TestReadWriteConsistencyControl occasionally hangs
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Key: HBASE-3059
URL: https://issues.apache.org/jira/browse/HBASE-3059
Project: HBase
Issue Type: Bug
Reporter: Hairong Kuang
Assignee: Hairong Kuang
The test hung when I ran mvn test today. The jstack shows that a Writer thread
hung at
"Thread-1" prio=10 tid=0x00002aaad81d2800 nid=0x6ce9 in Object.wait()
[0x0000000040f37000]
java.lang.Thread.State: WAITING (on object monitor) at
java.lang.Object.wait(Native Method)
at
org.apache.hadoop.hbase.regionserver.ReadWriteConsistencyControl.completeMemstoreInsert(ReadWriteConsistencyControl.java:130)
- locked <0x00002aaac9fa0f50> (a java.lang.Object)
at
org.apache.hadoop.hbase.regionserver.TestReadWriteConsistencyControl$Writer.run(TestReadWriteConsistencyControl.java:56)
at java.lang.Thread.run(Thread.java:619)
It seems to be caused by a race condition in
ReadWriteConsistencyControl#completeMemStoreInsert. Accesses/updates of the
value of memStoreRead should be done while holding the readWaiters lock.
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