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https://issues.apache.org/jira/browse/FLINK-20044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17466708#comment-17466708
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Yuan Mei commented on FLINK-20044:
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This task seems a duplication of FLINK-5463
> Disposal of RocksDB could last forever
> --------------------------------------
>
> Key: FLINK-20044
> URL: https://issues.apache.org/jira/browse/FLINK-20044
> Project: Flink
> Issue Type: Bug
> Components: Runtime / State Backends
> Affects Versions: 1.9.0
> Reporter: Jiayi Liao
> Priority: Minor
> Labels: auto-deprioritized-major, auto-deprioritized-minor
>
> The task cannot fail itself because it's stuck on the disposal of RocksDB,
> which also affects the job. I saw this for several times in recent months,
> most of the errors come from the broken disk. But I think we should also do
> something to deal with it more elegantly from Flink's perspective.
> {code:java}
> "LookUp_Join -> Sink_Unnamed (898/1777)- execution # 4" #411 prio=5 os_prio=0
> tid=0x00007fc9b0286800 nid=0xff6fc runnable [0x00007fc966cfc000]
> java.lang.Thread.State: RUNNABLE
> at org.rocksdb.RocksDB.disposeInternal(Native Method)
> at org.rocksdb.RocksObject.disposeInternal(RocksObject.java:37)
> at
> org.rocksdb.AbstractImmutableNativeReference.close(AbstractImmutableNativeReference.java:57)
> at org.apache.flink.util.IOUtils.closeQuietly(IOUtils.java:263)
> at
> org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend.dispose(RocksDBKeyedStateBackend.java:349)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator.dispose(AbstractStreamOperator.java:371)
> at
> org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.dispose(AbstractUdfStreamOperator.java:124)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.disposeAllOperators(StreamTask.java:618)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:517)
> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:733)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:539)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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