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https://issues.apache.org/jira/browse/CASSANDRA-9946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14648573#comment-14648573
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Jonathan Ellis commented on CASSANDRA-9946:
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Things I don't know:
# What is the Windows equivalent? /cc [~JoshuaMcKenzie]
# Should we pick a one-size-fits-all priority, or allow the user to override
class/priority? /cc [~a...@ooyala.com]
> use ioprio_set instead of throttling by default
> -----------------------------------------------
>
> Key: CASSANDRA-9946
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9946
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Ariel Weisberg
> Fix For: 3.x
>
>
> Compaction throttling works as designed, but it has two drawbacks:
> * it requires manual tuning to choose the "right" value for a given machine
> * it does not allow compaction to "burst" above its limit if there is
> additional i/o capacity available while there are less application requests
> to serve
> Using ioprio_set instead solves both of these problems.
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