Jiandan Yang created HDFS-12757:
------------------------------------
Summary: DeadLock Happened Between DFSOutputStream and
LeaseRenewer when LeaseRenewer#renew SocketTimeException
Key: HDFS-12757
URL: https://issues.apache.org/jira/browse/HDFS-12757
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs-client
Reporter: Jiandan Yang
Priority: Major
Java stack is :
Found one Java-level deadlock:
=============================
"Topology-2 (735/2000)":
waiting to lock monitor 0x00007fff4523e6e8 (object 0x00000005d3521078, a
org.apache.hadoop.hdfs.client.impl.LeaseRenewer),
which is held by "LeaseRenewer:admin@na61storage"
"LeaseRenewer:admin@na61storage":
waiting to lock monitor 0x00007fff5d41e838 (object 0x00000005ec0dfa88, a
org.apache.hadoop.hdfs.DFSOutputStream),
which is held by "Topology-2 (735/2000)"
Java stack information for the threads listed above:
===================================================
"Topology-2 (735/2000)":
at
org.apache.hadoop.hdfs.client.impl.LeaseRenewer.addClient(LeaseRenewer.java:227)
- waiting to lock <0x00000005d3521078> (a
org.apache.hadoop.hdfs.client.impl.LeaseRenewer)
at
org.apache.hadoop.hdfs.client.impl.LeaseRenewer.getInstance(LeaseRenewer.java:86)
at org.apache.hadoop.hdfs.DFSClient.getLeaseRenewer(DFSClient.java:467)
at org.apache.hadoop.hdfs.DFSClient.endFileLease(DFSClient.java:479)
at
org.apache.hadoop.hdfs.DFSOutputStream.setClosed(DFSOutputStream.java:776)
at
org.apache.hadoop.hdfs.DFSOutputStream.closeThreads(DFSOutputStream.java:791)
at
org.apache.hadoop.hdfs.DFSOutputStream.closeImpl(DFSOutputStream.java:848)
- locked <0x00000005ec0dfa88> (a org.apache.hadoop.hdfs.DFSOutputStream)
at
org.apache.hadoop.hdfs.DFSOutputStream.close(DFSOutputStream.java:805)
- locked <0x00000005ec0dfa88> (a org.apache.hadoop.hdfs.DFSOutputStream)
at
org.apache.hadoop.fs.FSDataOutputStream$PositionCache.close(FSDataOutputStream.java:72)
at
org.apache.hadoop.fs.FSDataOutputStream.close(FSDataOutputStream.java:106)
......
"LeaseRenewer:admin@na61storage":
at
org.apache.hadoop.hdfs.DFSOutputStream.abort(DFSOutputStream.java:750)
- waiting to lock <0x00000005ec0dfa88> (a
org.apache.hadoop.hdfs.DFSOutputStream)
at
org.apache.hadoop.hdfs.DFSClient.closeAllFilesBeingWritten(DFSClient.java:586)
at
org.apache.hadoop.hdfs.client.impl.LeaseRenewer.run(LeaseRenewer.java:453)
- locked <0x00000005d3521078> (a
org.apache.hadoop.hdfs.client.impl.LeaseRenewer)
at
org.apache.hadoop.hdfs.client.impl.LeaseRenewer.access$700(LeaseRenewer.java:76)
at
org.apache.hadoop.hdfs.client.impl.LeaseRenewer$1.run(LeaseRenewer.java:310)
at java.lang.Thread.run(Thread.java:834)
Found 1 deadlock.
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