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From "Michael Webster (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7183) print WARN message if hbase.replication.sizeOfLogQueue is too big
Date Fri, 02 Aug 2013 05:01:49 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13727329#comment-13727329
] 

Michael Webster commented on HBASE-7183:
----------------------------------------

Hi,

Here is a patch that checks the queue size against a configurable property, replication.source.log.queue.warn,
each time a new log is enqueued.  Per the above comments, the default threshold for printing
the log message is 2.
                
> print WARN message if hbase.replication.sizeOfLogQueue is too big
> -----------------------------------------------------------------
>
>                 Key: HBASE-7183
>                 URL: https://issues.apache.org/jira/browse/HBASE-7183
>             Project: HBase
>          Issue Type: Improvement
>          Components: Replication
>            Reporter: Sho Shimauchi
>              Labels: noob
>         Attachments: HBASE_7183.patch
>
>
> A metric hbase.replication.sizeOfLogQueue may become big when replication is delaying.
> It would be useful if HBase prints WARN log which tells hbase.replication.sizeOfLogQueue
is too big.

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