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https://issues.apache.org/jira/browse/CASSANDRA-9304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15006396#comment-15006396
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Stefania commented on CASSANDRA-9304:
-------------------------------------

There's one test failing in 2.1:

http://cassci.datastax.com/job/stef1927-9304-2.1-dtest/25/testReport/cqlsh_tests.cqlsh_copy_tests/CqlshCopyTest/test_all_datatypes_write/

It passes on the 2.2 and 3.0 branches and locally on the 2.1 branch with the 
3.0rc driver installed. It seems the set returned by SELECT is not sorted on 
Jenkins. I've noticed a similar problem on the unpatched branch:

http://cassci.datastax.com/job/cassandra-2.1_dtest/lastCompletedBuild/testReport/cqlsh_tests.cqlsh_copy_tests/CqlshCopyTest/test_all_datatypes_write/

Except here it is even worse because we have not added {{SortedSet}} to 
formatting.py (which I have done for this patch). 

> COPY TO improvements
> --------------------
>
>                 Key: CASSANDRA-9304
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9304
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Jonathan Ellis
>            Assignee: Stefania
>            Priority: Minor
>              Labels: cqlsh
>             Fix For: 2.1.x, 2.2.x, 3.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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