Squid knows exactly which file is hot, and bcache tries to know which blocks seemed to be hot. Besides, we are testing flashcache with squid now. On Sun, Aug 26, 2012 at 6:41 PM, James Harper <james.harper@xxxxxxxxxxxxxxxx> wrote: >> >> Squid-ssd addresses those challenges well: >> 1.User reads from SSD; back-to-origin fetches written to SSD >> 2.Objects evicted from SSD to HDD, and from HDD to nothing >> 3.Objects promoted to SSD from HDD to avoid back-to-origin fetches >> > > Can you comment on how a squid-specific solution compares to a more general ssd caching solution like bcache? > > James
