add 6.1.3 release notes (#11445) (#11521)

pingcap · Dec 5, 2022 · 600dbd7 · 600dbd7
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diff --git a/TOC.md b/TOC.md
@@ -883,6 +883,7 @@
   - [TiDB Versioning](/releases/versioning.md)
   - [TiDB Installation Packages](/binary-package.md)
   - v6.1
+    - [6.1.3](/releases/release-6.1.3.md)
     - [6.1.2](/releases/release-6.1.2.md)
     - [6.1.1](/releases/release-6.1.1.md)
     - [6.1.0](/releases/release-6.1.0.md)

diff --git a/releases/release-6.1.3.md b/releases/release-6.1.3.md
@@ -0,0 +1,75 @@
+---
+title: TiDB 6.1.3 Release Notes
+---
+
+# TiDB 6.1.3 Release Notes
+
+Release date: December 5, 2022
+
+TiDB version: 6.1.3
+
+Quick access: [Quick start](https://docs.pingcap.com/tidb/v6.1/quick-start-with-tidb) | [Production deployment](https://docs.pingcap.com/tidb/v6.1/production-deployment-using-tiup) | [Installation packages](https://www.pingcap.com/download/?version=v6.1.3#version-list)
+
+## Improvements
+
+- PD
+
+    - Optimize the granularity of locks to reduce lock contention and improve the capability of processing heartbeat in high concurrency [#5586](https://github.com/tikv/pd/issues/5586) @[rleungx](https://github.com/rleungx)
+
+- Tools
+
+    - TiCDC
+
+        - Enable transaction split and disable the safe mode of a changefeed in TiCDC by default to improve performance [#7505](https://github.com/pingcap/tiflow/issues/7505) @[asddongmen](https://github.com/asddongmen)
+        - Improve the performance of Kafka protocol encoder [#7540](https://github.com/pingcap/tiflow/issues/7540), [#7532](https://github.com/pingcap/tiflow/issues/7532), [#7543](https://github.com/pingcap/tiflow/issues/7543) @[sdojjy](https://github.com/sdojjy) @[3AceShowHand](https://github.com/3AceShowHand)
+
+- Others
+
+    - Upgrade the Go compiler version of TiDB from go1.18 to [go1.19](https://go.dev/doc/go1.19), which improves the TiDB stability. Specifically, a Go environment variable [`GOMEMLIMIT`](https://pkg.go.dev/runtime@go1.19#hdr-Environment_Variables) is introduced to keep the memory usage of TiDB below a certain threshold. This helps mitigate most OOM issues. For more information, see [Mitigate OOM issues by configuring the `GOMEMLIMIT`](/configure-memory-usage.md#mitigate-oom-issues-by-configuring-gomemlimit).
+
+## Bug fixes
+
++ TiDB
+
+    - Fix the issue that the `grantor` field is missing in the `mysql.tables_priv` table [#38293](https://github.com/pingcap/tidb/issues/38293) @[CbcWestwolf](https://github.com/CbcWestwolf)
+    - Fix the issue of the wrong query result that occurs when the mistakenly pushed-down conditions are discarded by Join Reorder [#38736](https://github.com/pingcap/tidb/issues/38736) @[winoros](https://github.com/winoros)
+    - Fix the issue that the lock acquired by `get_lock()` cannot hold for more than 10 minutes [#38706](https://github.com/pingcap/tidb/issues/38706) @[tangenta](https://github.com/tangenta)
+    - Fix the issue that the auto-increment column cannot be used with check constraint [#38894](https://github.com/pingcap/tidb/issues/38894) @[YangKeao](https://github.com/YangKeao)
+    - Fix the issue that the gPRC log is output to a wrong file [#38941](https://github.com/pingcap/tidb/issues/38941) @[xhebox](https://github.com/xhebox)
+    - Fix the issue that the TiFlash sync status of a table is not deleted from etcd when the table is truncated or dropped [#37168](https://github.com/pingcap/tidb/issues/37168) @[CalvinNeo](https://github.com/CalvinNeo)
+    - Fix the issue that data files can be accessed unrestrainedly via data source name injection (CVE-2022-3023) [#38541](https://github.com/pingcap/tidb/issues/38541) @[lance6716](https://github.com/lance6716)
