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Posted to commits@cassandra.apache.org by "Aleksey Yeschenko (JIRA)" <ji...@apache.org> on 2014/07/01 11:36:24 UTC

[jira] [Resolved] (CASSANDRA-7482) COPY FROM and COPY TO performance could be better

     [ https://issues.apache.org/jira/browse/CASSANDRA-7482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksey Yeschenko resolved CASSANDRA-7482.
------------------------------------------

    Resolution: Duplicate

Closing as a duplicate of CASSANDRA-7405

> COPY FROM and COPY TO performance could be better
> -------------------------------------------------
>
>                 Key: CASSANDRA-7482
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7482
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Jan Penninkhof
>            Priority: Minor
>             Fix For: 2.0.10
>
>
> The current COPY command seems to do its job in a single thread. However, the process could benefit a lot from a multi-threaded version. E.g. we have created substitutes for the COPY command that are > 20x as fast, by using executeAsync on inserts.
> In case a multi-threaded version would introduce new risks, perhaps it would be possible to add this as a feature that could be switched on with an statement option.



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