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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: How to keep only exactly column of key
Date Tue, 19 Jul 2011 03:05:55 GMT
You can use expiring columns to say "only the last N seconds' of
data."  But not counts per se for the reasons Aaron gave.

On Mon, Jul 18, 2011 at 10:22 AM, JKnight JKnight <beuknight@gmail.com> wrote:
> Dear all,
> I want to keep only 100 column of a key: when I add a column for a key, if
> the number column of key is 100, another column (by order) will be deleted.
> Does Cassandra have setting for that?
>
> --
> Best regards,
> JKnight
>



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

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