+    - Fix the issue that the function `str_to_date` returns wrong result in the `NO_ZERO_DATE` SQL mode [#39146](https://github.com/pingcap/tidb/issues/39146) @[mengxin9014](https://github.com/mengxin9014)
+    - Fix the issue that statistics collection tasks in the background might panic [#35421](https://github.com/pingcap/tidb/issues/35421) @[lilinghai](https://github.com/lilinghai)
+    - Fix the issue that in some scenarios the pessimistic lock is incorrectly added to the non-unique secondary index [#36235](https://github.com/pingcap/tidb/issues/36235) @[ekexium](https://github.com/ekexium)
+
+- PD
+
+    - Fix inaccurate Stream timeout and accelerate leader switchover [#5207](https://github.com/tikv/pd/issues/5207) @[CabinfeverB](https://github.com/CabinfeverB)
+
++ TiKV
+
+    - Fix abnormal Region competition caused by expired lease during snapshot acquisition [#13553](https://github.com/tikv/tikv/issues/13553) @[SpadeA-Tang](https://github.com/SpadeA-Tang)
+
++ TiFlash
+
+    - Fix the issue that logical operators return wrong results when the argument type is `UInt8` [#6127](https://github.com/pingcap/tiflash/issues/6127) @[xzhangxian1008](https://github.com/xzhangxian1008)
+    - Fix the issue that wrong data input for `CAST(value AS DATETIME)` causing high TiFlash sys CPU [#5097](https://github.com/pingcap/tiflash/issues/5097) @[xzhangxian1008](https://github.com/xzhangxian1008)
+    - Fix the issue that heavy write pressure might generate too many column files in the delta layer [#6361](https://github.com/pingcap/tiflash/issues/6361) @[lidezhu](https://github.com/lidezhu)
+    - Fix the issue that column files in the delta layer cannot be compacted after restarting TiFlash [#6159](https://github.com/pingcap/tiflash/issues/6159) @[lidezhu](https://github.com/lidezhu)
+
++ Tools
+
+    + Backup & Restore (BR)
+
+        - Fix the issue that restore tasks fail when using old framework for collations in databases or tables [#39150](https://github.com/pingcap/tidb/issues/39150) @[MoCuishle28](https://github.com/MoCuishle28)
+
+    + TiCDC
+
+        - Fix data loss occurred in the scenario of executing DDL statements first and then pausing and resuming the changefeed [#7682](https://github.com/pingcap/tiflow/issues/7682) @[asddongmen](https://github.com/asddongmen)
+
+    + TiDB Data Migration (DM)
+
+        - Fix the issue that when `collation_compatible` is set to `"strict"`, DM might generate SQL with duplicated collations [#6832](https://github.com/pingcap/tiflow/issues/6832) @[lance6716](https://github.com/lance6716)
+        - Fix the issue that DM tasks might stop with an `Unknown placement policy` error [#7493](https://github.com/pingcap/tiflow/issues/7493) @[lance6716](https://github.com/lance6716)
+        - Fix the issue that relay logs might be pulled from upstream again in some cases [#7525](https://github.com/pingcap/tiflow/issues/7525) @[liumengya94](https://github.com/liumengya94)
+        - Fix the issue that data is replicated for multiple times when a new DM worker is scheduled before the existing worker exits [#7658](https://github.com/pingcap/tiflow/issues/7658) @[GMHDBJD](https://github.com/GMHDBJD)
diff --git a/releases/release-notes.md b/releases/release-notes.md
@@ -6,6 +6,7 @@ title: Release Notes
 
 ## 6.1
 
+- [6.1.3](/releases/release-6.1.3.md): 2022-12-05
 - [6.1.2](/releases/release-6.1.2.md): 2022-10-24
 - [6.1.1](/releases/release-6.1.1.md): 2022-09-01
 - [6.1.0](/releases/release-6.1.0.md): 2022-06-13

diff --git 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 |
 | :--- | :--- |
+| [6.1.3](/releases/release-6.1.3.md) | 2022-12-05 |
 | [5.3.4](/releases/release-5.3.4.md) | 2022-11-24 |
 | [6.1.2](/releases/release-6.1.2.md) | 2022-10-24 |
 | [5.4.3](/releases/release-5.4.3.md) | 2022-10-13 |