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https://issues.apache.org/jira/browse/CASSANDRA-531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12781993#action_12781993
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Jonathan Ellis commented on CASSANDRA-531:
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progress so far:
02
add (unimplemented) truncate to thrift API
01
CASSANDRA-531 add truncate, truncateBefore
If someone wants to wire up the thrift api to CFS.truncate, that would be
awesome.
Let's use negative timestamp to indicate "truncate all".
The StorageProxy method should throw UnavailableException if any replica is
down, or if there is any node movement going on (any pending ranges in
metadata).
> truncate support
> ----------------
>
> Key: CASSANDRA-531
> URL: https://issues.apache.org/jira/browse/CASSANDRA-531
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.9
>
> Attachments: 0001-CASSANDRA-531-add-truncate-truncateBefore.txt,
> 0002-add-unimplemented-truncate-to-thrift-API.txt
>
>
> Sometimes you want to delete an entire columnfamily. If there is a lot of
> data, it's much faster to just insert something to the commitlog saying
> "truncated," and drop the memtable and data files.
> Probably should require this to block for all replicas to ack to avoid
> unpleasant surprises. Or make it local-only and have ops manage making sure
> it gets to all replicas.
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