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https://issues.apache.org/jira/browse/FLINK-5894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15880348#comment-15880348
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ASF GitHub Bot commented on FLINK-5894:
---------------------------------------
Github user alpinegizmo commented on a diff in the pull request:
https://github.com/apache/flink/pull/3401#discussion_r102703065
--- Diff: docs/setup/jobmanager_high_availability.md ---
@@ -84,12 +84,11 @@ In order to start an HA-cluster add the following
configuration keys to `conf/fl
**Important**: if you are running multiple Flink HA clusters, you have
to manually configure separate namespaces for each cluster. By default, the
Yarn cluster and the Yarn session automatically generate namespaces based on
Yarn application id. A manual configuration overrides this behaviour in Yarn.
Specifying a namespace with the -z CLI option, in turn, overrides manual
configuration.
-- **State backend and storage directory** (required): JobManager meta data
is persisted in the *state backend* and only a pointer to this state is stored
in ZooKeeper. Currently, only the file system state backend is supported in HA
mode.
+- **Storage directory** (required): JobManager meta data is persisted in
the file system *storageDir* and only a pointer to this state is stored in
ZooKeeper.
--- End diff --
It's generally agreed that metadata is one word.
> HA docs are misleading re: state backends
> -----------------------------------------
>
> Key: FLINK-5894
> URL: https://issues.apache.org/jira/browse/FLINK-5894
> Project: Flink
> Issue Type: Improvement
> Components: Documentation
> Reporter: David Anderson
>
> Towards the end of
> https://ci.apache.org/projects/flink/flink-docs-release-1.2/setup/jobmanager_high_availability.html#configuration
> it says "Currently, only the file system state backend is supported in HA
> mode."
> The state handles are written to the FileSystem and a reference to them is
> kept in ZooKeeper. So it's actually independent of the backend being used.
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