[ https://issues.apache.org/jira/browse/CASSANDRA-5658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13687368#comment-13687368 ]
Ryan McGuire commented on CASSANDRA-5658: ----------------------------------------- I see the following in the system_trace keyspace: {code} cqlsh:system_traces> select * FROM sessions ... ; session_id | coordinator | duration | parameters | request | started_at --------------------------------------+-------------+----------+--------------------------------------------------------------+--------------------+-------------------------- 396cb7b0-d86c-11e2-8be4-35db2404c433 | 127.0.0.1 | 10062609 | {query: INSERT INTO test.test (id, value) VALUES (1, 'one')} | execute_cql3_query | 2013-06-18 19:10:10-0400 cqlsh:system_traces> select * from events WHERE session_id = 396cb7b0-d86c-11e2-8be4-35db2404c433; session_id | event_id | activity | source | source_elapsed | thread --------------------------------------+--------------------------------------+-------------------------------------------------------------+-----------+----------------+------------------ 396cb7b0-d86c-11e2-8be4-35db2404c433 | 396e1740-d86c-11e2-8be4-35db2404c433 | Parsing INSERT INTO test.test (id, value) VALUES (1, 'one') | 127.0.0.1 | 5622 | Thrift:1 396cb7b0-d86c-11e2-8be4-35db2404c433 | 396e3e50-d86c-11e2-8be4-35db2404c433 | Peparing statement | 127.0.0.1 | 6636 | Thrift:1 396cb7b0-d86c-11e2-8be4-35db2404c433 | 39760680-d86c-11e2-8be4-35db2404c433 | Sending message to /127.0.0.2 | 127.0.0.1 | 57681 | WRITE-/127.0.0.2 396cb7b0-d86c-11e2-8be4-35db2404c433 | 3f6c35a0-d86c-11e2-8be4-35db2404c433 | Write timeout | 127.0.0.1 | 10059608 | Thrift:1 {code} > TracingStage frequently times out > --------------------------------- > > Key: CASSANDRA-5658 > URL: https://issues.apache.org/jira/browse/CASSANDRA-5658 > Project: Cassandra > Issue Type: Bug > Affects Versions: 2.0 > Reporter: Ryan McGuire > Attachments: system.log, 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. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira