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new adc08a9a8 [doc] Document savepoint in flink engine
adc08a9a8 is described below
commit adc08a9a8ae25d84c81b52f467797648db995b31
Author: Jingsong <[email protected]>
AuthorDate: Wed Sep 20 22:31:41 2023 +0800
[doc] Document savepoint in flink engine
---
docs/content/engines/flink.md | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/docs/content/engines/flink.md b/docs/content/engines/flink.md
index 05c13ae42..45caeeeb9 100644
--- a/docs/content/engines/flink.md
+++ b/docs/content/engines/flink.md
@@ -70,8 +70,6 @@ You can find the bundled jar in
`./paimon-flink/paimon-flink-<flink-version>/tar
## Quick Start
-### Using bundled Jar
-
**Step 1: Download Flink**
If you haven't downloaded Flink, you can [download
Flink](https://flink.apache.org/downloads.html), then extract the archive with
the following command.
@@ -245,7 +243,18 @@ Stop the Flink local cluster.
./bin/stop-cluster.sh
```
-### Using Action Jar
+## Savepoint and recover
+
+Because Paimon has its own snapshot management, this may conflict with Flink's
checkpoint management, causing
+exceptions when restoring from savepoint (don't worry, it will not cause the
storage to be damaged).
+
+It is recommended that you use the following methods to savepoint:
+1. Use [Stop with
savepoint](https://nightlies.apache.org/flink/flink-docs-stable/docs/ops/state/savepoints/#stopping-a-job-with-savepoint).
+2. Use [Tag with savepoint]({{< ref
"maintenance/manage-tags#work-with-flink-savepoint" >}}), and rollback-to-tag
+ before restoring from savepoint.
+
+## Using Action Jar
+
After the Flink Local Cluster has been started, you can execute the action jar
by using the following command
```
