twalthr commented on code in PR #20600:
URL: https://github.com/apache/flink/pull/20600#discussion_r946767820
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docs/content.zh/docs/ops/upgrading.md:
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@@ -518,7 +518,12 @@ Savepoints are compatible across Flink versions as
indicated by the table below:
<td class="text-center"></td>
<td class="text-center"></td>
<td class="text-center">O</td>
- <td class="text-left"></td>
+ <td class="text-left">
+ Due to FLIP-190, Flink 1.15.0/1.15.1 changed the way UIDs are
generated for TableAPI
Review Comment:
Maybe we can use the release notes that I added in the JIRA issue (slightly
adapted):
```
For Table API: 1.15.0 and 1.15.1 generated non-deterministic UIDs for
operators that make it difficult/impossible to restore state or upgrade to next
patch version. A new table.exec.uid.generation config option (with correct
default behavior) disables setting a UID for new pipelines from non-compiled
plans. Existing pipelines can set table.exec.uid.generation=ALWAYS if the
1.15.0/1 behavior was acceptable due to a stable environment.
```
I tried to be as concise and helpful as possible.
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