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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5151) Implement better way of eliminating compaction left overs.
Date Fri, 24 May 2013 14:42:20 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13666370#comment-13666370
] 

Jonathan Ellis commented on CASSANDRA-5151:
-------------------------------------------

bq. However, we still need to fix conflict in opening CFS with the patch attached before.

(This was done in CASSANDRA-5350.)
                
> Implement better way of eliminating compaction left overs.
> ----------------------------------------------------------
>
>                 Key: CASSANDRA-5151
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5151
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.1.3
>            Reporter: Yuki Morishita
>            Assignee: Yuki Morishita
>             Fix For: 2.0
>
>         Attachments: 0001-move-scheduling-MeteredFlusher-to-CassandraDaemon.patch, 5151-1.2.txt,
5151-v2.txt
>
>
> This is from discussion in CASSANDRA-5137. Currently we skip loading SSTables that are
left over from incomplete compaction to not over-count counter, but the way we track compaction
completion is not secure.
> One possible solution is to create system CF like:
> {code}
> create table compaction_log (
>   id uuid primary key,
>   inputs set<int>,
>   outputs set<int>
> );
> {code}
> to track incomplete compaction.

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