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From "Michael Shuler (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (CASSANDRA-9304) COPY TO improvements
Date Fri, 20 Nov 2015 18:23:11 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-9304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Shuler reopened CASSANDRA-9304:
---------------------------------------

The cqlshlib test broke on this commit.
http://cassci.datastax.com/job/trunk_cqlshlib/580/

3.0 broke in the same way, and this job isn't templated, but will be.

{noformat}
16:33:09 File "/usr/local/bin/nosetests", line 9, in <module>
16:33:09 load_entry_point('nose==1.3.7', 'console_scripts', 'nosetests')()
16:33:09 File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 356, in load_entry_point
16:33:09 return get_distribution(dist).load_entry_point(group, name)
16:33:09 File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2476, in load_entry_point
16:33:09 return ep.load()
16:33:09 File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2190, in load
16:33:09 ['__name__'])
16:33:09 File "/usr/local/lib/python2.7/dist-packages/nose/__init__.py", line 1, in <module>
16:33:09 from nose.core import collector, main, run, run_exit, runmodule
16:33:09 File "/usr/local/lib/python2.7/dist-packages/nose/core.py", line 11, in <module>
16:33:09 from nose.config import Config, all_config_files
16:33:09 File "/usr/local/lib/python2.7/dist-packages/nose/config.py", line 2, in <module>
16:33:09 import optparse
16:33:09 File "/usr/lib/python2.7/optparse.py", line 90, in <module>
16:33:09 from gettext import gettext
16:33:09 File "/usr/lib/python2.7/gettext.py", line 49, in <module>
16:33:09 import locale, copy, os, re, struct, sys
16:33:09 File "/home/automaton/cassandra/pylib/cqlshlib/copy.py", line 39, in <module>
16:33:09 from formatting import format_value_default, DateTimeFormat, EMPTY, get_formatter
16:33:09 File "/home/automaton/cassandra/pylib/cqlshlib/formatting.py", line 25, in <module>
16:33:09 from . import wcwidth
16:33:09 ValueError: Attempted relative import in non-package
{noformat}

> 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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