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https://issues.apache.org/jira/browse/CASSANDRA-11171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeff Jirsa updated CASSANDRA-11171:
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Labels: proposed-wontfix (was: )
> conditional update without paxos
> --------------------------------
>
> Key: CASSANDRA-11171
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11171
> Project: Cassandra
> Issue Type: Wish
> Reporter: stuart
> Priority: Minor
> Labels: proposed-wontfix
>
> I realise that currently conditional updates use lightweight transactions to
> provide an atomic check and set operation but that this comes at a non
> trivial performance cost. I have a solution where synchronised access is
> ensured by an external mechanism therefore I don't think paxos would be
> required. It would be nice to be able to run an update command or script that
> could conditionally update without the performance hit. Currently I'd have to
> retrieve each row first at the application level before deciding whether or
> not to perform the update. Would it be possible to add a switch for the
> conditional updates to turn paxos on or off? Thanks.
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