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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5658) TracingStage frequently times out
Date Wed, 19 Jun 2013 05:18:20 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13687621#comment-13687621
] 

Jonathan Ellis commented on CASSANDRA-5658:
-------------------------------------------

I thought we had a warning for when we have to drop a mutation on the floor b/c the table
doesn't exist yet.  If you don't see anything like that in the log we should probably add
it back.  (And if it is in the log, we should add a Tracing entry as well.)
                
> TracingStage frequently times out
> ---------------------------------
>
>                 Key: CASSANDRA-5658
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5658
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.2.4, 1.2.6, 2.0
>            Reporter: Ryan McGuire
>         Attachments: 5658-logs.tar.gz, trace_bug.cql, trace_bug_cqlsh.py, trace_bug.py
>
>
> I am seeing frequent timeout errors when doing programmatic traces via trace_next_query()
> {code}
> ERROR [TracingStage:1] 2013-06-18 19:10:20,669 CassandraDaemon.java (line 196) Exception
in thread Thread[TracingStage:1,5,main]
> java.lang.RuntimeException: org.apache.cassandra.exceptions.WriteTimeoutException: Operation
timed out - received only 0 responses.
>         at com.google.common.base.Throwables.propagate(Throwables.java:160)
>         at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:32)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:722)
> Caused by: org.apache.cassandra.exceptions.WriteTimeoutException: Operation timed out
- received only 0 responses.
>         at org.apache.cassandra.service.AbstractWriteResponseHandler.get(AbstractWriteResponseHandler.java:81)
>         at org.apache.cassandra.service.StorageProxy.mutate(StorageProxy.java:454)
>         at org.apache.cassandra.tracing.TraceState$1.runMayThrow(TraceState.java:100)
>         at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
>         ... 3 more
> {code}
> Attached is the sample code which produced this error and the logs. The error occurs
directly after the INSERT statement.

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