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From "ZhongYu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-494) add remove_slice to the api
Date Sun, 28 Sep 2014 12:57:34 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14151103#comment-14151103
] 

ZhongYu commented on CASSANDRA-494:
-----------------------------------

Why not implement this feature?
We are having trouble deleting columns like timestamp. There are too many columns to load
to client. It is really slow to delete data by reading it first!
We cost 10 days to delete 1,000,000,000 timestamp style data of about 1000 CF. Each CF have
average 10000 rows. 
If we can delete columns by ranges, I think the above operation can finish in serval minutes.

> add remove_slice to the api
> ---------------------------
>
>                 Key: CASSANDRA-494
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-494
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Dan Di Spaltro
>            Priority: Minor
>
> It would be nice to mimic how get_slice works for removing values.



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