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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2009/11/02 05:24:59 UTC
[jira] Updated: (CASSANDRA-44) It is difficult to modify the set of
ColumnFamliies in an existing cluster
[ https://issues.apache.org/jira/browse/CASSANDRA-44?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-44:
------------------------------------
Description:
ColumnFamilies may be added when cassandr is not running by editing the configuration file.
If you need to delete or re-order CFs, you must
1) kill cassandra
2) start it again and wait for log replay to finish
3) kill cassandra AGAIN
Alternatively on Cassandra 0.4.2 or later:
1) run nodeprobe flush and wait for it to finish
2) kill cassandra
Then:
4) make your edits (now there is no data in the commitlog)
5) manually remove the sstable files (-Data.db, -Index.db, and -Filter.db) for the CFs you removed, and rename files for CFs you renamed
6) start cassandra and your edits should take effect
was:
ColumnFamilies may be added when cassandr is not running by editing the configuration file.
If you need to delete or re-order CFs, you must
1) kill cassandra
2) start it again and wait for log replay to finish
3) kill cassandra AGAIN
Alternatively on Cassandra 0.4.2 or later:
1) run nodeprobe flush and wait for it to finish
2) kill cassandra
4) make your edits (now there is no data in the commitlog)
5) manually remove the sstable files (-Data.db, -Index.db, and -Filter.db) for the CFs you removed, and rename files for CFs you renamed
6) start cassandra and your edits should take effect
> It is difficult to modify the set of ColumnFamliies in an existing cluster
> --------------------------------------------------------------------------
>
> Key: CASSANDRA-44
> URL: https://issues.apache.org/jira/browse/CASSANDRA-44
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Eric Evans
>
> ColumnFamilies may be added when cassandr is not running by editing the configuration file.
> If you need to delete or re-order CFs, you must
> 1) kill cassandra
> 2) start it again and wait for log replay to finish
> 3) kill cassandra AGAIN
> Alternatively on Cassandra 0.4.2 or later:
> 1) run nodeprobe flush and wait for it to finish
> 2) kill cassandra
> Then:
> 4) make your edits (now there is no data in the commitlog)
> 5) manually remove the sstable files (-Data.db, -Index.db, and -Filter.db) for the CFs you removed, and rename files for CFs you renamed
> 6) start cassandra and your edits should take effect
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