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https://issues.apache.org/jira/browse/CASSANDRA-5151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13556908#comment-13556908
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Jonathan Ellis commented on CASSANDRA-5151:
-------------------------------------------
Flushing is roughly the same cost as the fsync you need to make sure the plain
file is safely written, so I don't see a performance penalty. And I'm nervous
about more one-off files (manifest was bad enough). Storing in the system
table does seem cleaner to me. Am I missing something still?
> 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: 1.2.1
>
> Attachments: 5151-1.2.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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