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https://issues.apache.org/jira/browse/CASSANDRA-21474?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Miklosovic updated CASSANDRA-21474:
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Fix Version/s: 6.0-alpha3
7.0
(was: 7.x)
(was: 6.x)
Since Version: NA
Source Control Link:
https://github.com/apache/cassandra/commit/c9ddb2c9c4ea4a39e0162e6e6cb846f157b1e162
Resolution: Fixed
Status: Resolved (was: Ready to Commit)
> NoSpamLogger uses unbounded cache that could lead to memory exhaustion
> ----------------------------------------------------------------------
>
> Key: CASSANDRA-21474
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21474
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Observability/Logging
> Reporter: Kathiresan Selvaraj
> Assignee: Viktoriia Kotovets
> Priority: Normal
> Fix For: 6.0-alpha3, 7.0
>
> Attachments: ci_summary.html, results_details.tar.xz
>
> Time Spent: 4h 50m
> Remaining Estimate: 0h
>
> The {{NoSpamLogger}} class maintains an unbounded cache of log statement keys
> without any eviction policy, which poses a memory leak risk.
> * Unbounded cache growth: The {{lastMessage}} map in {{NoSpamLogger.java}}
> uses a {{NonBlockingHashMap}} with no size limit or eviction policy.
> * When log messages contain dynamic content (e.g., query strings in
> tombstone warnings), each unique message creates a new cache entry.
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