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https://issues.apache.org/jira/browse/CASSANDRA-8525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14257375#comment-14257375
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Tyler Hobbs commented on CASSANDRA-8525:
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+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.
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