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Posted to dev@qpid.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2016/04/05 15:05:25 UTC
[jira] [Commented] (QPID-7023) BDB HA: JE Cleaner warnings written
to qpid log during apparently normal operation
[ https://issues.apache.org/jira/browse/QPID-7023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15226210#comment-15226210 ]
ASF subversion and git services commented on QPID-7023:
-------------------------------------------------------
Commit 1737835 from orudyy@apache.org in branch 'java/trunk'
[ https://svn.apache.org/r1737835 ]
QPID-7023: [Java Broker] Change severety of cleaner warning logs about not deleted protected files to DEBUG if number of protected files is less than 10
> BDB HA: JE Cleaner warnings written to qpid log during apparently normal operation
> -----------------------------------------------------------------------------------
>
> Key: QPID-7023
> URL: https://issues.apache.org/jira/browse/QPID-7023
> Project: Qpid
> Issue Type: Bug
> Affects Versions: 0.32, qpid-java-6.0
> Reporter: Keith Wall
> Fix For: qpid-java-6.0.2, qpid-java-6.1
>
>
> The Java Broker directs JE log log messages to the qpid.log bridging from JUL to SLF4J.
> During operation of the group, with a relatively high transactional publish/consume workload, messages like this are seen. These are written to all nodes (master and replica) even when all nodes are on-line:
> {noformat}
> 2016-01-26 08:59:36,360 WARN [Checkpointer] (BDB) - [mynode1] Cleaner has 3 files not deleted because they are protected by replication.
> 2016-01-26 08:59:38,966 WARN [Checkpointer] (BDB) - [mynode1] Cleaner has 2 files not deleted because they are protected by DbBackup or replication.
> 2016-01-26 08:59:41,646 WARN [Checkpointer] (BDB) - [mynode1] Cleaner has 2 files not deleted because they are protected by DbBackup or replication.
> 2016-01-26 08:59:43,987 WARN [Checkpointer] (BDB) - [mynode1] Cleaner has 1 files not deleted because they are protected by DbBackup or replication.
> 2016-01-26 08:59:46,494 WARN [Checkpointer] (BDB) - [mynode1] Cleaner has 2 files not deleted because they are protected by DbBackup or replication.
> 2016-01-26 08:59:52,588 WARN [Checkpointer] (BDB) - [mynode1] Cleaner has 1 files not deleted because they are protected by DbBackup or replication.
> 2016-01-26 09:00:45,684 WARN [Checkpointer] (BDB) - [mynode1] Cleaner has 2 files not deleted because they are protected by DbBackup or replication.
> {noformat}
> Additionally replicas see messages like this:
> {noformat}
> 2016-01-26 08:59:36,359 WARN [Checkpointer] (BDB) - [mynode1] Replication prevents deletion of 3 files by Cleaner. Start file=0x280 holds CBVLSN 27,742,300, end file=0x287 holds end VLSN 28,040,638
> {noformat}
> The extent of the backlog never seems to get worse, and there is no functional impact.
> The forum post https://community.oracle.com/thread/2541709 makes me suspect that this warning might be normal if the backlogs remains 'small'.
> I have reproduced this problem on 0.32 and qpid-java-6.0. It is possible it occurs on 0.30 too, but there the JE log file was not redirected.
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