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Re: Expected performance

From: Philip Martin <philip.martin_at_wandisco.com>
Date: Wed, 10 Jul 2013 15:46:30 +0100

"Naumenko, Roman" <roman.naumenko_at_rbccm.com> writes:

> On 2013/07/10 9:41 AM, Philip Martin wrote:
>> "Naumenko, Roman" <roman.naumenko_at_rbccm.com> writes:
>>> That box has more than enough CPUs (forty), cores are barely utilized.
>> Subversion's default cache configuration is very conservative.
>> Increasing the cache size can reduce disk IO and improve performance:
>> http://subversion.apache.org/docs/release-notes/1.7.html#server-performance-tuning
> That's one of the options I was looking at. When I checked mem
> allocation on the server, it appeared that 85% was used as cache, I
> thought apache process would take advantage of OS caching by default.

It does, but that's caching the on-disk files. The Subversion in-memory
cache is for the data structures derived from the files.

Philip Martin | Subversion Committer
WANdisco | Non-Stop Data
Received on 2013-07-10 16:47:10 CEST

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