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Re: [RFC] mm-controller [message #14360 is a reply to message #14335] Mon, 25 June 2007 17:35 Go to previous messageGo to previous message
Paul Menage is currently offline  Paul Menage
Messages: 642
Registered: September 2006
Senior Member
On 6/22/07, Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> wrote:
>
> Merging both limits will eliminate the issue, however we would need
> individual limits for pagecache and RSS for better control. There are
> use cases for pagecache_limit alone without RSS_limit like the case of
> database application using direct IO, backup applications and
> streaming applications that does not make good use of pagecache.
>

If streaming applications would otherwise litter the pagecache with
unwanted data, then limiting their total memory footprint (with a
single limit) and forcing them to drop old data sooner sounds like a
great idea.

Paul

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