system-variables: add a warning about tidb_enable_dist_task in v7.1

pingcap · Feb 21, 2024 · ecaeea5 · ecaeea5
1 parent 2057977
commit ecaeea5
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/system-variables.md b/system-variables.md
@@ -1362,7 +1362,7 @@ MPP is a distributed computing framework provided by the TiFlash engine, which a
 
 > **Warning:**
 >
-> This feature is still in the experimental stage. It is not recommended to enable this feature in production environments.
+> This feature is still in the experimental stage. It is not recommended to enable this feature in production environments. When TiDB distribution framework is enabled, if you plan to upgrade TiDB from v7.1.x to v7.5.0 or higher, please ensure that there are no running `ADD INDEX` tasks before the upgrade.
 
 - Scope: GLOBAL
 - Persists to cluster: Yes

diff --git a/tidb-distributed-execution-framework.md b/tidb-distributed-execution-framework.md
@@ -7,7 +7,7 @@ summary: Learn the use cases, limitations, usage, and implementation principles
 
 > **Warning:**
 >
-> This feature is an experimental feature. It is not recommended to use it in production environments.
+> This feature is an experimental feature. It is not recommended to use it in production environments. When TiDB distribution framework is enabled, if you plan to upgrade TiDB from v7.1.x to v7.5.0 or higher, please ensure that there are no running `ADD INDEX` tasks before the upgrade.
 
 <CustomContent platform="tidb-cloud">