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From Jianshi Huang <jianshi.hu...@gmail.com>
Subject Help: RegionTooBusyException: failed to get a lock in 60000 ms
Date Fri, 05 Sep 2014 15:15:35 GMT
I'm importing 2TB of generated HFiles to HBase and I constantly get the
following errors:

Caused by:
org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.RegionTooBusyException):
org.apache.hadoop.hbase.RegionTooBusyException: failed to get a lock in
60000 ms.
regionName=grapple_edges_v2,ff000000,1409817320781.6d2955c780b39523de733f3565642d96.,
server=xxxxx.xxx.xxx,60020,1404854700728
        at
org.apache.hadoop.hbase.regionserver.HRegion.lock(HRegion.java:5851)
        at
org.apache.hadoop.hbase.regionserver.HRegion.lock(HRegion.java:5837)
        at
org.apache.hadoop.hbase.regionserver.HRegion.startBulkRegionOperation(HRegion.java:5795)
        at
org.apache.hadoop.hbase.regionserver.HRegion.bulkLoadHFiles(HRegion.java:3543)
        at
org.apache.hadoop.hbase.regionserver.HRegion.bulkLoadHFiles(HRegion.java:3525)
        at
org.apache.hadoop.hbase.regionserver.HRegionServer.bulkLoadHFile(HRegionServer.java:3277)
        at
org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:28863)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2008)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:92)
        at
org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.consumerLoop(SimpleRpcScheduler.java:160)
        at
org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.access$000(SimpleRpcScheduler.java:38)
        at
org.apache.hadoop.hbase.ipc.SimpleRpcScheduler$1.run(SimpleRpcScheduler.java:110)
        at java.lang.Thread.run(Thread.java:724)

        at org.apache.hadoop.hbase.ipc.RpcClient.call(RpcClient.java:1498)
        at
org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1684)
        at
org.apache.hadoop.hbase.ipc.RpcClient$BlockingRpcChannelImplementation.callBlockingMethod(RpcClient.java:1737)
        at
org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$BlockingStub.bulkLoadHFile(ClientProtos.java:29276)
        at
org.apache.hadoop.hbase.protobuf.ProtobufUtil.bulkLoadHFile(ProtobufUtil.java:1548)
        ... 11 more


What makes the region too busy? Is there a way to improve it?

Does that also mean some part of my data are not correctly imported?


Thanks,

-- 
Jianshi Huang

LinkedIn: jianshi
Twitter: @jshuang
Github & Blog: http://huangjs.github.com/

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