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Posted to commits@cassandra.apache.org by "Michael Semb Wever (Jira)" <ji...@apache.org> on 2021/04/24 18:03:00 UTC
[jira] [Updated] (CASSANDRA-16465) Increased Read Latency With
Cassandra >= 3.11.7
[ https://issues.apache.org/jira/browse/CASSANDRA-16465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Semb Wever updated CASSANDRA-16465:
-------------------------------------------
Fix Version/s: (was: 3.11.11)
4.0.x
3.11.x
> Increased Read Latency With Cassandra >= 3.11.7
> -----------------------------------------------
>
> Key: CASSANDRA-16465
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16465
> Project: Cassandra
> Issue Type: Bug
> Components: Legacy/Local Write-Read Paths
> Reporter: Ahmed ELJAMI
> Priority: Normal
> Fix For: 3.11.x, 4.0.x
>
>
> After upgrading Cassandra from 3.11.3 to 3.11.9, Cassandra read latency 99% increased significantly. Getting back to 3.11.3 immediately fixed the issue.
> I have observed "SStable reads" increases after upgrading to 3.11.9.
> The same behavior was observed by some other users: [https://www.mail-archive.com/user@cassandra.apache.org/msg61247.html]
> According to Paulo Motta's comment, this behavior may be caused by https://issues.apache.org/jira/browse/CASSANDRA-15690 which was introduced on 3.11.7 and removed an optimization that may cause a correctness issue when there are partition deletions.
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