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Posted to dev@hbase.apache.org by "Heng Chen (JIRA)" <ji...@apache.org> on 2015/08/02 09:52:05 UTC
[jira] [Created] (HBASE-14178) regionserver blocks because of
waiting for offsetLock
Heng Chen created HBASE-14178:
---------------------------------
Summary: regionserver blocks because of waiting for offsetLock
Key: HBASE-14178
URL: https://issues.apache.org/jira/browse/HBASE-14178
Project: HBase
Issue Type: Bug
Reporter: Heng Chen
Priority: Critical
My regionserver blocks, and all client rpc timeout.
I print the regionserver's jstack, it seems a lot of thread was blocked for waiting offsetLock, detail infomation belows:
{code}
"B.DefaultRpcServer.handler=2,queue=2,port=60020" #82 daemon prio=5 os_prio=0 tid=0x0000000001827000 nid=0x2cdc in Object.wait() [0x00007f3831b72000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at org.apache.hadoop.hbase.util.IdLock.getLockEntry(IdLock.java:79)
- locked <0x0000000773af7c18> (a org.apache.hadoop.hbase.util.IdLock$Entry)
at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:352)
at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:253)
at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:524)
at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.reseekTo(HFileReaderV2.java:572)
at org.apache.hadoop.hbase.regionserver.StoreFileScanner.reseekAtOrAfter(StoreFileScanner.java:257)
at org.apache.hadoop.hbase.regionserver.StoreFileScanner.reseek(StoreFileScanner.java:173)
at org.apache.hadoop.hbase.regionserver.NonLazyKeyValueScanner.doRealSeek(NonLazyKeyValueScanner.java:55)
at org.apache.hadoop.hbase.regionserver.KeyValueHeap.generalizedSeek(KeyValueHeap.java:313)
at org.apache.hadoop.hbase.regionserver.KeyValueHeap.requestSeek(KeyValueHeap.java:269)
at org.apache.hadoop.hbase.regionserver.StoreScanner.reseek(StoreScanner.java:695)
at org.apache.hadoop.hbase.regionserver.StoreScanner.seekAsDirection(StoreScanner.java:683)
at org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:533)
at org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:140)
at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.populateResult(HRegion.java:3889)
at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:3969)
at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:3847)
at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:3820)
- locked <0x00000005e5c55ad0> (a org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl)
at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:3807)
at org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:4779)
at org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:4753)
at org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java:2916)
at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:29583)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2027)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:108)
at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:114)
at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:94)
at java.lang.Thread.run(Thread.java:745)
Locked ownable synchronizers:
- <0x00000005e5c55c08> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
{code}
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