stevenzwu commented on a change in pull request #4181:
URL: https://github.com/apache/iceberg/pull/4181#discussion_r816066848
##########
File path: docs/versioned/flink/flink-getting-started.md
##########
@@ -547,6 +547,33 @@ RewriteDataFilesActionResult result =
Actions.forTable(table)
For more doc about options of the rewrite files action, please see
[RewriteDataFilesAction](../../../javadoc/{{% icebergVersion
%}}/org/apache/iceberg/flink/actions/RewriteDataFilesAction.html)
+## Configuration.
+
+The following options can be used to tune the performance of the query
execution.
+
+| Key | Default | Type |
Description
|
+|:-----------------------------------------------:| ------- | ------- |
--------------------------------------------------------------------------------------------------------------------------------
|
+| table.exec.iceberg.infer-source-parallelism | True | Boolean | If is
false, parallelism of source are set by config.<br/>If is true, source
parallelism is inferred according to splits number. |
+| table.exec.iceberg.infer-source-parallelism.max | 100 | Int | Sets
max infer parallelism for source operator.
|
+| table.exec.iceberg.expose-split-locality-info | None | Boolean | Expose
split host information to use Flink's locality aware split assigner.
|
+
+Usage:
Review comment:
@hililiwei I added some sample code in the Javadoc for the
`FlinkConfigOptions` class
https://github.com/apache/iceberg/pull/4060/files#diff-cb10b0c952e576ba625a982a097f0442fb39c4b26e273c69ebf24204e42356ce
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