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