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https://issues.apache.org/jira/browse/CASSANDRA-9304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15021682#comment-15021682
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Stefania commented on CASSANDRA-9304:
-------------------------------------
It looks like we also have a couple of unstable tests on Jenkins:
http://cassci.datastax.com/job/cassandra-3.0_dtest/lastCompletedBuild/testReport/cqlsh_tests.cqlsh_copy_tests/CqlshCopyTest/test_copy_to_with_more_failures_than_max_attempts/
http://cassci.datastax.com/job/cassandra-2.2_dtest/lastCompletedBuild/testReport/cqlsh_tests.cqlsh_copy_tests/CqlshCopyTest/test_copy_to_with_child_process_crashing/
Unfortunately I cannot reproduce it locally but I am running tests on Jenkins
using a custom dtest branch to try and find a fix. As a first thing I've tried
increasing the range of failing queries.
> 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: 2.1.12, 2.2.4, 3.0.1, 3.1
>
>
> 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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