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From cem <cayiro...@gmail.com>
Subject Re: data clean up problem
Date Wed, 29 May 2013 14:30:19 GMT
Thanks for the answers!

Cem



On Wed, May 29, 2013 at 1:26 AM, Robert Coli <rcoli@eventbrite.com> wrote:

> On Tue, May 28, 2013 at 2:38 PM, Bryan Talbot <btalbot@aeriagames.com>
> wrote:
> > I think what you're asking for (efficient removal of TTL'd write-once
> data)
> > is already in the works but not until 2.0 it seems.
>
> If your entire dataset in a keyspace or column family is deleted every
> [small time period], then maybe use TRUNCATE?
>
> Two caveats :
>
> 1) https://issues.apache.org/jira/browse/CASSANDRA-4655 - TRUNCATE
> will leave undelivered hints untouched until 1.2.6
> 2) TRUNCATE will create a snapshot unless you (unsafely!!!!!!!
> danger!!!!!!!!) disable this feature [1]
>
> Alternately, perhaps a datastore with immutable data files is not for you?
> :D
>
> =Rob
> [1] https://issues.apache.org/jira/browse/CASSANDRA-3710
>

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