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https://issues.apache.org/jira/browse/CASSANDRA-18766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17762838#comment-17762838
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Stefan Miklosovic commented on CASSANDRA-18766:
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Well ... Seems like there is no update from [~ivnovi] on this so far. What
version are you upgrading to exactly? From 4.0.0 to 4.1.0?
> high speculative retries on v4.1.3
> ----------------------------------
>
> Key: CASSANDRA-18766
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18766
> Project: Cassandra
> Issue Type: Bug
> Components: Consistency/Coordination
> Reporter: Ivans Novikovs
> Priority: Normal
> Fix For: 4.1.x
>
> Attachments: signature.asc
>
>
> There are up to 10+ times higher speculative retries for reads on 4.1.3
> comparing to 4.0.7 and 4.1.2 when using QUORUM and default setting of 99p.
> On 4.1.3 after upgrade I see speculative retries for up to 35% of all reads
> for specific table. Latency for reads is stable around 500 microseconds.
> java 1.8.0_382 is used
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