Reducing diskI/O operations

Per Buer perbu at varnish-software.com
Fri Sep 16 12:32:11 CEST 2011


Hello Friend.

On Fri, Sep 16, 2011 at 10:01 AM, Your Friend <parsimail2001 at yahoo.se>wrote:

>
> My main question is thatif using malloc instead of file can be usefull to
> reduce disk I/O operations?
>


Yes. Newer versions of both the Linux and FreeBSD vm's will work quite hard
to keep the -sfile file in sync. Malloc will only trigger disk IO when the
vm needs to page out parts of varnish to the paging (swap) area.


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