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https://issues.apache.org/jira/browse/CASSANDRA-21557?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Miklosovic updated CASSANDRA-21557:
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Bug Category: Parent values: Code(13163)
Complexity: Normal
Discovered By: Code Inspection
Fix Version/s: 6.x
Severity: Normal
Assignee: Stefan Miklosovic
Status: Open (was: Triage Needed)
> Caffeine caches in CompressionDictionaryCache and ZstdDictionaryCompressor
> should specify an executor explicitly
> -----------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-21557
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21557
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Feature/Compression
> Reporter: Stefan Miklosovic
> Assignee: Stefan Miklosovic
> Priority: Normal
> Fix For: 6.x
>
>
> We are not setting executor on these caches which means that Caffeine will
> run stuff like {{removalListener}} on its default executor which is
> ForkJoinPool.commonPool() which contends with everything else. There is a
> pattern in Cassandra that each cache sets its own executor so we should do
> the same.
> We should use, most probably, ImmediateExecutor.INSTANCE
> https://github.com/ben-manes/caffeine/blob/v3.1.8/caffeine/src/main/java/com/github/benmanes/caffeine/cache/Caffeine.java#L337
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