On Thu, Apr 12, 2012 at 12:45, Sage Weil <sage@xxxxxxxxxxxx> 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.. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
