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
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