From 059795d524b4433e42aafeb9d058ab2a35f060a8 Mon Sep 17 00:00:00 2001 From: shichun-0415 Date: Wed, 8 Sep 2021 14:56:24 +0800 Subject: [PATCH] Update release-5.0.0 and release-5.1.0 --- releases/release-5.0.0.md | 1 + releases/release-5.1.0.md | 1 + 2 files changed, 2 insertions(+) diff --git a/releases/release-5.0.0.md b/releases/release-5.0.0.md index 1c4575493084b..9cd384e80999a 100644 --- a/releases/release-5.0.0.md +++ b/releases/release-5.0.0.md @@ -68,6 +68,7 @@ In v5.0, the key new features or improvements are as follows: ### Others ++ Before the upgrade, check the value of the TiDB configuration [`feedback-probability`](/tidb-configuration-file.md#feedback-probability). If the value is not 0, the "panic in the recoverable goroutine" error will occur after the upgrade, but this error does not affect the upgrade. + Forbid conversion between `VARCHAR` type and `CHAR` type during the column type change to avoid data correctness issues. ## New features diff --git a/releases/release-5.1.0.md b/releases/release-5.1.0.md index 25d1e23efb0dd..b4d53dd2dff28 100644 --- a/releases/release-5.1.0.md +++ b/releases/release-5.1.0.md @@ -58,6 +58,7 @@ In v5.1, the key new features or improvements are as follows: ### Others +- Before the upgrade, check the value of the TiDB configuration [`feedback-probability`](/tidb-configuration-file.md#feedback-probability). If the value is not 0, the "panic in the recoverable goroutine" error will occur after the upgrade, but this error does not affect the upgrade. - Upgrade the Go compiler version of TiDB from go1.13.7 to go1.16.4, which improves the TiDB performance. If you are a TiDB developer, upgrade your Go compiler version to ensure a smooth compilation. - Avoid creating tables with clustered indexes in the cluster that uses TiDB Binlog during the TiDB rolling upgrade. - Avoid executing statements like `alter table ... modify column` or `alter table ... change column` during the TiDB rolling upgrade.