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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Issue Comment Edited: (CASSANDRA-1585) Schema change with compaction race
Date Sun, 26 Dec 2010 05:09:47 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12975090#action_12975090
] 

Jonathan Ellis edited comment on CASSANDRA-1585 at 12/26/10 12:08 AM:
----------------------------------------------------------------------

what if we named the files by cfid instead of cfname, to handle rename?  we already have a
name->id mapping in the system tables somewhere.  (and we can assume nothing in "system"
keyspace gets renamed, of course.  otherwise i think we might have a chicken/egg problem.)

      was (Author: jbellis):
    what if we named the files by cfid instead of cfname?  we already have a name->id mapping
in the system tables somewhere.  (and we can assume nothing in "system" keyspace gets renamed,
of course.  otherwise i think we might have a chicken/egg problem.)
  
> Schema change with compaction race
> ----------------------------------
>
>                 Key: CASSANDRA-1585
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1585
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Stu Hood
>            Assignee: Gary Dusbabek
>            Priority: Critical
>             Fix For: 0.7.1
>
>
> We observed what appeared to be a race between an ongoing compaction and a system_drop_cf
call. The destination SSTable of the compaction was not removed by the drop, so it remained
in the data directory. Recreating a CF of the same name caused the SSTable to become active
again (or to at least show in the gossiped load).

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