From fb902baf9bfd8ed9e6c60e74efede59777d92262 Mon Sep 17 00:00:00 2001 From: xixirangrang <35301108+hfxsd@users.noreply.github.com> Date: Mon, 18 Sep 2023 10:00:04 +0800 Subject: [PATCH 01/22] cn draft, not reviewed and polished --- releases/release-6.5.5.md | 87 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 releases/release-6.5.5.md diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md new file mode 100644 index 0000000000000..6e9a81a33ad37 --- /dev/null +++ b/releases/release-6.5.5.md @@ -0,0 +1,87 @@ +--- +title: TiDB 6.5.5 Release Notes +summary: Learn about the compatibility changes, improvements, and bug fixes in TiDB 6.5.5. +--- + +# TiDB 6.5.5 Release Notes + +Release date: xx, 2023 + +TiDB version: 6.5.5 + +试用链接：[快速体验](https://docs.pingcap.com/zh/tidb/v6.5/quick-start-with-tidb) | [生产部署](https://docs.pingcap.com/zh/tidb/v6.5/production-deployment-using-tiup) | [下载离线包](https://cn.pingcap.com/product-community/?version=v6.5.5#version-list) + +## Improvements + ++ TiDB **tw@qiancai** + + - 支持从高版本回退到 6.5 [#45570](https://github.com/pingcap/tidb/issues/45570) @[wjhuang2016](https://github.com/wjhuang2016) + - (dup): release-7.3.0.md > # 稳定性 * 新增部分优化器提示 [#45520](https://github.com/pingcap/tidb/issues/45520) @[qw4990](https://github.com/qw4990) + - 添加 coprocessor 相关 request source 信息 [#46514](https://github.com/pingcap/tidb/issues/46514) @[you06](https://github.com/you06) + ++ TiKV **tw@qiancai** + + - 增加 pd-client中连接重试过程中backoff的功能，减小PD压力 [#15428](https://github.com/tikv/tikv/issues/15428) @[nolouch](https://github.com/nolouch) + - Titan：避免写Titan manifest文件时持有锁 [#15351](https://github.com/tikv/tikv/issues/15351) @[Connor1996](https://github.com/Connor1996) + - 压缩check_leader请求. [#14839](https://github.com/tikv/tikv/issues/14839) @[you06](https://github.com/you06) + - 增加snapshot相关的监控 [#15401](https://github.com/tikv/tikv/issues/15401) @[SpadeA-Tang](https://github.com/SpadeA-Tang) + - 当leader转移时提高PiTR checkpoint lag的稳定性. [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen) + - 增加safe-ts相关的日志和监控 [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) + - 更多resolved-ts相关的日志和监控. [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) + - (dup): release-7.3.0.md > 改进提升> TiKV - 添加 `Max gap of safe-ts` 和 `Min safe ts region` 监控项以及 `tikv-ctl get_region_read_progress` 命令，用于更好地观测和诊断 resolved-ts 和 safe-ts 的状态 [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) + ++ Tools **tw@Oreoxmt** + + + Backup & Restore (BR) + + - 减少日志备份 resolve lock 的 cpu 开销 [40759](https://github.com/pingcap/tidb/issues/40759) @[3pointer](https://github.com/3pointer) + + + TiDB Lightning + + - 修复 TiDB Lightning 在目标服务器部署 TiCDC 时无法启动的问题 [#41040](https://github.com/pingcap/tidb/issues/41040) @[lance6716](https://github.com/lance6716) + - 修复 TiDB Lightning 在 PD 拓扑变更时无法启动的问题 [#46688](https://github.com/pingcap/tidb/issues/46688) @[lance6716](https://github.com/lance6716) + +## Bug fixes + ++ TiDB **tw@Oreoxmt** + + - 修复读副本选择会可能选到不可用副本的问题 [#46198](https://github.com/pingcap/tidb/issues/46198) @[zyguan](https://github.com/zyguan) + - 修复 Stale Read 和 Schema Cache 不适配导致额外开销的问题 [#43481](https://github.com/pingcap/tidb/issues/43481) @[crazycs520](https://github.com/crazycs520) + ++ TiKV **tw@Oreoxmt** + + - 修复错误: 当tikv一个节点失败时，对应region的peers不应该不正确的进入休眠模式 [#14547](https://github.com/tikv/tikv/issues/14547) @[hicqu](https://github.com/hicqu) + - 当size based split触发时发现没有可以分裂的key时，触发一次手动compaction用来消除过多的MVCC版本 [#15282](https://github.com/tikv/tikv/issues/15282) @[SpadeA-Tang](https://github.com/SpadeA-Tang) + - 修复在线恢复数据时无法处理merge abort的问题 [#15580](https://github.com/tikv/tikv/issues/15580) @[v01dstar](https://github.com/v01dstar) + - 修复PiTR潜在可能被阻塞的问题，当PD和TiKV之间网络隔离时. [#15279](https://github.com/tikv/tikv/issues/15279) @[YuJuncen](https://github.com/YuJuncen) + ++ PD **tw@ran-huang** + + - 修复调度器启动时间长的问题 [#6920](https://github.com/tikv/pd/issues/6920) @[HuSharp](https://github.com/HuSharp) + - 修复 scatter region 处理 leader 和 peer 逻辑不一致的问题 [#6962](https://github.com/tikv/pd/issues/6962) @[bufferflies](https://github.com/bufferflies) + ++ Tools + + + Backup & Restore (BR) **tw@ran-huang** + + - 修复一个 pitr 恢复隐式主键可能冲突的问题 [#46520](https://github.com/pingcap/tidb/issues/46520) @[3pointer](https://github.com/3pointer) + - 修复一个 pitr 恢复 metakv 出错的问题 [#46578](https://github.com/pingcap/tidb/issues/46578) @[Leavrth](https://github.com/Leavrth) + - 修复一个 br 集成测试用例出错的问题 [#45561](https://github.com/pingcap/tidb/issues/46561) @[purelind](https://github.com/purelind) + - (dup): release-7.0.0.md > 错误修复> Tools> Backup & Restore (BR) - 缓解了 Region leadership 迁移导致 PITR 日志备份进度延迟变高的问题 [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen) + + + TiCDC + + - 修复了 PD 节点出现网络隔离时引起 CDC 同步延时变高的问题 [#9565](https://github.com/pingcap/tiflow/issues/9565) + - 修复采用 CSV 格式时将 update 操作错误修改为 insert 的问题 [#9658](https://github.com/pingcap/tiflow/issues/9658) + + - 修复在部分日志中记录了用户密码的问题 [#9690](https://github.com/pingcap/tiflow/issues/9690) + - 修复使用 SASL认证时可能导致 CDC出现 panic 的问题 [#9669](https://github.com/pingcap/tiflow/issues/9669) + - 修复CDC 同步任务在某些特殊场景可能会出现失败的问题 [#9685](https://github.com/pingcap/tiflow/issues/9685)[#9697](https://github.com/pingcap/tiflow/issues/9697)[#9695](https://github.com/pingcap/tiflow/issues/9695)[#9736](https://github.com/pingcap/tiflow/issues/9736) + - 修复上游在 region 非常多时 ，tikv 节点出现故障 CDC 不能同步任务不能快速恢复的问题[#9741](https://github.com/pingcap/tiflow/issues/9741) + + + TiDB Lightning **tw@hfxsd** + + - 修复 TiDB Lightning 在目标服务器部署 TiCDC 时无法启动的问题 [#41040](https://github.com/pingcap/tidb/issues/41040) @[lance6716](https://github.com/lance6716) + - 修复 TiDB Lightning 在 PD 拓扑变更时无法启动的问题 [#46688](https://github.com/pingcap/tidb/issues/46688) @[lance6716](https://github.com/lance6716) + - 修复 TiDB Lightning 在 PD 切换 Leader 后无法继续导入的问题 [#46540](https://github.com/pingcap/tidb/issues/46540) @[lance6716](https://github.com/lance6716) + - (dup): release-6.6.0.md > 错误修复> Tools> TiDB Lightning - 修复 precheck 无法准确检测目标集群是否存在运行中的 TiCDC 的问题 [#41040](https://github.com/pingcap/tidb/issues/41040) @[lance6716](https://github.com/lance6716) From f53216400e90c51621344e82c27cbf2dfe0a0912 Mon Sep 17 00:00:00 2001 From: xixirangrang Date: Mon, 18 Sep 2023 10:58:24 +0800 Subject: [PATCH 02/22] Apply suggestions from code review --- releases/release-6.5.5.md | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 6e9a81a33ad37..474af662945f1 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -57,31 +57,31 @@ TiDB version: 6.5.5 + PD **tw@ran-huang** - - 修复调度器启动时间长的问题 [#6920](https://github.com/tikv/pd/issues/6920) @[HuSharp](https://github.com/HuSharp) - - 修复 scatter region 处理 leader 和 peer 逻辑不一致的问题 [#6962](https://github.com/tikv/pd/issues/6962) @[bufferflies](https://github.com/bufferflies) + - Fix the issue that the scheduler takes a long time to start up [#6920](https://github.com/tikv/pd/issues/6920) @[HuSharp](https://github.com/HuSharp) + - Fix