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From Robert Coli <rc...@eventbrite.com>
Subject Re: Is there anyone who implemented time range partitions with column families?
Date Mon, 17 Jun 2013 18:01:20 GMT
On Wed, May 29, 2013 at 9:33 AM, Hiller, Dean <Dean.Hiller@nrel.gov> wrote:
> QUESTION: I am assuming 10 compactions should be enough to put enough load
> on the disk/cpu/ram etc. etc. or do you think I should go with 100CF's.
> 98% of our data is all in this one CF.

Compaction can only really efficiently multi-thread with some
relatively tight relationship to the number of cores available... my
hunch would be that the number of shards you are looking in
PlayObjectRockin'Mapper (TM) is closer to 10 than 100.

=Rob

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