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https://issues.apache.org/jira/browse/CASSANDRA-1585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12975264#action_12975264
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Gary Dusbabek commented on CASSANDRA-1585:
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bq. what if we named the files by cfid instead of cfname, to handle rename?
The last time I looked, there was one part of code that still sent the CF name 
as part of its serialized form.  I thought it was CFSerializer, but it appears 
to be using ids.  

I'll take a closer look to see if this is possible.  If we're not playing fast 
and loose with CFnames in messages, I think it will work.

> 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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