the issue that the logic for handling Leaders and Peers in Scatter Region is inconsistent [#6962](https://github.com/tikv/pd/issues/6962) @[bufferflies](https://github.com/bufferflies) + Tools + Backup & Restore (BR) **tw@ran-huang** - - 修复一个 pitr 恢复隐式主键可能冲突的问题 [#46520](https://github.com/pingcap/tidb/issues/46520) @[3pointer](https://github.com/3pointer) - - 修复一个 pitr 恢复 metakv 出错的问题 [#46578](https://github.com/pingcap/tidb/issues/46578) @[Leavrth](https://github.com/Leavrth) - - 修复一个 br 集成测试用例出错的问题 [#45561](https://github.com/pingcap/tidb/issues/46561) @[purelind](https://github.com/purelind) - - (dup): release-7.0.0.md > 错误修复> Tools> Backup & Restore (BR) - 缓解了 Region leadership 迁移导致 PITR 日志备份进度延迟变高的问题 [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen) + - Fix the issue that restoring implicit primary keys by PITR might lead to conflicts [#46520](https://github.com/pingcap/tidb/issues/46520) @[3pointer](https://github.com/3pointer) + - Fix the issue that an error occurs when PITR recovers the meta-kv [#46578](https://github.com/pingcap/tidb/issues/46578) @[Leavrth](https://github.com/Leavrth) + - Fix the issue of wrong integration test cases in br [#45561](https://github.com/pingcap/tidb/issues/46561) @[purelind](https://github.com/purelind) + - (dup): release-7.0.0.md > 错误修复> Tools> Backup & Restore (BR) - Alleviate the issue that the latency of the PITR log backup progress increases when Region leadership migration occurs [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen) + TiCDC - - 修复了 PD 节点出现网络隔离时引起 CDC 同步延时变高的问题 [#9565](https://github.com/pingcap/tiflow/issues/9565) - - 修复采用 CSV 格式时将 update 操作错误修改为 insert 的问题 [#9658](https://github.com/pingcap/tiflow/issues/9658) + - Fix the issue of high TiCDC replication latency caused by network isolation of PD nodes [#9565](https://github.com/pingcap/tiflow/issues/9565) + - Fix the issue that TiCDC incorrectly changes the `UPDATE` operation to `INSERT` when using the CSV format [#9658](https://github.com/pingcap/tiflow/issues/9658) - - 修复在部分日志中记录了用户密码的问题 [#9690](https://github.com/pingcap/tiflow/issues/9690) - - 修复使用 SASL认证时可能导致 CDC出现 panic 的问题 [#9669](https://github.com/pingcap/tiflow/issues/9669) - - 修复CDC 同步任务在某些特殊场景可能会出现失败的问题 [#9685](https://github.com/pingcap/tiflow/issues/9685)[#9697](https://github.com/pingcap/tiflow/issues/9697)[#9695](https://github.com/pingcap/tiflow/issues/9695)[#9736](https://github.com/pingcap/tiflow/issues/9736) - - 修复上游在 region 非常多时 ，tikv 节点出现故障 CDC 不能同步任务不能快速恢复的问题[#9741](https://github.com/pingcap/tiflow/issues/9741) + - Fix the issue that user passwords are recorded in some logs [#9690](https://github.com/pingcap/tiflow/issues/9690) + - Fix the issue that using the SASL authentication might cause TiCDC to panic [#9669](https://github.com/pingcap/tiflow/issues/9669) + - Fix the issue that TiCDC replication tasks might fail in some scenarios [#9685](https://github.com/pingcap/tiflow/issues/9685)[#9697](https://github.com/pingcap/tiflow/issues/9697)[#9695](https://github.com/pingcap/tiflow/issues/9695)[#9736](https://github.com/pingcap/tiflow/issues/9736) + - Fix the issue that TiCDC cannot replicate tasks and recover quickly from TiKV node failures when there are a lot of Regions upstream [#9741](https://github.com/pingcap/tiflow/issues/9741) + TiDB Lightning **tw@hfxsd** - - 修复 TiDB Lightning 在目标服务器部署 TiCDC 时无法启动的问题 [#41040](https://github.com/pingcap/tidb/issues/41040) @[lance6716](https://github.com/lance6716) - - 修复 TiDB Lightning 在 PD 拓扑变更时无法启动的问题 [#46688](https://github.com/pingcap/tidb/issues/46688) @[lance6716](https://github.com/lance6716) - - 修复 TiDB Lightning 在 PD 切换 Leader 后无法继续导入的问题 [#46540](https://github.com/pingcap/tidb/issues/46540) @[lance6716](https://github.com/lance6716) - - (dup): release-6.6.0.md > 错误修复> Tools> TiDB Lightning - 修复 precheck 无法准确检测目标集群是否存在运行中的 TiCDC 的问题 [#41040](https://github.com/pingcap/tidb/issues/41040) @[lance6716](https://github.com/lance6716) + - Fix the issue that TiDB Lightning fails to start when TiCDC is deployed on the target server [#41040](https://github.com/pingcap/tidb/issues/41040) @[lance6716](https://github.com/lance6716) + - Fix the issue that TiDB Lightning fails to start when PD topology is changed [#46688](https://github.com/pingcap/tidb/issues/46688) @[lance6716](https://github.com/lance6716) + - Fix the issue that TiDB Lightning cannot continue importing data after PD switching Leaders [#46540](https://github.com/pingcap/tidb/issues/46540) @[lance6716](https://github.com/lance6716) + - (dup): release-6.6.0.md > 错误修复> Tools> TiDB Lightning - Fix the issue that precheck cannot accurately detect the presence of a running TiCDC in the target cluster [#41040](https://github.com/pingcap/tidb/issues/41040) @[lance6716](https://github.com/lance6716) From 20aa8f80c11c7f60e803eaf344f710e1bc4ccfed Mon Sep 17 00:00:00 2001 From: Grace Cai Date: Mon, 18 Sep 2023 11:34:03 +0800 Subject: [PATCH 03/22] add translation --- releases/release-6.5.5.md | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 474af662945f1..e7bf4be84dda6 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -16,19 +16,19 @@ TiDB version: 6.5.5 + TiDB **tw@qiancai** - 支持从高版本回退到 6.5 [#45570](https://github.com/pingcap/tidb/issues/45570) @[wjhuang2016](https://github.com/wjhuang2016) - - (dup): release-7.3.0.md > # 稳定性 * 新增部分优化器提示 [#45520](https://github.com/pingcap/tidb/issues/45520) @[qw4990](https://github.com/qw4990) - - 添加 coprocessor 相关 request source 信息 [#46514](https://github.com/pingcap/tidb/issues/46514) @[you06](https://github.com/you06) + - (dup): release-7.3.0.md > # Reliability - Add new optimizer hints, including [`NO_MERGE_JOIN()`], [`NO_INDEX_JOIN()`](/optimizer-hints.md#no_index_joint1_name--tl_name-), [`NO_INDEX_MERGE_JOIN()`](/optimizer-hints.md#no_index_merge_joint1_name--tl_name-), [`NO_HASH_JOIN()`](/optimizer-hints.md#no_hash_joint1_name--tl_name-), and [`NO_INDEX_HASH_JOIN()`](/optimizer-hints.md#no_index_hash_joint1_name--tl_name-) [#45520](https://github.com/pingcap/tidb/issues/45520) @[qw4990](https://github.com/qw4990) + - Add request source information related to the coprocessor [#46514](https://github.com/pingcap/tidb/issues/46514) @[you06](https://github.com/you06) + TiKV **tw@qiancai** - - 增加 pd-client中连接重试过程中backoff的功能，减小PD压力 [#15428](https://github.com/tikv/tikv/issues/15428) @[nolouch](https://github.com/nolouch) - - Titan：避免写Titan manifest文件时持有锁 [#15351](https://github.com/tikv/tikv/issues/15351) @[Connor1996](https://github.com/Connor1996) - - 压缩check_leader请求. [#14839](https://github.com/tikv/tikv/issues/14839) @[you06](https://github.com/you06) - - 增加snapshot相关的监控 [#15401](https://github.com/tikv/tikv/issues/15401) @[SpadeA-Tang](https://github.com/SpadeA-Tang) - - 当leader转移时提高PiTR checkpoint lag的稳定性. [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen) - - 增加safe-ts相关的日志和监控 [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) - - 更多resolved-ts相关的日志和监控. [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) - - (dup): release-7.3.0.md > 改进提升> TiKV - 添加 `Max gap of safe-ts` 和 `Min safe ts region` 监控项以及 `tikv-ctl get_region_read_progress` 命令，用于更好地观测和诊断 resolved-ts 和 safe-ts 的状态 [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) + - Add the backoff mechanism for the PD client in the process of connection retries, which gradually increases retry intervals during error retries to reduce PD pressure [#15428](https://github.com/tikv/tikv/issues/15428) @[nolouch](https://github.com/nolouch) + - Avoid holding mutex when writing Titan manifest files to prevent affecting other threads [#15351](https://github.com/tikv/tikv/issues/15351) @[Connor1996](https://github.com/Connor1996) + - Compress check_leader requests to save request traffic [#14839](https://github.com/tikv/tikv/issues/14839) @[you06](https://github.com/you06) + - Add monitoring metrics for snapshots [#15401](https://github.com/tikv/tikv/issues/15401) @[SpadeA-Tang](https://github.com/SpadeA-Tang) + - Improve stability of PiTR checkpoint lag during leader transfers [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen) + - Add logs and monitoring metrics related to `safe-ts` [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) + - Provide more logs and monitoring metrics for `resolved-ts` [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) + - (dup): release-7.3.0.md > Improvements> TiKV - Add the `Max gap of safe-ts` and `Min safe ts region` metrics and introduce the `tikv-ctl get-region-read-progress` command to better observe and diagnose the status of `resolved-ts` and `safe-ts` [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) + Tools **tw@Oreoxmt** From 0d976038a1e6b910006ecaa19d28ea6c3a2c1ffa Mon Sep 17 00:00:00 2001 From: Grace Cai Date: Mon, 18 Sep 2023 11:34:15 +0800 Subject: [PATCH 04/22] Update releases/release-6.5.5.md --- releases/release-6.5.5.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index e7bf4be84dda6..98c2f886a4e22 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -15,7 +15,7 @@ TiDB version: 6.5.5 + TiDB **tw@qiancai** - - 支持从高版本回退到 6.5 [#45570](https://github.com/pingcap/tidb/issues/45570) @[wjhuang2016](https://github.com/wjhuang2016) + - Support downgrading TiDB from a later version to v6.5 [#45570](https://github.com/pingcap/tidb/issues/45570) @[wjhuang2016](https://github.com/wjhuang2016) - (dup): release-7.3.0.md > # Reliability - Add new optimizer hints, including [`NO_MERGE_JOIN()`], [`NO_INDEX_JOIN()`](/optimizer-hints.md#no_index_joint1_name--tl_name-), [`NO_INDEX_MERGE_JOIN()`](/optimizer-hints.md#no_index_merge_joint1_name--tl_name-), [`NO_HASH_JOIN()`](/optimizer-hints.md#no_hash_joint1_name--tl_name-), and [`NO_INDEX_HASH_JOIN()`](/optimizer-hints.md#no_index_hash_joint1_name--tl_name-) [#45520](https://github.com/pingcap/tidb/issues/45520) @[qw4990](https://github.com/qw4990) - Add request source information related to the coprocessor [#46514](https://github.com/pingcap/tidb/issues/46514) @[you06](https://github.com/you06) From 0fd9f6153037a04f5eaa94daaa823d386ddf93f4 Mon Sep 17 00:00:00 2001 From: Grace Cai Date: Mon, 18 Sep 2023 12:03:49 +0800 Subject: [PATCH 05/22] Apply suggestions from code review --- releases/release-6.5.5.md | 2 -- 1 file changed, 2 deletions(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 98c2f886a4e22..679295cdd545a 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -23,12 +23,10 @@ TiDB version: 6.5.5 - Add the backoff mechanism for the PD client in the process of connection retries, which gradually increases retry intervals during error retries to reduce PD pressure [#15428](https://github.com/tikv/tikv/issues/15428) @[nolouch](https://github.com/nolouch) - Avoid holding mutex when writing Titan manifest files to prevent affecting other threads [#15351](https://github.com/tikv/tikv/issues/15351) @[Connor1996](https://github.com/Connor1996) - - Compress check_leader requests to save request traffic [#14839](https://github.com/tikv/tikv/issues/14839) @[you06](https://github.com/you06) - Add monitoring metrics for snapshots [#15401](https://github.com/tikv/tikv/issues/15401) @[SpadeA-Tang](https://github.com/SpadeA-Tang) - Improve stability of PiTR checkpoint lag during leader transfers [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen) - Add logs and monitoring metrics related to `safe-ts` [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) - Provide more logs and monitoring metrics for `resolved-ts` [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) - - (dup): release-7.3.0.md > Improvements> TiKV - Add the `Max gap of safe-ts` and `Min safe ts region` metrics and introduce the `tikv-ctl get-region-read-progress` command to better observe and diagnose the status of `resolved-ts` and `safe-ts` [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) + Tools **tw@Oreoxmt** From a39b7f38784b87febf7e902cd2adc27d47fc1c61 Mon Sep 17 00:00:00 2001 From: qiancai Date: Mon, 18 Sep 2023 14:38:53 +0800 Subject: [PATCH 06/22] add #15351 for v6.5.4 --- releases/release-6.5.4.md | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/releases/release-6.5.4.md b/releases/release-6.5.4.md index a5776c5dcf987..16841d995a50c 100644 --- a/releases/release-6.5.4.md +++ b/releases/release-6.5.4.md @@ -17,17 +17,18 @@ Quick access: [Quick start](https://docs.pingcap.com/tidb/v6.5/quick-start-with- ## Improvements -+ TiDB ++ TiDB - Optimize the performance of `LOAD DATA` statements that contain assignment expressions [#46081](https://github.com/pingcap/tidb/issues/46081) @[gengliqi](https://github.com/gengliqi) - Optimize the performance of reading the dumped chunks from disk [#45125](https://github.com/pingcap/tidb/issues/45125) @[YangKeao](https://github.com/YangKeao) - Add a `halt-scheduling` configuration item to suspend PD scheduling [#6493](https://github.com/tikv/pd/issues/6493) @[JmPotato](https://github.com/JmPotato) - + + TiKV - Use gzip compression for `check_leader` requests to reduce traffic [#14553](https://github.com/tikv/tikv/issues/14553) @[you06](https://github.com/you06) - Add the `Max gap of safe-ts` and `Min safe ts region` metrics and introduce the `tikv-ctl get-region-read-progress` command to better observe and diagnose the status of resolved-ts and safe-ts [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) - Expose some RocksDB configurations in TiKV that allow users to disable features such as TTL and periodic compaction [#14873](https://github.com/tikv/tikv/issues/14873) @[LykxSassinator](https://github.com/LykxSassinator) + - Avoid holding mutex when writing Titan manifest files to prevent affecting other threads [#15351](https://github.com/tikv/tikv/issues/15351) @[Connor1996](https://github.com/Connor1996) + PD From 073e981626b02b018733ca40c41d975325bb99ad