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https://issues.apache.org/jira/browse/CASSANDRA-8437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14498460#comment-14498460
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Jonathan Ellis commented on CASSANDRA-8437:
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FWIW, I'd like to get rid of digest reads entirely with CASSANDRA-7168, but
that will be 3.x only.
> Track digest mismatch ratio
> ---------------------------
>
> Key: CASSANDRA-8437
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8437
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Sylvain Lebresne
> Assignee: Benjamin Lerer
> Priority: Minor
> Fix For: 2.1.5
>
> Attachments: CASSANDRA-8437-V2.txt, CASSANDRA-8437.txt
>
>
> I don't believe we track how often read results in a digest mismatch but we
> should since that could directly impact read performance in practice.
> Once we have that data, it might be that some workloads (write heavy most
> likely) ends up with enough mismatches that going to the data read is more
> efficient in practice. What we do about it it step 2 however, but getting the
> data is easy enough.
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