Hi daniedeng, Please file a JIRA at https://issues.apache.org/jira/browse/HDFS with details about your issue, and someone will take a look.
Best, Andrew On Sun, Oct 18, 2015 at 6:43 PM, daniedeng(邓飞) <danied...@tencent.com> wrote: > > > ------------------------------ > daniedeng(邓飞) > > > *发件人：* daniedeng(邓飞) <danied...@tencent.com> > *发送时间：* 2015-10-16 15:44 > *收件人：* hdfs-issues <hdfs-iss...@hadoop.apache.org>; u...@hadoop.apache.org > *主题：* DFSClient got deadlock when close file and failed to renew lease > Hi,All > We found a deadlock at our HBase(0.98) cluster(and the Hadoop Version > is 2.2.0),and it should be HDFS BUG,at the time our network is not stable. > below is the stack: > > > ************************************************************************************************************************************* > Found one Java-level deadlock: > ============================= > "MemStoreFlusher.1": > waiting to lock monitor 0x00007ff27cfa5218 (object 0x00000002fae5ebe0, a > org.apache.hadoop.hdfs.LeaseRenewer), > which is held by "LeaseRenewer:hbaseadmin@hbase-ns-gdt-sh-marvel" > "LeaseRenewer:hbaseadmin@hbase-ns-gdt-sh-marvel": > waiting to lock monitor 0x00007ff2e67e16a8 (object 0x0000000486ce6620, a > org.apache.hadoop.hdfs.DFSOutputStream), > which is held by "MemStoreFlusher.0" > "MemStoreFlusher.0": > waiting to lock monitor 0x00007ff27cfa5218 (object 0x00000002fae5ebe0, a > org.apache.hadoop.hdfs.LeaseRenewer), > which is held by "LeaseRenewer:hbaseadmin@hbase-ns-gdt-sh-marvel" > > Java stack information for the threads listed above: > =================================================== > "MemStoreFlusher.1": > at org.apache.hadoop.hdfs.LeaseRenewer.addClient(LeaseRenewer.java:216) > - waiting to lock <0x00000002fae5ebe0> (a > org.apache.hadoop.hdfs.LeaseRenewer) > at org.apache.hadoop.hdfs.LeaseRenewer.getInstance(LeaseRenewer.java:81) > at org.apache.hadoop.hdfs.DFSClient.getLeaseRenewer(DFSClient.java:648) > at org.apache.hadoop.hdfs.DFSClient.endFileLease(DFSClient.java:659) > at org.apache.hadoop.hdfs.DFSOutputStream.close(DFSOutputStream.java:1882) > - locked <0x000000055b606cb0> (a org.apache.hadoop.hdfs.DFSOutputStream) > at > org.apache.hadoop.fs.FSDataOutputStream$PositionCache.close(FSDataOutputStream.java:71) > at > org.apache.hadoop.fs.FSDataOutputStream.close(FSDataOutputStream.java:104) > at > org.apache.hadoop.hbase.io.hfile.AbstractHFileWriter.finishClose(AbstractHFileWriter.java:250) > at > org.apache.hadoop.hbase.io.hfile.HFileWriterV2.close(HFileWriterV2.java:402) > at > org.apache.hadoop.hbase.regionserver.StoreFile$Writer.close(StoreFile.java:974) > at > org.apache.hadoop.hbase.regionserver.StoreFlusher.finalizeWriter(StoreFlusher.java:78) > at > org.apache.hadoop.hbase.regionserver.DefaultStoreFlusher.flushSnapshot(DefaultStoreFlusher.java:75) > - locked <0x000000059869eed8> (a java.lang.Object) > at org.apache.hadoop.hbase.regionserver.HStore.flushCache(HStore.java:812) > at > org.apache.hadoop.hbase.regionserver.HStore$StoreFlusherImpl.flushCache(HStore.java:1974) > at > org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1795) > at > org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1678) > at > org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:1591) > at > org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:472) > at > org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushOneForGlobalPressure(MemStoreFlusher.java:211) > at > org.apache.hadoop.hbase.regionserver.MemStoreFlusher.access$500(MemStoreFlusher.java:66) > at > org.apache.hadoop.hbase.regionserver.MemStoreFlusher$FlushHandler.run(MemStoreFlusher.java:238) > at java.lang.Thread.run(Thread.java:744) > "LeaseRenewer:hbaseadmin@hbase-ns-gdt-sh-marvel": > at org.apache.hadoop.hdfs.DFSOutputStream.abort(DFSOutputStream.java:1822) > - waiting to lock <0x0000000486ce6620> (a > org.apache.hadoop.hdfs.DFSOutputStream) > at > org.apache.hadoop.hdfs.DFSClient.closeAllFilesBeingWritten(DFSClient.java:780) > at org.apache.hadoop.hdfs.DFSClient.abort(DFSClient.java:753) > at org.apache.hadoop.hdfs.LeaseRenewer.run(LeaseRenewer.java:453) > - locked <0x00000002fae5ebe0> (a org.apache.hadoop.hdfs.LeaseRenewer) > at org.apache.hadoop.hdfs.LeaseRenewer.access$700(LeaseRenewer.java:71) > at org.apache.hadoop.hdfs.LeaseRenewer$1.run(LeaseRenewer.java:298) > at java.lang.Thread.run(Thread.java:744) > "MemStoreFlusher.0": > at org.apache.hadoop.hdfs.LeaseRenewer.addClient(LeaseRenewer.java:216) > - waiting to lock <0x00000002fae5ebe0> (a > org.apache.hadoop.hdfs.LeaseRenewer) > at org.apache.hadoop.hdfs.LeaseRenewer.getInstance(LeaseRenewer.java:81) > at org.apache.hadoop.hdfs.DFSClient.getLeaseRenewer(DFSClient.java:648) > at org.apache.hadoop.hdfs.DFSClient.endFileLease(DFSClient.java:659) > at org.apache.hadoop.hdfs.DFSOutputStream.close(DFSOutputStream.java:1882) > - locked <0x0000000486ce6620> (a org.apache.hadoop.hdfs.DFSOutputStream) > at > org.apache.hadoop.fs.FSDataOutputStream$PositionCache.close(FSDataOutputStream.java:71) > at > org.apache.hadoop.fs.FSDataOutputStream.close(FSDataOutputStream.java:104) > at > org.apache.hadoop.hbase.io.hfile.AbstractHFileWriter.finishClose(AbstractHFileWriter.java:250) > at > org.apache.hadoop.hbase.io.hfile.HFileWriterV2.close(HFileWriterV2.java:402) > at > org.apache.hadoop.hbase.regionserver.StoreFile$Writer.close(StoreFile.java:974) > at > org.apache.hadoop.hbase.regionserver.StoreFlusher.finalizeWriter(StoreFlusher.java:78) > at > org.apache.hadoop.hbase.regionserver.DefaultStoreFlusher.flushSnapshot(DefaultStoreFlusher.java:75) > - locked <0x00000004888f6848> (a java.lang.Object) > at org.apache.hadoop.hbase.regionserver.HStore.flushCache(HStore.java:812) > at > org.apache.hadoop.hbase.regionserver.HStore$StoreFlusherImpl.flushCache(HStore.java:1974) > at > org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1795) > at > org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1678) > at > org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:1591) > at > org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:472) > at > org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:435) > at > org.apache.hadoop.hbase.regionserver.MemStoreFlusher.access$800(MemStoreFlusher.java:66) > at > org.apache.hadoop.hbase.regionserver.MemStoreFlusher$FlushHandler.run(MemStoreFlusher.java:253) > at java.lang.Thread.run(Thread.java:744) > > Found 1 deadlock. > > ********************************************************************** > > > the thread "MemStoreFlusher.0" is closing outputStream and remove it's > lease ; > other side the daemon thread "LeaseRenewer" failed to connect active nn > for renewing lease,but got SocketTimeoutException cause of network is > not good,so abort outputstream. > then deadlock is made. > > and it seems not solved at Hadoop 2.7.1 .If confirmed , we can fixed the > issue. > > > daniedeng(邓飞) > > >
