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Posted to issues@iceberg.apache.org by GitBox <gi...@apache.org> on 2022/02/28 06:48:22 UTC
[GitHub] [iceberg] openinx commented on a change in pull request #4181: Doc: Add flink configuration
openinx commented on a change in pull request #4181:
URL: https://github.com/apache/iceberg/pull/4181#discussion_r815616959
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File path: docs/versioned/flink/flink-getting-started.md
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@@ -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:
+
+```java
+// access flink configuration
+Configuration configuration = tEnv.getConfig().getConfiguration();
+// set low-level key-value options
+configuration.setStriFlinkConfigOptions.TABLE_EXEC_ICEBERG_INFER_SOURCE_PARALLELISMed", "true");
Review comment:
Remove the extra `ed` from the `TABLE_EXEC_ICEBERG_INFER_SOURCE_PARALLELISMed` ?
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