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From "Jason Brown (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-14451) Infinity ms Commit Log Sync
Date Fri, 01 Jun 2018 12:15:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-14451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16497916#comment-16497916
] 

Jason Brown commented on CASSANDRA-14451:
-----------------------------------------

As I suspected, this is just a bug with logging (due to CASSANDRA-14108), and no real behavior
or correctness is impacted. I have a patch for 3.11, but need to port to 3.0 and trunk.

> Infinity ms Commit Log Sync
> ---------------------------
>
>                 Key: CASSANDRA-14451
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14451
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: 3.11.2 - 2 DC
>            Reporter: Harry Hough
>            Assignee: Jason Brown
>            Priority: Minor
>
> Its giving commit log sync warnings where there were apparently zero syncs and therefore
gives "Infinityms" as the average duration
> {code:java}
> WARN [PERIODIC-COMMIT-LOG-SYNCER] 2018-05-16 21:11:14,294 NoSpamLogger.java:94 - Out
of 0 commit log syncs over the past 0.00s with average duration of Infinityms, 1 have exceeded
the configured commit interval by an average of 74.40ms 
> WARN [PERIODIC-COMMIT-LOG-SYNCER] 2018-05-16 21:16:57,844 NoSpamLogger.java:94 - Out
of 0 commit log syncs over the past 0.00s with average duration of Infinityms, 1 have exceeded
the configured commit interval by an average of 198.69ms 
> WARN [PERIODIC-COMMIT-LOG-SYNCER] 2018-05-16 21:24:46,325 NoSpamLogger.java:94 - Out
of 0 commit log syncs over the past 0.00s with average duration of Infinityms, 1 have exceeded
the configured commit interval by an average of 264.11ms 
> WARN [PERIODIC-COMMIT-LOG-SYNCER] 2018-05-16 21:29:46,393 NoSpamLogger.java:94 - Out
of 32 commit log syncs over the past 268.84s with, average duration of 17.56ms, 1 have exceeded
the configured commit interval by an average of 173.66ms{code}



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