On Thu, 20 Nov 2014 03:12:44 PM Mark Nelson wrote: > Personally I'd suggest a lot of testing first. Not sure if there are > any lingering stability issues, but as far as performance goes in > firefly you'll only likely see speed ups with very skewed hot/cold > distributions and potentially slow downs in the general case unless you > have an extremely fast network and cache tier. > > In giant and master, there are a lot of improvements being made to > decrease unnecessary cache promotions and blocking.
Thanks, good to know. Going to have to add some old disks for testing ;) I didn't see any mention of ignoring large streaming reads/write - i.e backups and disk migrations. I imagine doing that would flush the cache of useful data? Planned for giant? -- Lindsay
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