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From jonathan.co...@gmail.com
Subject Re: Re: minor vs major compaction and purging data
Date Mon, 13 Jun 2011 20:09:01 GMT
Cleanup removes any data that node is no longer responsible for, according  
to the node's token range. A node can have data it is no longer responsible  
for if you do certain maintenance operations like move or loadbalance.

On , Sebastien Coutu <scoutu@openplaces.org> wrote:
> How about cleanups? What would be the difference between cleanup and  
> compactions?

> On Sat, Jun 11, 2011 at 8:14 AM, Jonathan Ellis jbellis@gmail.com> wrote:

> Yes.




> On Sat, Jun 11, 2011 at 6:08 AM, Jonathan Colby

> jonathan.colby@gmail.com> wrote:

> > I've been reading inconsistent descriptions of what major and minor  
> compactions do. So my question for clarification:

> >

> > Are tombstones purges (ie, space reclaimed) for minor AND major  
> compactions?

> >

> > Thanks.









> --

> Jonathan Ellis

> Project Chair, Apache Cassandra

> co-founder of DataStax, the source for professional Cassandra support

> http://www.datastax.com





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