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From Shuai Yuan <>
Subject Re: Cassandra on flash storage
Date Tue, 08 Jun 2010 01:17:45 GMT
Would you please tell the performance you measured? Although I don't 
have any experience relating to flash-drive, I'm very interested in 
switching to SSD.

So far from my benchmark, the bottleneck of cassandra just doesn't seem 
to be disk_io, but memory.

Kevin Yuan,
Supertool Corp.

On 2010年06月07日 23:37, Héctor Izquierdo wrote:
> Hi everyone.
> I wanted to know if anybody has had any experience with cassandra on 
> flash storage. At work we have a cluster of 6 machines running 
> Tokyotyrant on flash-io drives (320GB) each, but performance is not 
> what we expected, and we'are having some issues with replication and 
> availability. It's also hard to manage, and adding/removing nodes is 
> pure hell.
> We can't afford test hardware with flash storage right now, so could 
> somebody share his experience?
> Thank you very much
> Héctor Izquierdo

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