[FLINK-16038] Expose hitRate metric for JDBCLookupFunction

• Type: Improvement
• Status: Reopened
• Priority: Not a Priority
• Resolution: Unresolved
• Affects Version/s: 1.10.0
• Component/s: Connectors / JDBC
• Labels: pull-request-available stale-assigned
• Assignee: Benchao Li
• Reporter: Benchao Li
• Created: 13/Feb/20 11:06
• Updated: 30/Nov/22 20:40

Description

hitRate is a key metric for a cache. Exposing hitRate for JDBCLookupFunction can give users an intuitive understanding about the cache stat.

cc lzljs3620320 jark

Issue Links

• links to: GitHub Pull Request #11099