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https://issues.apache.org/jira/browse/NIFI-4322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16164434#comment-16164434
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ASF GitHub Bot commented on NIFI-4322:
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Github user asfgit closed the pull request at:
https://github.com/apache/nifi/pull/2146
> If RuntimeException thrown during checkpoint of FlowFile Repository, repo
> stops checkpointing
> ---------------------------------------------------------------------------------------------
>
> Key: NIFI-4322
> URL: https://issues.apache.org/jira/browse/NIFI-4322
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Mark Payne
> Fix For: 1.4.0
>
>
> The WriteAheadFlowFileRepository has a 'checkpointRunnable' task that is
> scheduled periodically, which is responsible for checkpointing the FlowFile
> Repository. It catches IOException but no other Exceptions. So if an OOME
> occurs or a RuntimeException, the repository will stop checkpointing. As a
> result, it can fill all disk space and/or take a very long time to recover
> upon restart, depending on how large the FlowFile repository has become.
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