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From Rob Davies <rajdav...@gmail.com>
Subject Re: Performance of persistent messages
Date Tue, 13 Oct 2009 10:20:11 GMT

On 13 Oct 2009, at 10:28, Patrik Nordwall wrote:

>
> I think (hope) I have found the root of problem.
> I found a test program in SonicMQ documentation:
> http://communities.progress.com/pcom/servlet/JiveServlet/download/10720-3-10090/mq_tuning_76.pdf
>
> It tests performance of  RandomAccessFile.getFD().sync()
> Is that relevant for ActiveMQ persistence performance?
>
> When running this on the test server I got 145 syncs/second. It  
> should be
> mid-range SAN, but it must be something wrong with it.
> I tested on high-end SAN and got 2300 syncs/second.
>
> /Patrik
> -- 
> View this message in context: http://www.nabble.com/Performance-of-persistent-messages-tp25862425p25869764.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>

Yes - that would certainly have an impact on performance for  
persistent messages :)

Rob Davies
http://twitter.com/rajdavies
I work here: http://fusesource.com
My Blog: http://rajdavies.blogspot.com/
I'm writing this: http://www.manning.com/snyder/






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