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Posted to commits@cassandra.apache.org by "Aleksey Yeschenko (JIRA)" <ji...@apache.org> on 2012/11/18 23:00:58 UTC
[jira] [Comment Edited] (CASSANDRA-4921) improve cqlsh COPY FROM
performance
[ https://issues.apache.org/jira/browse/CASSANDRA-4921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13499921#comment-13499921 ]
Aleksey Yeschenko edited comment on CASSANDRA-4921 at 11/18/12 10:00 PM:
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I remember now. It's "CQL query must be bytes, not unicode" error when attempting COPY TO and COPY FROM in CQL3 mode.
Nothing else seems to be affected (DESCRIBE * commands work fine and all field types are properly deserialized/formatted in both CQL2 and CQL3 mode).
was (Author: iamaleksey):
I remember now. It's "CQL query must be bytes, not unicode" error when attempting COPY TO and COPY FROM in CQL3 mode.
Nothing else seems to be affected (DESCRIBE * command work fine and all field types are properly deserialized/formatted in both CQL2 and CQL3 mode).
> improve cqlsh COPY FROM performance
> -----------------------------------
>
> Key: CASSANDRA-4921
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4921
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Affects Versions: 1.1.2
> Reporter: Jonathan Ellis
> Assignee: Aleksey Yeschenko
> Priority: Minor
> Fix For: 1.1.7
>
>
> Profiling shows that prepare_inline takes the vast majority of cqlsh COPY FROM time, particularly on csv rows with many columns.
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