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https://issues.apache.org/jira/browse/CASSANDRA-5658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13687368#comment-13687368
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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.
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