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https://issues.apache.org/jira/browse/HDFS-9445?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Junping Du updated HDFS-9445:
-----------------------------
Resolution: Fixed
Fix Version/s: 2.6.4
Status: Resolved (was: Patch Available)
I have merge the 2.6 patch to branch-2.6. Thanks [~walter.k.su] and [~ajisakaa]
for help on this!
> Datanode may deadlock while handling a bad volume
> -------------------------------------------------
>
> Key: HDFS-9445
> URL: https://issues.apache.org/jira/browse/HDFS-9445
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.7.2
> Reporter: Kihwal Lee
> Assignee: Walter Su
> Priority: Blocker
> Fix For: 3.0.0, 2.7.2, 2.6.4
>
> Attachments: HDFS-9445-branch-2.6.02.patch,
> HDFS-9445-branch-2.6_02.patch, HDFS-9445.00.patch, HDFS-9445.01.patch,
> HDFS-9445.02.patch
>
>
> {noformat}
> Found one Java-level deadlock:
> =============================
> "DataXceiver for client DFSClient_attempt_xxx at /1.2.3.4:100 [Sending block
> BP-xxxxx:blk_123_456]":
> waiting to lock monitor 0x00007f77d0731768 (object 0x00000000d60d9930, a
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl),
> which is held by "Thread-565"
> "Thread-565":
> waiting for ownable synchronizer 0x00000000d55613c8, (a
> java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync),
> which is held by "DataNode: heartbeating to my-nn:8020"
> "DataNode: heartbeating to my-nn:8020":
> waiting to lock monitor 0x00007f77d0731768 (object 0x00000000d60d9930, a
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl),
> which is held by "Thread-565"
> {noformat}
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