On Thu, Apr 12, 2012 at 12:45, Sage Weil <s...@newdream.net> wrote:
>> So maybe we could reduce the memory footprint of the cache, but keep it's
>> performance.
>
> I'm not familiar with the performance implications of KSM, but the
> objectcacher doesn't modify existing buffers in place, so I suspect it's a
> good candidate.  And it looks like there's minimal effort in enabling
> it...

Are the objectcacher cache entries full pages, page aligned, with no
bookkeeping data inside the page? Those are pretty much the
requirements for page-granularity dedup to work..
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