You are viewing a plain text version of this content. The canonical link for it is here.

Posted to commits@cassandra.apache.org by "Tyler Hobbs (JIRA)" <ji...@apache.org> on 2014/12/23 20:11:13 UTC

[jira] [Commented] (CASSANDRA-8525) Bloom Filter truePositive counter not updated on key cache hit

    [ https://issues.apache.org/jira/browse/CASSANDRA-8525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14257375#comment-14257375 ] 

Tyler Hobbs commented on CASSANDRA-8525:
----------------------------------------

+1

> Bloom Filter truePositive counter not updated on key cache hit
> --------------------------------------------------------------
>
>                 Key: CASSANDRA-8525
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8525
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Tyler Hobbs
>            Assignee: Marcus Eriksson
>             Fix For: 2.0.12, 2.1.3
>
>         Attachments: 0001-inc-truepositive-for-keycache-hits.patch
>
>
> In {{SSTableReader.getPosition()}}, we're not incrementing the bloom filter truePositive count when we get a key cache hit.  This can lead to misleading FP ratios in metrics.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)