Mon Sep 17 00:00:00 2001 From: Grace Cai Date: Mon, 18 Sep 2023 14:40:20 +0800 Subject: [PATCH 07/22] Update releases/release-6.5.5.md --- releases/release-6.5.5.md | 1 - 1 file changed, 1 deletion(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 679295cdd545a..34b0cccd459bb 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -22,7 +22,6 @@ TiDB version: 6.5.5 + TiKV **tw@qiancai** - Add the backoff mechanism for the PD client in the process of connection retries, which gradually increases retry intervals during error retries to reduce PD pressure [#15428](https://github.com/tikv/tikv/issues/15428) @[nolouch](https://github.com/nolouch) - - Avoid holding mutex when writing Titan manifest files to prevent affecting other threads [#15351](https://github.com/tikv/tikv/issues/15351) @[Connor1996](https://github.com/Connor1996) - Add monitoring metrics for snapshots [#15401](https://github.com/tikv/tikv/issues/15401) @[SpadeA-Tang](https://github.com/SpadeA-Tang) - Improve stability of PiTR checkpoint lag during leader transfers [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen) - Add logs and monitoring metrics related to `safe-ts` [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) From 8b6de3dc3270bad5c7ca6c7a12424d00eb4392ba Mon Sep 17 00:00:00 2001 From: Grace Cai Date: Mon, 18 Sep 2023 14:52:54 +0800 Subject: [PATCH 08/22] Update releases/release-6.5.5.md --- releases/release-6.5.5.md | 1 - 1 file changed, 1 deletion(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 34b0cccd459bb..3de3de3e96fdf 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -15,7 +15,6 @@ TiDB version: 6.5.5 + TiDB **tw@qiancai** - - Support downgrading TiDB from a later version to v6.5 [#45570](https://github.com/pingcap/tidb/issues/45570) @[wjhuang2016](https://github.com/wjhuang2016) - (dup): release-7.3.0.md > # Reliability - Add new optimizer hints, including [`NO_MERGE_JOIN()`], [`NO_INDEX_JOIN()`](/optimizer-hints.md#no_index_joint1_name--tl_name-), [`NO_INDEX_MERGE_JOIN()`](/optimizer-hints.md#no_index_merge_joint1_name--tl_name-), [`NO_HASH_JOIN()`](/optimizer-hints.md#no_hash_joint1_name--tl_name-), and [`NO_INDEX_HASH_JOIN()`](/optimizer-hints.md#no_index_hash_joint1_name--tl_name-) [#45520](https://github.com/pingcap/tidb/issues/45520) @[qw4990](https://github.com/qw4990) - Add request source information related to the coprocessor [#46514](https://github.com/pingcap/tidb/issues/46514) @[you06](https://github.com/you06) From 2d90df47990008e1f94e45178c3b1758813670c2 Mon Sep 17 00:00:00 2001 From: Aolin Date: Mon, 18 Sep 2023 14:55:32 +0800 Subject: [PATCH 09/22] translate BR, TiDB, and TiKV Signed-off-by: Aolin --- releases/release-6.5.5.md | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 3de3de3e96fdf..81624d4ee402c 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -30,26 +30,24 @@ TiDB version: 6.5.5 + Backup & Restore (BR) - - 减少日志备份 resolve lock 的 cpu 开销 [40759](https://github.com/pingcap/tidb/issues/40759) @[3pointer](https://github.com/3pointer) + - Reduce the CPU overhead of log backup `resolve lock` [#40759](https://github.com/pingcap/tidb/issues/40759) @[3pointer](https://github.com/3pointer) + TiDB Lightning - - 修复 TiDB Lightning 在目标服务器部署 TiCDC 时无法启动的问题 [#41040](https://github.com/pingcap/tidb/issues/41040) @[lance6716](https://github.com/lance6716) - - 修复 TiDB Lightning 在 PD 拓扑变更时无法启动的问题 [#46688](https://github.com/pingcap/tidb/issues/46688) @[lance6716](https://github.com/lance6716) - ## Bug fixes + TiDB **tw@Oreoxmt** - - 修复读副本选择会可能选到不可用副本的问题 [#46198](https://github.com/pingcap/tidb/issues/46198) @[zyguan](https://github.com/zyguan) - - 修复 Stale Read 和 Schema Cache 不适配导致额外开销的问题 [#43481](https://github.com/pingcap/tidb/issues/43481) @[crazycs520](https://github.com/crazycs520) + - Fix the issue that Stale Read might select an unavailable replica [#46198](https://github.com/pingcap/tidb/issues/46198) @[zyguan](https://github.com/zyguan) + - Fix the issue that additional overhead is incurred due to the incompatibility between Stale Read and Schema Cache [#43481](https://github.com/pingcap/tidb/issues/43481) @[crazycs520](https://github.com/crazycs520) + TiKV **tw@Oreoxmt** - - 修复错误: 当tikv一个节点失败时，对应region的peers不应该不正确的进入休眠模式 [#14547](https://github.com/tikv/tikv/issues/14547) @[hicqu](https://github.com/hicqu) - - 当size based split触发时发现没有可以分裂的key时，触发一次手动compaction用来消除过多的MVCC版本 [#15282](https://github.com/tikv/tikv/issues/15282) @[SpadeA-Tang](https://github.com/SpadeA-Tang) - - 修复在线恢复数据时无法处理merge abort的问题 [#15580](https://github.com/tikv/tikv/issues/15580) @[v01dstar](https://github.com/v01dstar) - - 修复PiTR潜在可能被阻塞的问题，当PD和TiKV之间网络隔离时. [#15279](https://github.com/tikv/tikv/issues/15279) @[YuJuncen](https://github.com/YuJuncen) + - Fix the issue that the peers of the corresponding Region mistakenly hibernate when a TiKV node fails [#14547](https://github.com/tikv/tikv/issues/14547) @[hicqu](https://github.com/hicqu) + - Fix the issue that TiKV fails to start when Titan is enabled and the `Blob file deleted twice` error occurs [#15454](https://github.com/tikv/tikv/issues/15454) @[Connor1996](https://github.com/Connor1996) + - Optimize the compaction mechanism: when a Region is split, if there is no key to split, a compaction is triggered to eliminate excessive MVCC versions [#15282](https://github.com/tikv/tikv/issues/15282) @[SpadeA-Tang](https://github.com/SpadeA-Tang) + - Fix the issue that Online Unsafe Recovery cannot handle merge abort [#15580](https://github.com/tikv/tikv/issues/15580) @[v01dstar](https://github.com/v01dstar) + - Fix the issue that network interruption between PD and TiKV might cause PITR to get stuck [#15279](https://github.com/tikv/tikv/issues/15279) @[YuJuncen](https://github.com/YuJuncen) + PD **tw@ran-huang** From 40aa6eb514f66e33519c6bacae5074cbcd5a462b Mon Sep 17 00:00:00 2001 From: xixirangrang Date: Mon, 18 Sep 2023 16:11:58 +0800 Subject: [PATCH 10/22] Apply suggestions from code review Co-authored-by: Grace Cai --- releases/release-6.5.5.