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From "Keith Wall (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (QPID-7023) BDB HA: JE Cleaner warnings written to qpid log during apparently normal operation
Date Mon, 01 Feb 2016 13:53:39 GMT

     [ https://issues.apache.org/jira/browse/QPID-7023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Keith Wall updated QPID-7023:
-----------------------------
    Fix Version/s: qpid-java-6.0.1

> 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-6.0.1, 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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