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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2019/08/15 10:03:13 UTC
[GitHub] [flink] tillrohrmann commented on a change in pull request #9336:
[FLINK-13548][Deployment/YARN]Support priority of the Flink YARN application
tillrohrmann commented on a change in pull request #9336: [FLINK-13548][Deployment/YARN]Support priority of the Flink YARN application
URL: https://github.com/apache/flink/pull/9336#discussion_r314246453
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File path: flink-yarn/src/main/java/org/apache/flink/yarn/configuration/YarnConfigOptions.java
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@@ -180,6 +180,25 @@
" Flink on YARN on an environment with a restrictive firewall, this option allows specifying a range of" +
" allowed ports.");
+ /**
+ * A non-negative integer indicating the priority for submitting a Flink YARN application. It will only take effect
+ * if the Hadoop version >= 2.8.5 and YARN priority scheduling setting is enabled. Larger integer corresponds with
+ * higher priority. If priority is negative or set to '-1'(default), Flink will unset yarn priority setting and use
+ * cluster default priority.
+ *
+ * @see <a href="https://hadoop.apache.org/docs/r2.8.5/hadoop-yarn/hadoop-yarn-site/CapacityScheduler.html">YARN Capacity Scheduling Doc</a>
+ */
+ public static final ConfigOption<Integer> APPLICATION_PRIORITY =
+ key("yarn.application.priority")
+ .defaultValue(-1)
+ .withDescription(Description.builder()
+ .text("A non-negative integer indicating the priority for submitting a Flink YARN application. It" +
+ " will only take effect if the Hadoop version >= 2.8.5 and YARN priority scheduling setting is enabled." +
Review comment:
Why does it only work with Hadoop version >= `2.8.5`? The `ApplicationSubmissionContext` has the `#setPriority` method since version `2.0.4-alpha`? Has the method never been used before `2.8.5`?
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