Hi, guys
I encounter a error when I execute a query in kylin. Exception is as
followings:
org.apache.hadoop.hbase.DoNotRetryIOException:
org.apache.hadoop.hbase.DoNotRetryIOException: Coprocessor passed deadline!
Maybe server is overloaded at
org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.CubeVisitService.checkDeadline(CubeVisitService.java:223)
at
org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.CubeVisitService.visitCube(CubeVisitService.java:255)
at
org.apache.kylin.storage.hbase.cube.v2.coprocessor.endpoint.generated.CubeVisitProtos$CubeVisitService.callMethod(CubeVisitProtos.java:5465)
at org.apache.hadoop.hbase.regionserver.HRegion.execService(HRegion.java:7845)
at
org.apache.hadoop.hbase.regionserver.RSRpcServices.execServiceOnRegion(RSRpcServices.java:1988)
at
org.apache.hadoop.hbase.regionserver.RSRpcServices.execService(RSRpcServices.java:1970)
at
org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:33652)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2170) at
org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:109) at
org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:185) at
org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:165)
Hbase side logs is as followings:
There exists two same coprocessor hander thread. It is abnormal. why?