I experienced this - it's might be GC or compaction process. Try to increase timeout value in the config file. It's not a fix, but at least something...
On Mon, Nov 9, 2009 at 11:25 PM, Chris Were <[email protected]> wrote: > > I'm getting a Timeout Exception every now and again (currently every couple > of minutes or so). > > Using revision 833288. Quorum set to ONE. My cassandra instance has been > running for two days and the data directory is around 16GB. I'm not sure > what the problem is, but let me know of any tests I can do to help reduce > the problem further. There are two variations on the exception, I have > pasted them both below. > > ERROR [pool-1-thread-63] 2009-11-09 20:17:27,579 Cassandra.java (line > org.apache.cassandra.service.Cassandra$Processor) Internal error processing > get_slice > java.lang.RuntimeException: java.util.concurrent.TimeoutException: > Operation timed out - received only 0 responses from . > at > org.apache.cassandra.service.CassandraServer.readColumnFamily(CassandraServer.java:103) > at > org.apache.cassandra.service.CassandraServer.getSlice(CassandraServer.java:177) > at > org.apache.cassandra.service.CassandraServer.multigetSliceInternal(CassandraServer.java:252) > at > org.apache.cassandra.service.CassandraServer.get_slice(CassandraServer.java:215) > at > org.apache.cassandra.service.Cassandra$Processor$get_slice.process(Cassandra.java:668) > at > org.apache.cassandra.service.Cassandra$Processor.process(Cassandra.java:624) > at > org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:253) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > at java.lang.Thread.run(Thread.java:636) > Caused by: java.util.concurrent.TimeoutException: Operation timed out - > received only 0 responses from . > at > org.apache.cassandra.service.QuorumResponseHandler.get(QuorumResponseHandler.java:79) > at > org.apache.cassandra.service.StorageProxy.strongRead(StorageProxy.java:408) > at > org.apache.cassandra.service.StorageProxy.readProtocol(StorageProxy.java:333) > at > org.apache.cassandra.service.CassandraServer.readColumnFamily(CassandraServer.java:95) > ... 9 more > > ERROR [pool-1-thread-19] 2009-11-09 11:29:18,731 Cassandra.java (line > org.apache.cassandra.service.Cassandra$Processor) Internal error processing > get_slice > java.lang.RuntimeException: java.util.concurrent.TimeoutException: > Operation timed out - received only 1 responses from /10.121.217.5 . > at > org.apache.cassandra.service.CassandraServer.readColumnFamily(CassandraServer.java:103) > at > org.apache.cassandra.service.CassandraServer.getSlice(CassandraServer.java:177) > at > org.apache.cassandra.service.CassandraServer.multigetSliceInternal(CassandraServer.java:252) > at > org.apache.cassandra.service.CassandraServer.get_slice(CassandraServer.java:215) > at > org.apache.cassandra.service.Cassandra$Processor$get_slice.process(Cassandra.java:668) > at > org.apache.cassandra.service.Cassandra$Processor.process(Cassandra.java:624) > at > org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:253) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > at java.lang.Thread.run(Thread.java:636) > Caused by: java.util.concurrent.TimeoutException: Operation timed out - > received only 1 responses from /10.121.217.5 . > at > org.apache.cassandra.service.QuorumResponseHandler.get(QuorumResponseHandler.java:79) > at > org.apache.cassandra.service.StorageProxy.strongRead(StorageProxy.java:408) > at > org.apache.cassandra.service.StorageProxy.readProtocol(StorageProxy.java:333) > at > org.apache.cassandra.service.CassandraServer.readColumnFamily(CassandraServer.java:95) > ... 9 more > > Cheers, > Chris >
