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From Gary Tully <gary.tu...@gmail.com>
Subject Re: ActiveMQ JDBC Storage Slow down
Date Tue, 02 Aug 2011 15:30:31 GMT
The file pending message cursor is a little slow in 5.5, we are
working on improving that. That may be the problem here, but please
provide some detail of your usage, topic/queue
persistent/nonpersistent message mix and your activemq.xml to clarify.

If you swap your use of the filebased cursor for a store or vm cursor
you should be able to workaround this.

On 2 August 2011 13:34, James Black <be_strew@yahoo.co.uk> wrote:
> Hi,
>
> we are testing Master/slave using a JDBC connection to Sql Server 2008R2.
>
> Everything is fine, though performance is not amazing but better than shared
> nothing, for the first roughly 20 hours.  At a point about 20 hours in, the
> size of the queues just keeps growing and growing.  It is at this point that
> ActiveMQ creates its temp store on the disk.
>
> Having reviewed the ActiveMQ logs there appears nothing out of the ordinary
> just the message that the tmp store has been created, as per the message
> below:
>
> 2011-07-29 06:44:05,268 | INFO  |
> PListStore:D:\apache-activemq-5.5.0\data\tmp_storage initialized |
> org.apache.activemq.store.kahadb.plist.PListStore
>
> There are also no errors or problems in our application logs.
>
> So I am stumped any ideas?
>
> Thanks,
>
> James
>
> --
> View this message in context: http://activemq.2283324.n4.nabble.com/ActiveMQ-JDBC-Storage-Slow-down-tp3712166p3712166.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>



-- 
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http://blog.garytully.com

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