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https://issues.apache.org/jira/browse/HDFS-16600?focusedWorklogId=780274&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-780274
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ASF GitHub Bot logged work on HDFS-16600:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 10/Jun/22 10:14
Start Date: 10/Jun/22 10:14
Worklog Time Spent: 10m
Work Description: Hexiaoqiao commented on PR #4367:
URL: https://github.com/apache/hadoop/pull/4367#issuecomment-1152205735
> Oh, I'm sorry, the failed UT is
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestLazyPersistReplicaPlacement.testSynchronousEviction.
Thanks @ZanderXu for your information. I think it can cover this case, let's
wait what Ayush think about it.
Just find the latest build not clean. Try to trigger jenkins again, let's
wait what it will say.
Issue Time Tracking
-------------------
Worklog Id: (was: 780274)
Time Spent: 3h 20m (was: 3h 10m)
> 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: 3h 20m
> 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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