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https://issues.apache.org/jira/browse/FLINK-2221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14586311#comment-14586311
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ASF GitHub Bot commented on FLINK-2221:
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GitHub user mbalassi opened a pull request:
https://github.com/apache/flink/pull/839
[FLINK-2221] [docs] Docs for not using local filesystem on the cluste…
…r as state backup
This is just a clear documentation of the problem for the 0.9 release.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mbalassi/flink flink-2221
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/839.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #839
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commit 79f0db81c8eda3296bc0f42f9191ea2d0790132c
Author: mbalassi <[email protected]>
Date: 2015-06-15T16:53:08Z
[FLINK-2221] [docs] Docs for not using local filesystem on the cluster as
state backup
This is just a clear documentation of the problem for the 0.9 release.
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> Checkpoints to "file://" are not cleaned up
> -------------------------------------------
>
> Key: FLINK-2221
> URL: https://issues.apache.org/jira/browse/FLINK-2221
> Project: Flink
> Issue Type: Bug
> Components: Streaming
> Reporter: Aljoscha Krettek
>
> If you think about it, this could never work. The state handle cleanup logic
> happens purely on the JobManager. So what happens is that the TaskManagers
> create state in some directory, let's say /tmp/checkpoints, on the
> TaskManager. For cleanup, the JobManager gets the state handle and calls
> discard (on the JobManager), this tries to cleanup the state in
> /tmp/checkpoints, but of course, there is nothing there since we are still on
> the JobManager.
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