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From: Jonathan Ellis <jbellis@gmail.com>
Date: Wed, 24 Feb 2010 22:17:17 -0600
Message-ID: <e06563881002242017j520fb25djbf0673005e541b60@mail.gmail.com>
Subject: Re: cassandra freezes
To: cassandra-user@incubator.apache.org
Content-Type: text/plain; charset=ISO-8859-1

On Wed, Feb 24, 2010 at 8:46 PM, Santal Li <santal.li@gmail.com> wrote:
> BTW: Somebody in my team told me, that if the cassandra managed data was too
> huge( >15x than heap space) , will cause performance issues, is this true?

It really has more to do with what your hot data set is, than absolute size.

Once any system becomes i/o bound because the hot set can't be cached
in os buffers, you're going to be in trouble, there's nothing magic
about that. :)

-Jonathan