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From "Stefania (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9304) COPY TO improvements
Date Fri, 02 Oct 2015 08:30:27 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14940900#comment-14940900
] 

Stefania commented on CASSANDRA-9304:
-------------------------------------

The 2.1 patch is ready for review, I will create the 2.2+ patches once review is completed.

This is the first of 3 tickets, the other two are CASSANDRA-9302 and CASSANDRA-9303, where
we will continue the refactoring initiated in this ticket for COPY TO and extend it to COPY
FROM and the COPY options. As a final step the new classes will be moved to a new file (once
COPY FROM is also enhanced). 

It would help if the person reviewing this ticket could also review the other two tickets
once they are available.

2.1 CI: http://cassci.datastax.com/view/Dev/view/stef1927/job/stef1927-9304-2.1-dtest/

> COPY TO improvements
> --------------------
>
>                 Key: CASSANDRA-9304
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9304
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Stefania
>            Priority: Minor
>              Labels: cqlsh
>             Fix For: 2.1.x
>
>
> COPY FROM has gotten a lot of love.  COPY TO not so much.  One obvious improvement could
be to parallelize reading and writing (write one page of data while fetching the next).



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