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https://issues.apache.org/jira/browse/HDFS-16600?focusedWorklogId=781652&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-781652
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ASF GitHub Bot logged work on HDFS-16600:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 15/Jun/22 13:31
Start Date: 15/Jun/22 13:31
Worklog Time Spent: 10m
Work Description: Hexiaoqiao commented on PR #4367:
URL: https://github.com/apache/hadoop/pull/4367#issuecomment-1156477772
Retrigger jenkins and wait to another build result.
Thanks everyone's helpful discussion. I would like to checkin for a while if
no more other comments and build clean.
Issue Time Tracking
-------------------
Worklog Id: (was: 781652)
Time Spent: 4.5h (was: 4h 20m)
> Deadlock on DataNode
> --------------------
>
> Key: HDFS-16600
> URL: https://issues.apache.org/jira/browse/HDFS-16600
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: ZanderXu
> Assignee: ZanderXu
> Priority: Major
> Labels: pull-request-available
> Time Spent: 4.5h
> Remaining Estimate: 0h
>
> The UT
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.testSynchronousEviction
> failed, because happened deadlock, which is introduced by
> [HDFS-16534|https://issues.apache.org/jira/browse/HDFS-16534].
> DeadLock:
> {code:java}
> // org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.createRbw line 1588
> need a read lock
> try (AutoCloseableLock lock = lockManager.readLock(LockLevel.BLOCK_POOl,
> b.getBlockPoolId()))
> // org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.evictBlocks line
> 3526 need a write lock
> try (AutoCloseableLock lock = lockManager.writeLock(LockLevel.BLOCK_POOl,
> bpid))
> {code}
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