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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: running TPC-C on cassandra clusters
Date Thu, 12 May 2011 23:14:30 GMT
I'd recommend trying the 0.7 svn branch (soon to be voted on as 0.7.6)

On Thu, May 12, 2011 at 3:09 PM, Xiaowei Wang <xiaowei609@gmail.com> wrote:
> Hi all,
>
> My partner and I currently using cassandra cluster to run TPC-C. We first
> use 2 ec2 nodes to load 20 warehouses. One(client node)  has 8 cores,  the
> other(worker node) has 4 cores. During the loading time, either the client
> node or the worker node will "down"(cannot be detected) randomly and then
> "up" again in a short time. If the two nodes both down, we failed in
> loading. If only one of them down, we can continue to load data.
>
> The problem is if we use multiple threads(we write multiprocess code), say 4
> clients threads, some of them might be stop at the point one of the nodes
> first down, and the dead threads will never come back.... This will not only
> enlarge our loading time, but also effect the amount of data we can load.
>
> So we need to figure out why the nodes continue to be up and down and fix
> this problem.
>
> Thanks for any help!
>
> Best,
> Xiaowei
>
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com

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