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 81624d4ee402c..54aaa2d505cb8 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -60,7 +60,7 @@ TiDB version: 6.5.5 - Fix the issue that restoring implicit primary keys by PITR might lead to conflicts [#46520](https://github.com/pingcap/tidb/issues/46520) @[3pointer](https://github.com/3pointer) - Fix the issue that an error occurs when PITR recovers the meta-kv [#46578](https://github.com/pingcap/tidb/issues/46578) @[Leavrth](https://github.com/Leavrth) - - Fix the issue of wrong integration test cases in br [#45561](https://github.com/pingcap/tidb/issues/46561) @[purelind](https://github.com/purelind) + - Fix an error in BR integration test cases [#45561](https://github.com/pingcap/tidb/issues/46561) @[purelind](https://github.com/purelind) - (dup): release-7.0.0.md > 错误修复> Tools> Backup & Restore (BR) - Alleviate the issue that the latency of the PITR log backup progress increases when Region leadership migration occurs [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen) + TiCDC @@ -70,7 +70,7 @@ TiDB version: 6.5.5 - Fix the issue that user passwords are recorded in some logs [#9690](https://github.com/pingcap/tiflow/issues/9690) - Fix the issue that using the SASL authentication might cause TiCDC to panic [#9669](https://github.com/pingcap/tiflow/issues/9669) - - Fix the issue that TiCDC replication tasks might fail in some scenarios [#9685](https://github.com/pingcap/tiflow/issues/9685)[#9697](https://github.com/pingcap/tiflow/issues/9697)[#9695](https://github.com/pingcap/tiflow/issues/9695)[#9736](https://github.com/pingcap/tiflow/issues/9736) + - Fix the issue that TiCDC replication tasks might fail in some corner cases [#9685](https://github.com/pingcap/tiflow/issues/9685)[#9697](https://github.com/pingcap/tiflow/issues/9697)[#9695](https://github.com/pingcap/tiflow/issues/9695)[#9736](https://github.com/pingcap/tiflow/issues/9736) - Fix the issue that TiCDC cannot replicate tasks and recover quickly from TiKV node failures when there are a lot of Regions upstream [#9741](https://github.com/pingcap/tiflow/issues/9741) + TiDB Lightning **tw@hfxsd** From d5a6410ce164a9e57c496b095ddb0725b4575c29 Mon Sep 17 00:00:00 2001 From: Grace Cai Date: Mon, 18 Sep 2023 17:52:42 +0800 Subject: [PATCH 11/22] Update releases/release-6.5.5.md Co-authored-by: xixirangrang --- releases/release-6.5.5.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 54aaa2d505cb8..0eea17f79b86f 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -22,8 +22,8 @@ TiDB version: 6.5.5 - Add the backoff mechanism for the PD client in the process of connection retries, which gradually increases retry intervals during error retries to reduce PD pressure [#15428](https://github.com/tikv/tikv/issues/15428) @[nolouch](https://github.com/nolouch) - Add monitoring metrics for snapshots [#15401](https://github.com/tikv/tikv/issues/15401) @[SpadeA-Tang](https://github.com/SpadeA-Tang) - - Improve stability of PiTR checkpoint lag during leader transfers [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen) - - Add logs and monitoring metrics related to `safe-ts` [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) + - Improve stability of PITR checkpoint lag during leader transfers [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen) + - Add logs and monitoring metrics related to `safe-ts` [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) - Provide more logs and monitoring metrics for `resolved-ts` [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) + Tools **tw@Oreoxmt** From 66c48802be0c8599f75aa4f3a6d6de2ea5ce6263 Mon Sep 17 00:00:00 2001 From: xixirangrang Date: Tue, 19 Sep 2023 14:32:36 +0800 Subject: [PATCH 12/22] Update release-6.5.5.md --- releases/release-6.5.5.md | 29 +++++++++++++---------------- 1 file changed, 13 insertions(+), 16 deletions(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 0eea17f79b86f..90cedfff0e68e 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -9,16 +9,16 @@ Release date: xx, 2023 TiDB version: 6.5.5 -试用链接：[快速体验](https://docs.pingcap.com/zh/tidb/v6.5/quick-start-with-tidb) | [生产部署](https://docs.pingcap.com/zh/tidb/v6.5/production-deployment-using-tiup) | [下载离线包](https://cn.pingcap.com/product-community/?version=v6.5.5#version-list) +Quick access: [Quick start](https://docs.pingcap.com/tidb/v6.5/quick-start-with-tidb) | [Production deployment](https://docs.pingcap.com/tidb/v6.5/production-deployment-using-tiup) | [Installation packages](https://www.pingcap.com/download/?version=v6.5.5#version-list) ## Improvements -+ TiDB **tw@qiancai** ++ TiDB - - (dup): release-7.3.0.md > # Reliability - Add new optimizer hints, including [`NO_MERGE_JOIN()`], [`NO_INDEX_JOIN()`](/optimizer-hints.md#no_index_joint1_name--tl_name-), [`NO_INDEX_MERGE_JOIN()`](/optimizer-hints.md#no_index_merge_joint1_name--tl_name-), [`NO_HASH_JOIN()`](/optimizer-hints.md#no_hash_joint1_name--tl_name-), and [`NO_INDEX_HASH_JOIN()`](/optimizer-hints.md#no_index_hash_joint1_name--tl_name-) [#45520](https://github.com/pingcap/tidb/issues/45520) @[qw4990](https://github.com/qw4990) + - Add new optimizer hints, including [`NO_MERGE_JOIN()`], [`NO_INDEX_JOIN()`](/optimizer-hints.md#no_index_joint1_name--tl_name-), [`NO_INDEX_MERGE_JOIN()`](/optimizer-hints.md#no_index_merge_joint1_name--tl_name-), [`NO_HASH_JOIN()`](/optimizer-hints.md#no_hash_joint1_name--tl_name-), and [`NO_INDEX_HASH_JOIN()`](/optimizer-hints.md#no_index_hash_joint1_name--tl_name-) [#45520](https://github.com/pingcap/tidb/issues/45520) @[qw4990](https://github.com/qw4990) - Add request source information related to the coprocessor [#46514](https://github.com/pingcap/tidb/issues/46514) @[you06](https://github.com/you06) -+ TiKV **tw@qiancai** ++ TiKV - Add the backoff mechanism for the PD client in the process of connection retries, which gradually increases retry intervals during error retries to reduce PD pressure [#15428](https://github.com/tikv/tikv/issues/15428) @[nolouch](https://github.com/nolouch) - Add monitoring metrics for snapshots [#15401](https://github.com/tikv/tikv/issues/15401) @[SpadeA-Tang](https://github.com/SpadeA-Tang) @@ -26,22 +26,20 @@ TiDB version: 6.5.5 - Add logs and monitoring metrics related to `safe-ts` [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) - Provide more logs and monitoring metrics for `resolved-ts` [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) -+ Tools **tw@Oreoxmt** ++ Tools + Backup & Restore (BR) - Reduce the CPU overhead of log backup `resolve lock` [#40759](https://github.com/pingcap/tidb/issues/40759) @[3pointer](https://github.com/3pointer) - + TiDB Lightning - ## Bug fixes -+ TiDB **tw@Oreoxmt** ++ TiDB - Fix the issue that Stale Read might select an unavailable replica [#46198](https://github.com/pingcap/tidb/issues/46198) @[zyguan](https://github.com/zyguan) - Fix the issue that additional overhead is incurred due to the incompatibility between Stale Read and Schema Cache [#43481](https://github.com/pingcap/tidb/issues/43481) @[crazycs520](https://github.com/crazycs520) -+ TiKV **tw@Oreoxmt** ++ TiKV - Fix the issue that the peers of the corresponding Region mistakenly hibernate when a TiKV node fails [#14547](https://github.com/tikv/tikv/issues/14547) @[hicqu](https://github.com/hicqu) - Fix the issue that TiKV fails to start when Titan is enabled and the `Blob file deleted twice` error occurs [#15454](https://github.com/tikv/tikv/issues/15454) @[Connor1996](https://github.com/Connor1996) @@ -49,33 +47,32 @@ TiDB version: 6.5.5 - Fix the issue that Online Unsafe Recovery cannot handle merge abort [#15580](https://github.com/tikv/tikv/issues/15580) @[v01dstar](https://github.com/v01dstar) - Fix the issue