Seems like the processing at the server is slow. I am yet to run a perf test. I will run a perf test and fix the issue. Tharindu, could I get the same test setup you are using? I will meet you tomorrow off-line.
Thanks, Indika On Tue, Apr 19, 2011 at 5:32 PM, Tharindu Mathew <[email protected]> wrote: > I'm currently load testing a piece of code using the cassandra client > component. I'm using a Cassandra server running separately. > > It seems that the error is coming from the client side. My load test is > done with level of concurrency = 50. > > The stack trace is given below: > > [2011-04-19 15:06:16,008] INFO > {me.prettyprint.cassandra.hector.TimingLogger} - start[1303205660385] > time[115623] tag[READ.fail_] > [2011-04-19 15:06:15,998] INFO > {me.prettyprint.cassandra.connection.CassandraHostRetryService} - Downed > Host retry shutdown complete > [2011-04-19 15:06:15,997] ERROR > {me.prettyprint.cassandra.connection.HConnectionManager} - Exception: > me.prettyprint.hector.api.exceptions.HTimedOutException: > TimedOutException() > at > me.prettyprint.cassandra.service.ExceptionsTranslatorImpl.translate(ExceptionsTranslatorImpl.java:32) > at > me.prettyprint.cassandra.service.KeyspaceServiceImpl$4.execute(KeyspaceServiceImpl.java:194) > at > me.prettyprint.cassandra.service.KeyspaceServiceImpl$4.execute(KeyspaceServiceImpl.java:176) > at > me.prettyprint.cassandra.service.Operation.executeAndSetResult(Operation.java:101) > at > me.prettyprint.cassandra.connection.HConnectionManager.operateWithFailover(HConnectionManager.java:155) > at > me.prettyprint.cassandra.service.KeyspaceServiceImpl.operateWithFailover(KeyspaceServiceImpl.java:129) > at > me.prettyprint.cassandra.service.KeyspaceServiceImpl.getSuperRangeSlices(KeyspaceServiceImpl.java:198) > at > me.prettyprint.cassandra.model.thrift.ThriftRangeSuperSlicesQuery$1.doInKeyspace(ThriftRangeSuperSlicesQuery.java:71) > at > me.prettyprint.cassandra.model.thrift.ThriftRangeSuperSlicesQuery$1.doInKeyspace(ThriftRangeSuperSlicesQuery.java:67) > at > me.prettyprint.cassandra.model.KeyspaceOperationCallback.doInKeyspaceAndMeasure(KeyspaceOperationCallback.java:20) > at > me.prettyprint.cassandra.model.ExecutingKeyspace.doExecute(ExecutingKeyspace.java:72) > at > me.prettyprint.cassandra.model.thrift.ThriftRangeSuperSlicesQuery.execute(ThriftRangeSuperSlicesQuery.java:66) > at > org.wso2.carbon.bam.receiver.persistence.NoSQLDataStore.persistEvent(NoSQLDataStore.java:135) > at > org.wso2.carbon.bam.receiver.internal.QueueWorker.run(QueueWorker.java:78) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) > at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) > at java.util.concurrent.FutureTask.run(FutureTask.java:138) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:619) > Caused by: TimedOutException() > at > org.apache.cassandra.thrift.Cassandra$get_range_slices_result.read(Cassandra.java:12104) > at > org.apache.cassandra.thrift.Cassandra$Client.recv_get_range_slices(Cassandra.java:732) > at > org.apache.cassandra.thrift.Cassandra$Client.get_range_slices(Cassandra.java:704) > at > me.prettyprint.cassandra.service.KeyspaceServiceImpl$4.execute(KeyspaceServiceImpl.java:182) > ... 18 more > > > > > -- > Regards, > > Tharindu > > > _______________________________________________ > Carbon-dev mailing list > [email protected] > http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev > >
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