> Caused by: TimedOutException() Means the nodes involved in the request did not return to the co ordinator before the rpc_timeout expired.
Check the logs on the servers to see if they are overloaded and dropping messages. Also check that you are not asking for too much data. Cheers ----------------- Aaron Morton Freelance Cassandra Developer New Zealand @aaronmorton http://www.thelastpickle.com On 11/12/2012, at 10:13 PM, dong.yajun <[email protected]> wrote: > hi list, > I am using Cassandra with 3 data centers, each DC has more than 10 nodes. > > the schema for a keyspace: > {DC1:3, DC2:3, DC3:3} > > now, I put some rows using hector with CL Local_Quorum in DC1 ，and then I get > a row with the same CL Local_Quorum in DC1，some exceptions were occured: > > Cassandra with dsc-1.0.5, and Hector with 1.1-2. > > 2012-12-05 21:26:49,667 - WARN [pool-1-thread-3:JCLLoggerAdapter@379] - Could > not fullfill request on this host CassandraClient172.16.74.31:9160-1 > 2012-12-05 21:26:49,668 - WARN [pool-1-thread-3:JCLLoggerAdapter@437] - > Exception: > me.prettyprint.hector.api.exceptions.HTimedOutException: TimedOutException() > at > me.prettyprint.cassandra.service.ExceptionsTranslatorImpl.translate(ExceptionsTranslatorImpl.java:35) > at > me.prettyprint.cassandra.service.KeyspaceServiceImpl$3.execute(KeyspaceServiceImpl.java:163) > at > me.prettyprint.cassandra.service.KeyspaceServiceImpl$3.execute(KeyspaceServiceImpl.java:145) > at > me.prettyprint.cassandra.service.Operation.executeAndSetResult(Operation.java:103) > at > me.prettyprint.cassandra.connection.HConnectionManager.operateWithFailover(HConnectionManager.java:258) > at > me.prettyprint.cassandra.service.KeyspaceServiceImpl.operateWithFailover(KeyspaceServiceImpl.java:131) > at > me.prettyprint.cassandra.service.KeyspaceServiceImpl.getRangeSlices(KeyspaceServiceImpl.java:167) > at > me.prettyprint.cassandra.model.thrift.ThriftRangeSlicesQuery$1.doInKeyspace(ThriftRangeSlicesQuery.java:66) > at > me.prettyprint.cassandra.model.thrift.ThriftRangeSlicesQuery$1.doInKeyspace(ThriftRangeSlicesQuery.java:62) > at > me.prettyprint.cassandra.model.KeyspaceOperationCallback.doInKeyspaceAndMeasure(KeyspaceOperationCallback.java:20) > at > me.prettyprint.cassandra.model.ExecutingKeyspace.doExecute(ExecutingKeyspace.java:85) > at > me.prettyprint.cassandra.model.thrift.ThriftRangeSlicesQuery.execute(ThriftRangeSlicesQuery.java:61) > org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:176) > at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) > at java.lang.Thread.run(Unknown Source) > Caused by: TimedOutException() > at > org.apache.cassandra.thrift.Cassandra$get_range_slices_result.read(Cassandra.java:12830) > at > org.apache.cassandra.thrift.Cassandra$Client.recv_get_range_slices(Cassandra.java:762) > at > org.apache.cassandra.thrift.Cassandra$Client.get_range_slices(Cassandra.java:734) > at > me.prettyprint.cassandra.service.KeyspaceServiceImpl$3.execute(KeyspaceServiceImpl.java:151) > ... 19 more > > any suggestion with this issue? thanks. > > >
