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From Gary Tully <gary.tu...@gmail.com>
Subject Re: kahadb cleanup problem
Date Thu, 13 Feb 2014 11:39:12 GMT
can you peek at the kahadb bean via jconsole and access the
transactions attribute. It should have some detail on the pending tx.

On 13 February 2014 09:11, janhanse <espen.jullum@gmail.com> wrote:
> I see several similar others have much the same problem, but I have not found
> any way of fixing it so far. We are running activemq 5.9.0 with medium load.
> Our problem is that the number of kahadb log files is growing every day to
> more than 700 files over a 3 months period.
>
> From the kahadb debug log, we see that every queue is cleaned up normally
> when messages are consumed, but the files are not cleaned up because of tx.
> We also copied the production installation to a test environment with no
> consumers. Still the files are not cleaned up because of tx.
>
> If I read the log correct, there are pending transactions blocking the
> cleanup. How can a situation like this occur even after copy to another
> environment with no consumers, and what could possible resolutions be?
>
> In the print from the log below, I have shortened down the list of files
> since we now have around 700 files ...
>
> 2014-02-13 08:30:51,401 [eckpoint Worker] TRACE MessageDatabase
> - Last update: 1080:24387211, full gc candidates set: [2, 3, 4, 5, 6, 7, 8,
> 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
> 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46,
> 47, 48, 49, 50, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73,
> 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, ....]
> 2014-02-13 08:30:51,404 [eckpoint Worker] TRACE MessageDatabase
> - gc candidates after producerSequenceIdTrackerLocation:1067, [2, 3, 4, 5,
> 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
> 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
> 45, 46, 47, 48, 49, 50, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71,
> 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, ....]
> 2014-02-13 08:30:51,406 [eckpoint Worker] TRACE MessageDatabase
> - gc candidates after ackMessageFileMapLocation:1080, [2, 3, 4, 5, 6, 7, 8,
> 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
> 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46,
> 47, 48, 49, 50, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73,
> 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85....]
> 2014-02-13 08:30:51,411 [eckpoint Worker] TRACE MessageDatabase
> - gc candidates after tx range:[2:25196115, 977:16063730], [978]
> ....
> ....
>
>
>
> --
> View this message in context: http://activemq.2283324.n4.nabble.com/kahadb-cleanup-problem-tp4677917.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.



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