lirui-apache commented on a change in pull request #15060:
URL: https://github.com/apache/flink/pull/15060#discussion_r590032900
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File path: docs/content/docs/connectors/table/hive/hive_read_write.md
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@@ -409,6 +409,28 @@ This configuration is set in the `TableConfig` and will
affect all sinks of the
</tbody>
</table>
+### Sink Parallelism
+
+The parallelism of writing data into Hive can be configured by the
corresponding table option. By default, the parallelism is configured to being
the same as the parallelism of its last upstream chained operator. When the
parallelism which is different from the parallelism of the upstream parallelism
is configured, the writer operator will apply the parallelism.
+
+<table class="table table-bordered">
+ <thead>
+ <tr>
+ <th class="text-left" style="width: 20%">Key</th>
+ <th class="text-left" style="width: 15%">Default</th>
+ <th class="text-left" style="width: 10%">Type</th>
+ <th class="text-left" style="width: 55%">Description</th>
+ </tr>
+ </thead>
+ <tbody>
+ <tr>
+ <td><h5>sink.parallelism</h5></td>
Review comment:
Hive batch sink also shares code with FileSystem connector, e.g. it also
writes data using a `FileSystemOutputFormat`.
If `sink.parallelism` has the same meaning for both FS and hive connectors,
it's better to avoid duplicated definitions. So that it makes things easier if
we need to update the configuration in the future. That's also what we did in
the [streaming
write](https://ci.apache.org/projects/flink/flink-docs-release-1.12/dev/table/connectors/hive/hive_read_write.html#writing)
section of the hive doc.
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