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https://issues.apache.org/jira/browse/CASSANDRA-11574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15251530#comment-15251530
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Stefania commented on CASSANDRA-11574:
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You're welcome, thanks for helping us debug this.
.pyc and .so are actually Cython extensions and they must be deleted manually
or else changing the .py has not effect. I had no idea they would be present in
package deployments. CASSANDRA-11053, which was delivered in 3.0.5, modified
_pylib/setup.py_ so that people can create these files manually for added
performance by typing {{python setup.py build_ext --inplace}} in the pylib
folder. They must be generated somewhere when the package is created.
[~mshuler]: do you know how the packaging process uses _pylib/setup.py_?
The initial solution, {{copy_options\['numprocesses'\] =
int(opts.pop('numprocesses', self.get_num_processes(16)))}} is actually
correct, provided the .pyc and .so are regenerated by running {{python setup.py
build_ext --inplace}} or, as you already pointed out, if they are removed (in
which case the original code also works).
I will prepare a patch so that the Cython extensions also work.
> 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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