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https://issues.apache.org/jira/browse/FLINK-14110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16980708#comment-16980708
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Congxian Qiu(klion26) commented on FLINK-14110:
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[~liyu] thanks for the reminder, will take a look at this issue.
> Deleting state.backend.rocksdb.localdir causes silent failure
> -------------------------------------------------------------
>
> Key: FLINK-14110
> URL: https://issues.apache.org/jira/browse/FLINK-14110
> Project: Flink
> Issue Type: Bug
> Components: Runtime / State Backends
> Affects Versions: 1.8.1, 1.9.0
> Environment: Flink {{1.8.1}} and {{1.9.0}}.
> JVM 8
> Reporter: Aaron Levin
> Priority: Minor
>
> Suppose {{state.backend.rocksdb.localdir}} is configured as:
> {noformat}
> state.backend.rocksdb.localdir: /flink/tmp
> {noformat}
> If I then run \{{rm -rf /flink/tmp/job_*}} on a host while a Flink
> application is running, I will observe the following:
> * throughput of my operators running on that host will drop to zero
> * the application will not fail or restart
> * the task manager will not fail or restart
> * in most cases there is nothing in the logs to indicate a failure (I've run
> this several times and only once seen an exception - I believe I was lucky
> and deleted those directories during a checkpoint or something)
> The desired behaviour here would be to throw an exception and crash, instead
> of silently dropping throughput to zero. Restarting the Task Manager will
> resolve the issues.
> I only tried this on Flink {{1.8.1}} and {{1.9.0}}.
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