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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ACCUMULO-4832) Seeing warnings when write ahead log changes.
Date Mon, 26 Feb 2018 19:47:00 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-4832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ASF GitHub Bot updated ACCUMULO-4832:
-------------------------------------
    Labels: pull-request-available  (was: )

> Seeing warnings when write ahead log changes.
> ---------------------------------------------
>
>                 Key: ACCUMULO-4832
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4832
>             Project: Accumulo
>          Issue Type: Bug
>            Reporter: Keith Turner
>            Assignee: Ivan Bella
>            Priority: Blocker
>              Labels: pull-request-available
>             Fix For: 1.7.4, 1.9.0, 2.0.0
>
>
> While running continuous ingest against 1.7.4-rc0 I saw a lot of warning like the followng.
> {noformat}
> 2018-02-26 17:51:58,189 [log.TabletServerLogger] WARN : Logs closed while writing, retrying
attempt 1 (suppressing retry messages for 180000ms)
> 2018-02-26 17:51:58,724 [log.TabletServerLogger] WARN : Logs closed while writing, retrying
attempt 1 (suppressing retry messages for 180000ms)
> 2018-02-26 17:51:58,940 [log.TabletServerLogger] WARN : Logs closed while writing, retrying
attempt 1 (suppressing retry messages for 180000ms)
> 2018-02-26 17:51:59,226 [log.TabletServerLogger] WARN : Logs closed while writing, retrying
attempt 1 (suppressing retry messages for 180000ms)
> 2018-02-26 17:51:59,227 [log.TabletServerLogger] WARN : Logs closed while writing, retrying
attempt 1 (suppressing retry messages for 180000ms)
> 2018-02-26 17:51:59,227 [log.TabletServerLogger] WARN : Logs closed while writing, retrying
attempt 1 (suppressing retry messages for 180000ms)
> {noformat}
>  
> The warning are generated by [TabletServerLogger.java line 341|https://github.com/apache/accumulo/blob/4e91215f101362ef206e9f213b4d8d12b3f6e0e2/server/tserver/src/main/java/org/apache/accumulo/tserver/log/TabletServerLogger.java#L341]
when a write ahead log is closed.  Write ahead logs are closed as part of normal operations
as seen on [TabletServerLogger.java line 386|https://github.com/apache/accumulo/blob/4e91215f101362ef206e9f213b4d8d12b3f6e0e2/server/tserver/src/main/java/org/apache/accumulo/tserver/log/TabletServerLogger.java#L386].
 There should not be a warning when this happens.  This is caused by changes made for ACCUMULO-4777.
 Before these changes this event was logged at debug.  At this time, these changes have not
been released. It would be nice to fix this before releasing 1.7.4



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