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From "Jonathan Ellis (JIRA)" <>
Subject [jira] Commented: (CASSANDRA-1984) Implement "check and set"
Date Fri, 14 Jan 2011 00:08:46 GMT


Jonathan Ellis commented on CASSANDRA-1984:


> Implement "check and set"
> -------------------------
>                 Key: CASSANDRA-1984
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>            Reporter: Max Sanders
>             Fix For: 0.7.1
> When fetching data from cassandra you should ask for a hash value for the stored value.
Then when updating a value it should be possible to submit this hash value and only update
the data when the hash key is still the same.
> This way you can be sure that the data was not changed on this node.
> It is the same as the memcached CAS Feature.

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