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From "Joshua McKenzie (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5483) Repair tracing
Date Wed, 12 Nov 2014 22:26:37 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14208811#comment-14208811
] 

Joshua McKenzie commented on CASSANDRA-5483:
--------------------------------------------

Linked branch looks good, renames are solid, tests out fine.  300MB of repairs at RF=3 generated
around 300k of event trace data so I'm comfortable with the current level; we can revisit
paring that down in the future as appropriate.

Patch doesn't apply/rebase to current trunk cleanly - if I could get you to do a quick rebase
we'll be ready to wrap this up.  Thanks for all the hard work on this!

> Repair tracing
> --------------
>
>                 Key: CASSANDRA-5483
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5483
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Tools
>            Reporter: Yuki Morishita
>            Assignee: Ben Chan
>            Priority: Minor
>              Labels: repair
>             Fix For: 3.0
>
>         Attachments: 5483-full-trunk.txt, 5483-v06-04-Allow-tracing-ttl-to-be-configured.patch,
5483-v06-05-Add-a-command-column-to-system_traces.events.patch, 5483-v06-06-Fix-interruption-in-tracestate-propagation.patch,
5483-v07-07-Better-constructor-parameters-for-DebuggableThreadPoolExecutor.patch, 5483-v07-08-Fix-brace-style.patch,
5483-v07-09-Add-trace-option-to-a-more-complete-set-of-repair-functions.patch, 5483-v07-10-Correct-name-of-boolean-repairedAt-to-fullRepair.patch,
5483-v08-11-Shorten-trace-messages.-Use-Tracing-begin.patch, 5483-v08-12-Trace-streaming-in-Differencer-StreamingRepairTask.patch,
5483-v08-13-sendNotification-of-local-traces-back-to-nodetool.patch, 5483-v08-14-Poll-system_traces.events.patch,
5483-v08-15-Limit-trace-notifications.-Add-exponential-backoff.patch, 5483-v09-16-Fix-hang-caused-by-incorrect-exit-code.patch,
5483-v10-17-minor-bugfixes-and-changes.patch, 5483-v10-rebased-and-squashed-471f5cc.patch,
5483-v11-01-squashed.patch, 5483-v11-squashed-nits.patch, 5483-v12-02-cassandra-yaml-ttl-doc.patch,
5483-v13-608fb03-May-14-trace-formatting-changes.patch, 5483-v14-01-squashed.patch, 5483-v15-02-Hook-up-exponential-backoff-functionality.patch,
5483-v15-03-Exact-doubling-for-exponential-backoff.patch, 5483-v15-04-Re-add-old-StorageService-JMX-signatures.patch,
5483-v15-05-Move-command-column-to-system_traces.sessions.patch, 5483-v15.patch, 5483-v17-00.patch,
5483-v17-01.patch, 5483-v17.patch, ccm-repair-test, cqlsh-left-justify-text-columns.patch,
prerepair-vs-postbuggedrepair.diff, test-5483-system_traces-events.txt, trunk@4620823-5483-v02-0001-Trace-filtering-and-tracestate-propagation.patch,
trunk@4620823-5483-v02-0002-Put-a-few-traces-parallel-to-the-repair-logging.patch, trunk@8ebeee1-5483-v01-001-trace-filtering-and-tracestate-propagation.txt,
trunk@8ebeee1-5483-v01-002-simple-repair-tracing.txt, v02p02-5483-v03-0003-Make-repair-tracing-controllable-via-nodetool.patch,
v02p02-5483-v04-0003-This-time-use-an-EnumSet-to-pass-boolean-repair-options.patch, v02p02-5483-v05-0003-Use-long-instead-of-EnumSet-to-work-with-JMX.patch
>
>
> I think it would be nice to log repair stats and results like query tracing stores traces
to system keyspace. With it, you don't have to lookup each log file to see what was the status
and how it performed the repair you invoked. Instead, you can query the repair log with session
ID to see the state and stats of all nodes involved in that repair session.



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