that network interruption between PD and TiKV might cause PITR to get stuck [#15279](https://github.com/tikv/tikv/issues/15279) @[YuJuncen](https://github.com/YuJuncen) -+ PD **tw@ran-huang** ++ PD - Fix the issue that the scheduler takes a long time to start up [#6920](https://github.com/tikv/pd/issues/6920) @[HuSharp](https://github.com/HuSharp) - Fix the issue that the logic for handling Leaders and Peers in Scatter Region is inconsistent [#6962](https://github.com/tikv/pd/issues/6962) @[bufferflies](https://github.com/bufferflies) + Tools - + Backup & Restore (BR) **tw@ran-huang** + + Backup & Restore (BR) - Fix the issue that restoring implicit primary keys by PITR might lead to conflicts [#46520](https://github.com/pingcap/tidb/issues/46520) @[3pointer](https://github.com/3pointer) - Fix the issue that an error occurs when PITR recovers the meta-kv [#46578](https://github.com/pingcap/tidb/issues/46578) @[Leavrth](https://github.com/Leavrth) - Fix an error in BR integration test cases [#45561](https://github.com/pingcap/tidb/issues/46561) @[purelind](https://github.com/purelind) - - (dup): release-7.0.0.md > 错误修复> Tools> Backup & Restore (BR) - Alleviate the issue that the latency of the PITR log backup progress increases when Region leadership migration occurs [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen) + - Alleviate the issue that the latency of the PITR log backup progress increases when Region leadership migration occurs [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen) + TiCDC - Fix the issue of high TiCDC replication latency caused by network isolation of PD nodes [#9565](https://github.com/pingcap/tiflow/issues/9565) - Fix the issue that TiCDC incorrectly changes the `UPDATE` operation to `INSERT` when using the CSV format [#9658](https://github.com/pingcap/tiflow/issues/9658) - - Fix the issue that user passwords are recorded in some logs [#9690](https://github.com/pingcap/tiflow/issues/9690) - Fix the issue that using the SASL authentication might cause TiCDC to panic [#9669](https://github.com/pingcap/tiflow/issues/9669) - Fix the issue that TiCDC replication tasks might fail in some corner cases [#9685](https://github.com/pingcap/tiflow/issues/9685)[#9697](https://github.com/pingcap/tiflow/issues/9697)[#9695](https://github.com/pingcap/tiflow/issues/9695)[#9736](https://github.com/pingcap/tiflow/issues/9736) - Fix the issue that TiCDC cannot replicate tasks and recover quickly from TiKV node failures when there are a lot of Regions upstream [#9741](https://github.com/pingcap/tiflow/issues/9741) - - + TiDB Lightning **tw@hfxsd** + + + TiDB Lightning - Fix the issue that TiDB Lightning fails to start when TiCDC is deployed on the target server [#41040](https://github.com/pingcap/tidb/issues/41040) @[lance6716](https://github.com/lance6716) - Fix the issue that TiDB Lightning fails to start when PD topology is changed [#46688](https://github.com/pingcap/tidb/issues/46688) @[lance6716](https://github.com/lance6716) - Fix the issue that TiDB Lightning cannot continue importing data after PD switching Leaders [#46540](https://github.com/pingcap/tidb/issues/46540) @[lance6716](https://github.com/lance6716) - - (dup): release-6.6.0.md > 错误修复> Tools> TiDB Lightning - Fix the issue that precheck cannot accurately detect the presence of a running TiCDC in the target cluster [#41040](https://github.com/pingcap/tidb/issues/41040) @[lance6716](https://github.com/lance6716) + - Fix the issue that precheck cannot accurately detect the presence of a running TiCDC in the target cluster [#41040](https://github.com/pingcap/tidb/issues/41040) @[lance6716](https://github.com/lance6716) From 2ede59c01239a496ac625f73e6a997af62c7ac7d Mon Sep 17 00:00:00 2001 From: xixirangrang <35301108+hfxsd@users.noreply.github.com> Date: Tue, 19 Sep 2023 14:59:34 +0800 Subject: [PATCH 13/22] add date --- releases/release-6.5.5.md | 2 +- releases/release-notes.md | 1 + releases/release-timeline.md | 1 + 3 files changed, 3 insertions(+), 1 deletion(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 90cedfff0e68e..7a49405a25f56 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -5,7 +5,7 @@ summary: Learn about the compatibility changes, improvements, and bug fixes in T # TiDB 6.5.5 Release Notes -Release date: xx, 2023 +Release date: September 21, 2023 TiDB version: 6.5.5 diff --git a/releases/release-notes.md b/releases/release-notes.md index 5347652cf703f..63253d6242d35 100644 --- a/releases/release-notes.md +++ b/releases/release-notes.md @@ -27,6 +27,7 @@ title: Release Notes ## 6.5 +- [6.5.5](/releases/release-6.5.5.md): 2023-09-21 - [6.5.4](/releases/release-6.5.4.md): 2023-08-28 - [6.5.3](/releases/release-6.5.3.md): 2023-06-14 - [6.5.2](/releases/release-6.5.2.md): 2023-04-21 diff --git a/releases/release-timeline.md b/releases/release-timeline.md index cade528c3f63a..2d356a4ce5213 100644 --- a/releases/release-timeline.md +++ b/releases/release-timeline.md @@ -9,6 +9,7 @@ This document shows all the released TiDB versions in reverse chronological orde | Version | Release Date | | :--- | :--- | +| [6.5.5](/releases/release-6.5.5.md) | 2023-09-21 | | [6.5.4](/releases/release-6.5.4.md) | 2023-08-28 | | [7.3.0-DMR](/releases/release-7.3.0.md) | 2023-08-14 | | [7.1.1](/releases/release-7.1.1.md) | 2023-07-24 | From 827f344d3829795f4b3b6f0b899bd8f243e94369 Mon Sep 17 00:00:00 2001 From: xixirangrang <35301108+hfxsd@users.noreply.github.com> Date: Tue, 19 Sep 2023 15:00:29 +0800 Subject: [PATCH 14/22] Update TOC.md --- TOC.md | 1 + 1 file changed, 1 insertion(+) diff --git a/TOC.md b/TOC.md index 4814ecf7d6541..c3d896f516e6d 100644 --- a/TOC.md +++ b/TOC.md @@ -1018,6 +1018,7 @@ - v6.6 - [6.6.0-DMR](/releases/release-6.6.0.md) - v6.5 + - [6.5.5](/releases/release-6.5.5.md) - [6.5.4](/releases/release-6.5.4.md) - [6.5.3](/releases/release-6.5.3.md) - [6.5.2](/releases/release-6.5.2.md) From e82596e12c3803cbc45906ed2e695e20fc3ce609 Mon Sep 17 00:00:00 2001 From: xixirangrang Date: Tue, 19 Sep 2023 15:08:31 +0800 Subject: [PATCH 15/22] Update releases/release-6.5.5.md --- releases/release-6.5.5.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 7a49405a25f56..07ffafc7a0cda 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -68,7 +68,7 @@ Quick access: [Quick start](https://docs.pingcap.com/tidb/v6.5/quick-start-with- - Fix the issue that user passwords are recorded in some logs [#9690](https://github.com/pingcap/tiflow/issues/9690) - Fix the issue that using the SASL authentication might cause TiCDC to panic [#9669](https://github.com/pingcap/tiflow/issues/9669) - Fix the issue that TiCDC replication tasks might fail in some corner cases [#9685](https://github.com/pingcap/tiflow/issues/9685)[#9697](https://github.com/pingcap/tiflow/issues/9697)[#9695](https://github.com/pingcap/tiflow/issues/9695)[#9736](https://github.com/pingcap/tiflow/issues/9736) - - Fix the issue that TiCDC cannot replicate tasks and recover quickly from TiKV node failures when there are a lot of Regions upstream [#9741](https://github.com/pingcap/tiflow/issues/9741) + - Fix the issue that TiCDC cannot recover quickly from TiKV node failures when there are a lot of Regions upstream [#9741](https://github.com/pingcap/tiflow/issues/9741) + TiDB Lightning From 126dc94745b3184c25903240fe8a3e0d09d220fa Mon Sep 17 00:00:00 2001 From: xixirangrang Date: Tue, 19 Sep 2023 19:05:38 +0800 Subject: [PATCH 16/22] Update releases/release-6.5.5.md --- releases/release-6.5.5.