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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1196) OOME in HRS IPC server causes infinite client stall
Date Wed, 11 Feb 2009 18:46:59 GMT
OOME in HRS IPC server causes infinite client stall
---------------------------------------------------

                 Key: HBASE-1196
                 URL: https://issues.apache.org/jira/browse/HBASE-1196
             Project: Hadoop HBase
          Issue Type: Bug
            Reporter: Andrew Purtell
            Priority: Critical


OOME in IPC server handler causes the IPC handler to abort, but the client never learns about
this, so it waits and waits and waits... I have seen Heritrix writer threads that have been
waiting for 7+ hours. And, the OOME does not take down the HRS, so it stays up in some degraded
state.  E.g.:

java.lang.OutOfMemoryError: Java heap space
Dumping heap to java_pid13008.hprof
Exception in thread "IPC Server handler 5 on 60020" java.lang.OutOfMemoryError: Java heap
space
at java.util.Arrays.copyOf(Arrays.java:2786)
at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:94)
at java.io.DataOutputStream.write(DataOutputStream.java:90)
at org.apache.hadoop.hbase.util.Bytes.writeByteArray(Bytes.java:82)
at org.apache.hadoop.hbase.io.Cell.write(Cell.java:162)
at org.apache.hadoop.hbase.io.HbaseMapWritable.write(HbaseMapWritable.java:200)
at org.apache.hadoop.hbase.io.RowResult.write(RowResult.java:249)
at org.apache.hadoop.hbase.io.HbaseObjectWritable.writeObject(HbaseObjectWritable.java:300)
at org.apache.hadoop.hbase.io.HbaseObjectWritable.write(HbaseObjectWritable.java:262)
at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:917)
Exception in thread "IPC Server handler 7 on 60020" java.lang.OutOfMemoryError: Java heap
space
Exception in thread "IPC Server handler 4 on 60020" java.lang.OutOfMemoryError: Java heap
space
Exception in thread "IPC Server handler 2 on 60020" java.lang.OutOfMemoryError: Java heap
space
Exception in thread "IPC Server handler 3 on 60020" java.lang.OutOfMemoryError: Java heap
space
Exception in thread "IPC Server handler 0 on 60020" java.lang.OutOfMemoryError: Java heap
space
Exception in thread "IPC Server handler 6 on 60020" java.lang.OutOfMemoryError: Java heap
space
Exception in thread "IPC Server handler 9 on 60020" java.lang.OutOfMemoryError: Java heap
space
Exception in thread "IPC Server handler 1 on 60020" java.lang.OutOfMemoryError: Java heap
space
Exception in thread "IPC Server handler 8 on 60020" java.lang.OutOfMemoryError: Java heap
space


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