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From Gary Tully <gary.tu...@gmail.com>
Subject Re: KahaDB clean up causes activemq server shutdown
Date Fri, 14 Jan 2011 10:06:16 GMT
can you provide a thread dump of the process if this occurs again, pstack <pid>

On 14 January 2011 07:53, Wassim Drira <Wassim.Drira@it-sudparis.eu> wrote:
> Hello,
>
> I found that the server was consuming 100% of CPU for an hour after the last
> log messages listed below. So kill the process.
> What is the cause? and can you propose a solution?
>
> regards,
> Wassim
>
> 2011-01-14 06:49:00,598 | INFO  | Slow KahaDB access: cleanup took 2304 |
> org.apache.activemq.store.kahadb.MessageDatabase | ActiveMQ Journal
> Checkpoint Worker
> 2011-01-14 06:49:04,337 | INFO  | Slow KahaDB access: cleanup took 723 |
> org.apache.activemq.store.kahadb.MessageDatabase | ActiveMQ Journal
> Checkpoint Worker
> 2011-01-14 06:49:09,731 | INFO  | Slow KahaDB access: cleanup took 842 |
> org.apache.activemq.store.kahadb.MessageDatabase | ActiveMQ Journal
> Checkpoint Worker
> 2011-01-14 06:49:30,405 | INFO  | Slow KahaDB access: cleanup took 720 |
> org.apache.activemq.store.kahadb.MessageDatabase | ActiveMQ Journal
> Checkpoint Worker
> 2011-01-14 06:49:42,989 | INFO  | Slow KahaDB access: cleanup took 1766 |
> org.apache.activemq.store.kahadb.MessageDatabase | ActiveMQ Journal
> Checkpoint Worker
> 2011-01-14 06:49:51,666 | INFO  | Slow KahaDB access: cleanup took 4612 |
> org.apache.activemq.store.kahadb.MessageDatabase | ActiveMQ Journal
> Checkpoint Worker
> 2011-01-14 06:50:55,889 | INFO  | Slow KahaDB access: cleanup took 43913 |
> org.apache.activemq.store.kahadb.MessageDatabase | ActiveMQ Journal
> Checkpoint Worker
> 2011-01-14 06:51:24,162 | INFO  | Slow KahaDB access: cleanup took 27552 |
> org.apache.activemq.store.kahadb.MessageDatabase | ActiveMQ Journal
> Checkpoint Worker
> 2011-01-14 06:51:38,376 | INFO  | Slow KahaDB access: cleanup took 12650 |
> org.apache.activemq.store.kahadb.MessageDatabase | ActiveMQ Journal
> Checkpoint Worker
> 2011-01-14 06:51:53,599 | INFO  | Slow KahaDB access: cleanup took 13443 |
> org.apache.activemq.store.kahadb.MessageDatabase | ActiveMQ Journal
> Checkpoint Worker
>



-- 
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