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Posted to commits@cassandra.apache.org by "Paulo Motta (Jira)" <ji...@apache.org> on 2021/03/31 19:07:00 UTC
[jira] [Updated] (CASSANDRA-11307) Inappropriate WARN log message
for commit log sync delay when using commitlog_sync: batch
[ https://issues.apache.org/jira/browse/CASSANDRA-11307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Paulo Motta updated CASSANDRA-11307:
------------------------------------
Resolution: Fixed
Status: Resolved (was: Open)
closing as duplicate of CASSANDRA-14451
> Inappropriate WARN log message for commit log sync delay when using commitlog_sync: batch
> -----------------------------------------------------------------------------------------
>
> Key: CASSANDRA-11307
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11307
> Project: Cassandra
> Issue Type: Bug
> Components: Legacy/Core
> Environment: Linux
> Reporter: Gary Ogasawara
> Priority: Low
>
> In v2.1.11 when using configuration
> commitlog_sync: batch
> commitlog_sync_batch_window_in_ms: 2
> will frequently get this WARN log though there is not a real problem.
> WARN [COMMIT-LOG-WRITER] 2016-03-03 00:40:11,646 AbstractCommitLogService.java:105 - Out of 142412 commit log syncs over the past 300s with average duration of 0.00ms, 35 have exceeded the configured commit interval by an average of 3.66ms
> WARN [COMMIT-LOG-WRITER] 2016-03-03 00:45:11,755 AbstractCommitLogService.java:105 - Out of 104605 commit log syncs over the past 300s with average duration of 1.74ms, 18314 have exceeded the configured commit interval by an average of 6.33ms
> Looks like BatchCommitLogService sets AbstractCommitLogService() pollIntervalMillis to the configured commitlog_sync_batch_window_in_ms. Since CASSANDRA-9504, this is by default set to 2 which causes this WARN message to be triggered unnecessarily.
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