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Posted to commits@cassandra.apache.org by "Nicolas Henneaux (Jira)" <ji...@apache.org> on 2024/04/04 18:39:00 UTC
[jira] [Created] (CASSANDRA-19529) Latency regression on 4.1 comparing to 4.0
Nicolas Henneaux created CASSANDRA-19529:
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Summary: Latency regression on 4.1 comparing to 4.0
Key: CASSANDRA-19529
URL: https://issues.apache.org/jira/browse/CASSANDRA-19529
Project: Cassandra
Issue Type: Bug
Reporter: Nicolas Henneaux
Attachments: screenshot-1.png
When upgrading from Cassandra 4.0.10 to 4.1.3, I noticed an increase from application point of view latency from ~8ms to ~15ms when upgrading to Cassandra. The latency includes 3 simple queries (INSERT + SELECT (PK+CK) + UPDATE) plus application overhead.
It has been investigated in CASSANDRA-18766 to realize it is not related.
I tested to downgrade to 4.1alpha1 and the latency regression is still there with same value.
In a graph how it looks like
!screenshot-1.png!
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