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From aaron morton <aa...@thelastpickle.com>
Subject Re: Using row cache causes slowdown and unavailable reads
Date Thu, 21 Jun 2012 18:31:33 GMT
2300 * 5MB / 1024 = 11GB 

Check the logs for GC problems. 

Cheers

-----------------
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com

On 20/06/2012, at 8:39 PM, Nury Redjepow wrote:

> Good day,
> 
> I'm load testing our cassandra instance. I have a column family with 2300 rows, each
being ~ 5MB. And I run same query which asks for same rows. With caching='keys_only" response
time is adequate. But with caching='ALL', we get four times larger response time and 40-50$
of requests don't get served, error is returned. 
> 
> So I'm asking if 5MB rows are too big to be using row cache? Or maybe I should do some
memory tweaks?
> 
> I'm using Cassand 1.1.10, JNA enabled.
> 
> Sincerely, Nury. 


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