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 07ffafc7a0cda..ce9007df18a16 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -51,7 +51,8 @@ Quick access: [Quick start](https://docs.pingcap.com/tidb/v6.5/quick-start-with- - Fix the issue that the scheduler takes a long time to start up [#6920](https://github.com/tikv/pd/issues/6920) @[HuSharp](https://github.com/HuSharp) - Fix the issue that the logic for handling Leaders and Peers in Scatter Region is inconsistent [#6962](https://github.com/tikv/pd/issues/6962) @[bufferflies](https://github.com/bufferflies) - + - Fix the issue that the `empty-region-count` monitoring metric is abnormal when the cluster is restarted or the PD Leader is switched [#7008](https://github.com/tikv/pd/issues/7008) @[CabinfeverB](https://github.com/CabinfeverB) + + Tools + Backup & Restore (BR) From 24d73961d5985d4e33e1eec96f7d2bbcd13e6dea Mon Sep 17 00:00:00 2001 From: Grace Cai Date: Wed, 20 Sep 2023 10:43:21 +0800 Subject: [PATCH 17/22] add a link for `NO_MERGE_JOIN()` --- releases/release-6.5.5.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index ce9007df18a16..f98702441d5bf 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -15,7 +15,7 @@ Quick access: [Quick start](https://docs.pingcap.com/tidb/v6.5/quick-start-with- + TiDB - - Add new optimizer hints, including [`NO_MERGE_JOIN()`], [`NO_INDEX_JOIN()`](/optimizer-hints.md#no_index_joint1_name--tl_name-), [`NO_INDEX_MERGE_JOIN()`](/optimizer-hints.md#no_index_merge_joint1_name--tl_name-), [`NO_HASH_JOIN()`](/optimizer-hints.md#no_hash_joint1_name--tl_name-), and [`NO_INDEX_HASH_JOIN()`](/optimizer-hints.md#no_index_hash_joint1_name--tl_name-) [#45520](https://github.com/pingcap/tidb/issues/45520) @[qw4990](https://github.com/qw4990) + - Add new optimizer hints, including [`NO_MERGE_JOIN()`](/optimizer-hints.md#no_merge_joint1_name--tl_name-), [`NO_INDEX_JOIN()`](/optimizer-hints.md#no_index_joint1_name--tl_name-), [`NO_INDEX_MERGE_JOIN()`](/optimizer-hints.md#no_index_merge_joint1_name--tl_name-), [`NO_HASH_JOIN()`](/optimizer-hints.md#no_hash_joint1_name--tl_name-), and [`NO_INDEX_HASH_JOIN()`](/optimizer-hints.md#no_index_hash_joint1_name--tl_name-) [#45520](https://github.com/pingcap/tidb/issues/45520) @[qw4990](https://github.com/qw4990) - Add request source information related to the coprocessor [#46514](https://github.com/pingcap/tidb/issues/46514) @[you06](https://github.com/you06) + TiKV From 4a8e47472ab513d541e419faf50d1734caa2cbce Mon Sep 17 00:00:00 2001 From: Aolin Date: Wed, 20 Sep 2023 10:44:04 +0800 Subject: [PATCH 18/22] move 15282 to Improvements section --- releases/release-6.5.5.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index f98702441d5bf..019f6df13d708 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -25,6 +25,7 @@ Quick access: [Quick start](https://docs.pingcap.com/tidb/v6.5/quick-start-with- - Improve stability of PITR checkpoint lag during leader transfers [#13638](https://github.com/tikv/tikv/issues/13638) @[YuJuncen](https://github.com/YuJuncen) - Add logs and monitoring metrics related to `safe-ts` [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) - Provide more logs and monitoring metrics for `resolved-ts` [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium) + - Optimize the compaction mechanism: when a Region is split, if there is no key to split, a compaction is triggered to eliminate excessive MVCC versions [#15282](https://github.com/tikv/tikv/issues/15282) @[SpadeA-Tang](https://github.com/SpadeA-Tang) + Tools @@ -43,7 +44,6 @@ Quick access: [Quick start](https://docs.pingcap.com/tidb/v6.5/quick-start-with- - Fix the issue that the peers of the corresponding Region mistakenly hibernate when a TiKV node fails [#14547](https://github.com/tikv/tikv/issues/14547) @[hicqu](https://github.com/hicqu) - Fix the issue that TiKV fails to start when Titan is enabled and the `Blob file deleted twice` error occurs [#15454](https://github.com/tikv/tikv/issues/15454) @[Connor1996](https://github.com/Connor1996) - - Optimize the compaction mechanism: when a Region is split, if there is no key to split, a compaction is triggered to eliminate excessive MVCC versions [#15282](https://github.com/tikv/tikv/issues/15282) @[SpadeA-Tang](https://github.com/SpadeA-Tang) - Fix the issue that Online Unsafe Recovery cannot handle merge abort [#15580](https://github.com/tikv/tikv/issues/15580) @[v01dstar](https://github.com/v01dstar) - Fix the issue that network interruption between PD and TiKV might cause PITR to get stuck [#15279](https://github.com/tikv/tikv/issues/15279) @[YuJuncen](https://github.com/YuJuncen) From 2a9af2681da8267cb5b7af9b7382fcc3d930ffe6 Mon Sep 17 00:00:00 2001 From: xixirangrang Date: Wed, 20 Sep 2023 10:49:07 +0800 Subject: [PATCH 19/22] Update release-6.5.5.md add ticdcc dev --- releases/release-6.5.5.md | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 019f6df13d708..c2cc1f72cbad5 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -64,12 +64,12 @@ Quick access: [Quick start](https://docs.pingcap.com/tidb/v6.5/quick-start-with- + TiCDC - - Fix the issue of high TiCDC replication latency caused by network isolation of PD nodes [#9565](https://github.com/pingcap/tiflow/issues/9565) - - Fix the issue that TiCDC incorrectly changes the `UPDATE` operation to `INSERT` when using the CSV format [#9658](https://github.com/pingcap/tiflow/issues/9658) - - Fix the issue that user passwords are recorded in some logs [#9690](https://github.com/pingcap/tiflow/issues/9690) - - Fix the issue that using the SASL authentication might cause TiCDC to panic [#9669](https://github.com/pingcap/tiflow/issues/9669) - - Fix the issue that TiCDC replication tasks might fail in some corner cases [#9685](https://github.com/pingcap/tiflow/issues/9685)[#9697](https://github.com/pingcap/tiflow/issues/9697)[#9695](https://github.com/pingcap/tiflow/issues/9695)[#9736](https://github.com/pingcap/tiflow/issues/9736) - - Fix the issue that TiCDC cannot recover quickly from TiKV node failures when there are a lot of Regions upstream [#9741](https://github.com/pingcap/tiflow/issues/9741) + - Fix the issue of high TiCDC replication latency caused by network isolation of PD nodes [#9565](https://github.com/pingcap/tiflow/issues/9565) @[asddongmen](https://github.com/asddongmen) + - Fix the issue that TiCDC incorrectly changes the `UPDATE` operation to `INSERT` when using the CSV format [#9658](https://github.com/pingcap/tiflow/issues/9658) @[3AceShowHand](https://github.com/3AceShowHand) + - Fix the issue that user passwords are recorded in some logs [#9690](https://github.com/pingcap/tiflow/issues/9690) @[sdojjy](https://github.com/sdojjy) + - Fix the issue that using the SASL authentication might cause TiCDC to panic [#9669](https://github.com/pingcap/tiflow/issues/9669) @[sdojjy](https://github.com/sdojjy) + - Fix the issue that TiCDC replication tasks might fail in some corner cases [#9685](https://github.com/pingcap/tiflow/issues/9685)[#9697](https://github.com/pingcap/tiflow/issues/9697)[#9695](https://github.com/pingcap/tiflow/issues/9695)[#9736](https://github.com/pingcap/tiflow/issues/9736) @[hicqu](https://github.com/hicqu) @[CharlesCheung96](https://github.com/CharlesCheung96) + - Fix the issue that TiCDC cannot recover quickly from TiKV node failures when there are a lot of Regions upstream [#9741](https://github.com/pingcap/tiflow/issues/9741) @[sdojjy](https://github.com/sdojjy) + TiDB Lightning From b4dd253ed17426b7221a8029f06d28d806a5d477 Mon Sep 17 00:00:00 2001 From: xixirangrang Date: Thu, 21 Sep 2023 10:25:07 +0800 Subject: [PATCH 20/22] Apply suggestions from code review Co-authored-by: Aolin --- releases/release-6.5.5.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index c2cc1f72cbad5..8ea79ebc897bf 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -1,6 +1,6 @@ --- title: TiDB 6.5.5 Release Notes -summary: Learn about the compatibility changes, improvements, and bug fixes in TiDB 6.5.5. +summary: Learn about the improvements and bug fixes in TiDB 6.5.5. --- # TiDB 6.5.5 Release Notes @@ -68,7 +68,7 @@ Quick access: [Quick start](https://docs.pingcap.com/tidb/v6.5/quick-start-with- - Fix the issue that TiCDC incorrectly changes the `UPDATE` operation to `INSERT` when using the CSV format [#9658](https://github.com/pingcap/tiflow/issues/9658) @[3AceShowHand](https://github.com/3AceShowHand) - Fix the issue that user passwords are recorded in some logs [#9690](https://github.com/pingcap/tiflow/issues/9690) @[sdojjy](https://github.com/sdojjy) - Fix the issue that using the SASL authentication might cause TiCDC to panic [#9669](https://github.com/pingcap/tiflow/issues/9669) @[sdojjy](https://github.com/sdojjy) - - Fix the issue that TiCDC replication tasks might fail in some corner cases [#9685](https://github.com/pingcap/tiflow/issues/9685)[#9697](https://github.com/pingcap/tiflow/issues/9697)[#9695](https://github.com/pingcap/tiflow/issues/9695)[#9736](https://github.com/pingcap/tiflow/issues/9736) @[hicqu](https://github.com/hicqu) @[CharlesCheung96](https://github.com/CharlesCheung96) + - Fix the issue that TiCDC replication tasks might fail in some corner cases [#9685](https://github.com/pingcap/tiflow/issues/9685) [#9697](https://github.com/pingcap/tiflow/issues/9697) [#9695](https://github.com/pingcap/tiflow/issues/9695) [#9736](https://github.com/pingcap/tiflow/issues/9736) @[hicqu](https://github.com/hicqu) @[CharlesCheung96](https://github.com/CharlesCheung96) - Fix the issue that TiCDC cannot recover quickly from TiKV node failures when there are a lot of Regions upstream [#9741](https://github.com/pingcap/tiflow/issues/9741) @[sdojjy](https://github.com/sdojjy) + TiDB Lightning From e8152e9271da12d19809cad2c8e57a170b3a72df Mon Sep 17 00:00:00 2001 From: xixirangrang <35301108+hfxsd@users.noreply.github.com> Date: Thu, 21 Sep 2023 11:06:08 +0800 Subject: [PATCH 21/22] Update release-6.5.5.md --- releases/release-6.5.5.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 8ea79ebc897bf..7e86dfc98a287 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -15,7 +15,7 @@ Quick access: [Quick start](https://docs.pingcap.com/tidb/v6.5/quick-start-with- + TiDB - - Add new optimizer hints, including [`NO_MERGE_JOIN()`](/optimizer-hints.md#no_merge_joint1_name--tl_name-), [`NO_INDEX_JOIN()`](/optimizer-hints.md#no_index_joint1_name--tl_name-), [`NO_INDEX_MERGE_JOIN()`](/optimizer-hints.md#no_index_merge_joint1_name--tl_name-), [`NO_HASH_JOIN()`](/optimizer-hints.md#no_hash_joint1_name--tl_name-), and [`NO_INDEX_HASH_JOIN()`](/optimizer-hints.md#no_index_hash_joint1_name--tl_name-) [#45520](https://github.com/pingcap/tidb/issues/45520) @[qw4990](https://github.com/qw4990) + - Add new optimizer hints, including [`NO_MERGE_JOIN()`](/optimizer-hints.md#no_merge_joint1_name--tl_name), [`NO_INDEX_JOIN()`](/optimizer-hints.md#no_index_joint1_name--tl_name), [`NO_INDEX_MERGE_JOIN()`](/optimizer-hints.md#no_index_merge_joint1_name--tl_name), [`NO_HASH_JOIN()`](/optimizer-hints.md#no_hash_joint1_name--tl_name), and [`NO_INDEX_HASH_JOIN()`](/optimizer-hints.md#no_index_hash_joint1_name--tl_name) [#45520](https://github.com/pingcap/tidb/issues/45520) @[qw4990](https://github.com/qw4990) - Add request source information related to the coprocessor [#46514](https://github.com/pingcap/tidb/issues/46514) @[you06](https://github.com/you06) + TiKV From 8a319dbe77f48d6725e8a04ec2e21963fdd2e7dc Mon Sep 17 00:00:00 2001 From: xixirangrang <35301108+hfxsd@users.noreply.github.com> Date: Thu, 21 Sep 2023 11:13:21 +0800 Subject: [PATCH 22/22] Update release-6.5.5.md --- releases/release-6.5.5.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/releases/release-6.5.5.md b/releases/release-6.5.5.md index 7e86dfc98a287..8ea79ebc897bf 100644 --- a/releases/release-6.5.5.md +++ b/releases/release-6.5.5.md @@ -15,7 +15,7 @@ Quick access: [Quick start](https://docs.pingcap.com/tidb/v6.5/quick-start-with- + TiDB - - Add new optimizer hints, including [`NO_MERGE_JOIN()`](/optimizer-hints.md#no_merge_joint1_name--tl_name), [`NO_INDEX_JOIN()`](/optimizer-hints.md#no_index_joint1_name--tl_name), [`NO_INDEX_MERGE_JOIN()`](/optimizer-hints.md#no_index_merge_joint1_name--tl_name), [`NO_HASH_JOIN()`](/optimizer-hints.md#no_hash_joint1_name--tl_name), and [`NO_INDEX_HASH_JOIN()`](/optimizer-hints.md#no_index_hash_joint1_name--tl_name) [#45520](https://github.com/pingcap/tidb/issues/45520) @[qw4990](https://github.com/qw4990) + - Add new optimizer hints, including [`NO_MERGE_JOIN()`](/optimizer-hints.md#no_merge_joint1_name--tl_name-), [`NO_INDEX_JOIN()`](/optimizer-hints.md#no_index_joint1_name--tl_name-), [`NO_INDEX_MERGE_JOIN()`](/optimizer-hints.md#no_index_merge_joint1_name--tl_name-), [`NO_HASH_JOIN()`](/optimizer-hints.md#no_hash_joint1_name--tl_name-), and [`NO_INDEX_HASH_JOIN()`](/optimizer-hints.md#no_index_hash_joint1_name--tl_name-) [#45520](https://github.com/pingcap/tidb/issues/45520) @[qw4990](https://github.com/qw4990) - Add request source information related to the coprocessor [#46514](https://github.com/pingcap/tidb/issues/46514) @[you06](https://github.com/you06) + TiKV