That would be an interesting experiment although it is way outside normal
usage as a coordination store.

I have used ZK as a session store for PHP with OK results.  I never
implemented an expiration mechanism so things
had to be cleared out manually sometimes.  It worked pretty well until
things filled up.

On Tue, Oct 5, 2010 at 11:03 AM, Maarten Koopmans <>wrote:

> Hi,
> I just wondered: has anybody ever ran zookeeper "to the max" on a 68GB
> quadruple extra large high memory EC2 instance? With, say, 60GB allocated or
> so?
> Because EC2 with EBS is a nice way to grow your zookeeper cluster (data on
> the ebs columes, upgrade as your memory utilization grows....)  - I just
> wonder what the limits are there, or if I am foing where angels fear to
> tread...
> --Maarten

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