Package org.apache.druid.server.metrics

Interface SupervisorStatsProvider

public interface SupervisorStatsProvider

Provides supervisor stats for metrics emission. Used by SupervisorStatsMonitor to report supervisor count and state metrics.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	SupervisorStatsProvider.SupervisorStats	Immutable snapshot of a single supervisor's stats for metrics emission.

Method Summary

Modifier and Type	Method	Description
Collection<SupervisorStatsProvider.SupervisorStats>	getSupervisorStats()	Returns a snapshot of per-supervisor stats for the current emission period.

Method Details

getSupervisorStats

Collection<SupervisorStatsProvider.SupervisorStats> getSupervisorStats()

Returns a snapshot of per-supervisor stats for the current emission period. Each entry represents one active supervisor with its id, type, and state.

Returns:

collection of supervisor stats; empty if no supervisors are active