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https://issues.apache.org/jira/browse/CASSANDRA-5455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13668054#comment-13668054
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Peter Bailis commented on CASSANDRA-5455:
-----------------------------------------

bq. Do we need any core changes at all, then? (Under the "#3 for now" plan.)

Nope; the predictor I linked uses the per-CF latency metrics. The downside is 
accuracy.

                
> Remove PBSPredictor
> -------------------
>
>                 Key: CASSANDRA-5455
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5455
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jonathan Ellis
>            Assignee: Jonathan Ellis
>             Fix For: 2.0
>
>         Attachments: 5455.txt
>
>
> It was a fun experiment, but it's unmaintained and the bar to understanding 
> what is going on is high.  Case in point: PBSTest has been failing 
> intermittently for some time now, possibly even since it was created.  Or 
> possibly not and it was a regression from a refactoring we did.  Who knows?

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