Ahmed ELJAMI created CASSANDRA-16465:
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Summary: 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
Reporter: Ahmed ELJAMI
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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