thx for the tip. i've allocated -Xmx2G for cassandra out of 16G.
On Fri, 2009-12-04 at 14:22 -0600, Brandon Williams wrote: > On Fri, Dec 4, 2009 at 1:40 PM, B. Todd Burruss <bburr...@real.com> > wrote: > i've actually allocatted plenty of RAM, but it isn't fully > used. the > read performance dwindles well before reaching a RAM limit. > > > You don't want to over-allocate memory to Cassandra, you want to leave > as much free as you can so the OS can cache the reads for you. > > > -Brandon >
