[FLINK-21839][docs] Document stop-with-savepoint behavior more explic…

…itly This closes apache#15594
ruslandanilin · Apr 14, 2021 · 81118c0 · 81118c0
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diff --git a/docs/content.zh/docs/deployment/cli.md b/docs/content.zh/docs/deployment/cli.md
@@ -167,7 +167,8 @@ We have to use `--savepointPath` to specify the savepoint folder if
 If the `--drain` flag is specified, then a `MAX_WATERMARK` will be emitted before the last checkpoint 
 barrier. This will make all registered event-time timers fire, thus flushing out any state that 
 is waiting for a specific watermark, e.g. windows. The job will keep running until all sources properly 
-shut down. This allows the job to finish processing all in-flight data.
+shut down. This allows the job to finish processing all in-flight data, which can produce some
+records to process after the savepoint taken while stopping.
 
 {{< hint danger >}}
 Use the `--drain` flag if you want to terminate the job permanently.

diff --git a/docs/content/docs/deployment/cli.md b/docs/content/docs/deployment/cli.md
@@ -165,7 +165,8 @@ We have to use `--savepointPath` to specify the savepoint folder if
 If the `--drain` flag is specified, then a `MAX_WATERMARK` will be emitted before the last checkpoint 
 barrier. This will make all registered event-time timers fire, thus flushing out any state that 
 is waiting for a specific watermark, e.g. windows. The job will keep running until all sources properly 
-shut down. This allows the job to finish processing all in-flight data.
+shut down. This allows the job to finish processing all in-flight data, which can produce some
+records to process after the savepoint taken while stopping.
 
 {{< hint danger >}}
 Use the `--drain` flag if you want to terminate the job permanently.