Any chance your server has been running for the last two weeks with the
leap second bug?
http://www.datastax.com/dev/blog/linux-cassandra-and-saturdays-leap-second-problem

-Tupshin
On Jul 12, 2012 1:43 PM, "Leonid Ilyevsky" <lilyev...@mooncapital.com>
wrote:

>  I am loading a large set of data into a CF with composite key. The load
> is going pretty slow, hundreds or even thousands times slower than it would
> do in RDBMS.****
>
> I have a choice of how granular my physical key (the first component of
> the primary key) is, this way I can balance between smaller rows and too
> many keys vs. wide rows and fewer keys. What are the guidelines about this?
> How the width of the physical row affects the speed of load?****
>
> ** **
>
> I see that Cassandra is doing a lot of processing behind the scene, even
> when I kill the client, the server is still consuming a lot of CPU for a
> long time.****
>
> ** **
>
> What else should I look at ? Anything in configuration? ****
>
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