morrySnow opened a new pull request, #64742:
URL: https://github.com/apache/doris/pull/64742
### What problem does this PR solve?
Issue Number: None
Related PR: None
Problem Summary: FE metrics exposed current connection counts but did not
expose the configured maximum total connection count or each user's
max_user_connections value. This change adds doris_fe_connection_max from
qe_max_connection and doris_fe_user_connection_max with a user label. User max
connection metrics are initialized from all user properties when MetricRepo
starts and are synchronized when users are created, dropped, or when user
properties are updated or replayed.
### Release note
Add FE metrics doris_fe_connection_max and doris_fe_user_connection_max.
### Check List (For Author)
- Test: Unit Test
- ./run-fe-ut.sh --run org.apache.doris.metric.MetricsTest
- mvn checkstyle:check -pl fe-core
- Behavior changed: Yes (adds FE metrics for total and per-user connection
limits)
- Does this need documentation: No
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