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From "Ran Tavory (JIRA)" <>
Subject [jira] Updated: (CASSANDRA-531) truncate support
Date Wed, 28 Apr 2010 08:57:36 GMT


Ran Tavory updated CASSANDRA-531:

    Attachment: CASSANDRA-531.patch

Make code up to date with recent trunk (0.7.0 trunk)
This patch includes: thrift and ColumnFamilyStore code (and test).
1. wire up the thrift call from CassandraServer to here
2. Do I need to also delete actual files? Have I covered all scenarios?
3. Send the truncate operation to all nodes; make sure they are all up before doing so
4. Add truncate to the JMX interface
5. Add truncate to nodetool

> truncate support
> ----------------
>                 Key: CASSANDRA-531
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Ran Tavory
>            Priority: Minor
>             Fix For: 0.7
>         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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