The OS should handle this really well as long as your on v3 linux kernel....
-- Colin Clark +1-320-221-9531 > On Jun 1, 2014, at 2:49 PM, Kevin Burton <bur...@spinn3r.com> wrote: > > It's possible to set caching to: > > all, keys_only, rows_only, or none > > .. for a given table. > > But we have one table which is MASSIVE and we only need the most recent 4-8 > hours in memory. > > Anything older than that can go to disk as the queries there are very rare. > > … but I don't think cassandra can do this (which is a shame). > > Another option is to partition our tables per hour… then tell the older > tables to cache 'none'… > > I hate this option though. A smarter mechanism would be to have a compaction > strategy that created an SSTable for every hour and then had custom caching > settings for that table. > > The additional upside for this is that TTLs would just drop the older data in > the compactor.. > > -- > Founder/CEO Spinn3r.com > Location: San Francisco, CA > Skype: burtonator > blog: http://burtonator.wordpress.com > … or check out my Google+ profile > > War is peace. Freedom is slavery. Ignorance is strength. Corporations are > people.
