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https://issues.apache.org/jira/browse/CASSANDRA-1780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12935849#action_12935849
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Brandon Williams commented on CASSANDRA-1780:
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No noticeable performance impact with stress.py defaults, or with one column
per row in periodic mode.
> periodic + flush commitlog mode
> -------------------------------
>
> Key: CASSANDRA-1780
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1780
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.7.0
>
> Attachments: 1780.txt
>
>
> periodic-sync commitlog mode only flushes before it syncs, which means its
> best case durability is very similar to its worst case. if we had a mode
> that flushed but did not sync then it would only lose data for actual power
> failures.
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