[ https://issues.apache.org/jira/browse/KAFKA-10074?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ismael Juma resolved KAFKA-10074. --------------------------------- Reviewer: Rajini Sivaram Resolution: Fixed > Improve performance of `matchingAcls` > ------------------------------------- > > Key: KAFKA-10074 > URL: https://issues.apache.org/jira/browse/KAFKA-10074 > Project: Kafka > Issue Type: Improvement > Reporter: Ismael Juma > Assignee: Ismael Juma > Priority: Critical > Fix For: 2.6.0 > > > A recent change in `matchingAcls` to remove `filterKeys` in favor of > filtering inside `flatMap` caused a performance regression in cases where > there are large number of topics, prefix ACLs and TreeMap.from/to filtering > is ineffective. In such cases, we rely on string comparisons to exclude > entries from the ACL cache that are not relevant. > This issue is not present in any release yet, so we should include the simple > fix in the 2.6 branch. -- This message was sent by Atlassian Jira (v8.3.4#803005)