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From "sankalp kohli (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-4756) Bulk loading snapshots creates RF^2 copies of the data
Date Fri, 19 Oct 2012 18:13:11 GMT


sankalp kohli commented on CASSANDRA-4756:

Look at
It might solve the problem!!
> Bulk loading snapshots creates RF^2 copies of the data
> ------------------------------------------------------
>                 Key: CASSANDRA-4756
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>    Affects Versions: 1.2.0 beta 1
>            Reporter: Nick Bailey
> Since a cluster snapshot will contain rf copies of each piece of data, bulkloading all
of those snapshots will create rf^2 copies of each piece of data.
> Not sure what the solution here is. Ideally we would merge the RF copies of the data
before sending to the cluster. This would solve any inconsistencies that existed when the
snapshot was taken.
> A more naive approach of only loading one of the RF copies and assuming there are no
inconsistencies might be an easier goal for the near term though.

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