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From "B. Todd Burruss" <bburr...@real.com>
Subject Re: Persistently increasing read latency
Date Fri, 04 Dec 2009 22:17:32 GMT
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 <bburruss@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
> 



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