[ https://issues.apache.org/jira/browse/FLINK-25409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17493621#comment-17493621 ]
Yuan Zhu commented on FLINK-25409: ---------------------------------- Hi, all. Sorry for my late reply. As discussion before, I make a brief design: [https://docs.google.com/document/d/1L2eo7VABZBdRxoRP_wPvVwuvTZOV9qrN9gEQxjhSJOc/edit?usp=sharing] > Add cache metric to LookupFunction > ---------------------------------- > > Key: FLINK-25409 > URL: https://issues.apache.org/jira/browse/FLINK-25409 > Project: Flink > Issue Type: Improvement > Components: Table SQL / Ecosystem > Reporter: Yuan Zhu > Priority: Major > > Since we encounter performance problem when lookup join in production env > frequently, adding metrics to monitor Lookup function cache is very helpful > to troubleshoot. -- This message was sent by Atlassian Jira (v8.20.1#820001)