 中 query event 为 COMMIT 时 DM 打印过多日志的问题 [#7525](https://github.com/pingcap/tiflow/issues/7525) @[liumengya94](https://github.com/liumengya94) | ||
- 修复当 SSL 参数仅指定 `ssl-ca` 时 DM 任务无法启动的问题 [#7941](https://github.com/pingcap/tiflow/issues/7941) @[liumengya94](https://github.com/liumengya94) | ||
- 修复当在某个表上同时指定 `UPDATE` 和非 `UPDATE` 类型的表达式过滤规则 `expression-filter` 时,所有 `UPDATE` 操作被跳过的问题 [#7831](https://github.com/pingcap/tiflow/issues/7831) @[lance6716](https://github.com/lance6716) | ||
- 修复当某个表上仅指定 `update-old-value-expr` 或 `update-new-value-expr` 时,过滤规则不生效或 DM 发生 panic 的问题 [#7774](https://github.com/pingcap/tiflow/issues/7774) @[lance6716](https://github.com/lance6716) | ||
|
||
+ TiDB Lightning | ||
|
||
- 修复 TiDB Lightning 导入巨大数据源文件时的内存泄漏问题 [#39331](https://github.com/pingcap/tidb/issues/39331) @[dsdashun](https://github.com/dsdashun) | ||
- 修复 precheck 检查项有时无法监测到之前的导入失败遗留的脏数据的问题 [#39477](https://github.com/pingcap/tidb/issues/39477) @[dsdashun](https://github.com/dsdashun) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters