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From "Holger Hoffstaette" <holger.hoffstae...@googlemail.com>
Subject Re: kswapd0 causing read timeouts
Date Mon, 18 Jun 2012 19:40:40 GMT
On Mon, 18 Jun 2012 11:57:17 -0700, Gurpreet Singh wrote:

> Thanks for all the information Holger.
> 
> Will do the jvm updates, kernel updates will be slow to come by. I see
> that with disk access mode standard, the performance is stable and better
> than in mmap mode, so i will probably stick to that.

Please let us know how things work out.

> Are you suggesting i try out mongodb?

Uhm, no. :) I meant that it also uses mmap exclusively (!), and
consequently can also have pretty bad/irregular performance when the
(active) data set grows much larger than RAM. To  be fair, that is a
pretty hard problem in general.

-h



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