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https://issues.apache.org/jira/browse/RATIS-2017?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duong updated RATIS-2017:
-------------------------
Priority: Critical (was: Major)
> CheckAndEvictCache must be done in writeLock
> --------------------------------------------
>
> Key: RATIS-2017
> URL: https://issues.apache.org/jira/browse/RATIS-2017
> Project: Ratis
> Issue Type: Bug
> Affects Versions: 3.0.0
> Reporter: Duong
> Assignee: Duong
> Priority: Critical
>
> RATIS-1893 moved checkAndEvictCache to a separate thread.
> This opens a condition race between evictCache and normal log operations like
> get/put.
> Before RATIS-1893, checkAndEvictCache was called from appendEntryImpl and
> safe under a writeLock().
>
> I noticed this error because there are get/put operations intervene with the
> EntryCache eviction during testing zero-copy:
> {code:java}
> void clear() {
> map.values().forEach(ReferenceCountedObject::release);
> map.clear();
> size.set(0);
> } {code}
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