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Posted to commits@cassandra.apache.org by "Brandon Williams (Jira)" <ji...@apache.org> on 2026/08/27 14:33:00 UTC
[jira] [Updated] (CASSANDRA-21624) Reduce CI console output volume
[ https://issues.apache.org/jira/browse/CASSANDRA-21624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Brandon Williams updated CASSANDRA-21624:
-----------------------------------------
Change Category: Performance
Complexity: Low Hanging Fruit
Component/s: CI
Fix Version/s: 5.0.x
6.0.x
7.x
Status: Open (was: Triage Needed)
> Reduce CI console output volume
> -------------------------------
>
> Key: CASSANDRA-21624
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21624
> Project: Apache Cassandra
> Issue Type: Improvement
> Components: CI
> Reporter: Brandon Williams
> Assignee: Brandon Williams
> Priority: Normal
> Fix For: 5.0.x, 6.0.x, 7.x
>
>
> Analysis of a (Jenkins console log)[https://ci-cassandra.apache.org/job/Cassandra-5.0/654/] shows ~43MB (41%) is two classes of pure-noise output that stream through the controller and are buffered in the controller heap per the in-flight sh step:
> * Python dtest runs stream the cassandra-driver's reconnect loop at DEBUG level. A single flapping dtest-novnode cell produced 14,875 full Python tracebacks (~22MB) plus ~80k cassandra.cluster log lines (~11MB), peak 4.2MB/min.
> * Every forked test JVM logs the complete ant command line including the full ~17KB classpath ("Forking using command: [...]") = 1,296 lines = 21.4MB, identical content every time.
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