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From "Stefania (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-11574) COPY FROM command in cqlsh throws error
Date Thu, 21 Apr 2016 05:46:25 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-11574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15251314#comment-15251314
] 

Stefania commented on CASSANDRA-11574:
--------------------------------------

I've installed Python 2.7.6 from a tarball, by following the instructions in the first answer
of this [link|http://askubuntu.com/questions/101591/how-do-i-install-python-2-7-2-on-ubuntu],
still no luck I'm afraid.

I'm really in the dark here, let's try replacing the problematic line with these 2 lines,
maybe we get more clues:

{code}
    num_processes = ImportTask.get_num_processes(16)
    copy_options['numprocesses'] = int(opts.pop('numprocesses', num_processes))
{code}

As a workaround, you can also set {{num_processes}} to a reasonable default, {{get_num_processes()}}
will return the number of cores on the machine minus 1, capped at 16, so you could set {{num_processes
= 3}} on a 4 core machine for example.



> COPY FROM command in cqlsh throws error
> ---------------------------------------
>
>                 Key: CASSANDRA-11574
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11574
>             Project: Cassandra
>          Issue Type: Bug
>          Components: CQL
>         Environment: Operating System: Ubuntu Server 14.04
> JDK: Oracle JDK 8 update 77
> Python: 2.7.6
>            Reporter: Mahafuzur Rahman
>            Assignee: Stefania
>             Fix For: 3.0.6
>
>
> Any COPY FROM command in cqlsh is throwing the following error:
> "get_num_processes() takes no keyword arguments"
> Example command: 
> COPY inboxdata (to_user_id,to_user_network,created_time,attachments,from_user_id,from_user_name,from_user_network,id,message,to_user_name,updated_time)
FROM 'inbox.csv';
> Similar commands worked parfectly in the previous versions such as 3.0.4



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