feat(ingester): Add active series tracker for pattern-based monitoring#7476
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yeya24 wants to merge 1 commit intocortexproject:masterfrom
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feat(ingester): Add active series tracker for pattern-based monitoring#7476yeya24 wants to merge 1 commit intocortexproject:masterfrom
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Add a new active series tracker feature that counts active series by
configurable label matchers (including regex) and exposes the counts as
Prometheus metrics. This is designed for internal monitoring without
enforcing any limits.
Key changes:
- Add ActiveSeriesTrackersConfig type in validation package with PromQL
matcher syntax support
- Add ActiveSeriesTrackers field to Limits struct for per-tenant config
with default fallback
- Add ActiveForMatchers() method to ActiveSeries for counting matching
series across all stripes
- Add cortex_ingester_active_series_per_tracker gauge metric
- Integrate into updateActiveSeries() periodic tick
- Matchers are validated and compiled during config unmarshalling
- Runtime hot-reloadable via existing runtime config overrides
Configuration example:
overrides:
tenant-123:
active_series_trackers:
- name: api_metrics
matchers: '{__name__=~"api_.*"}'
Metric emitted:
cortex_ingester_active_series_per_tracker{user="tenant", name="api_metrics"} 42
Signed-off-by: Ben Ye <benye@amazon.com>
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Add a new active series tracker feature that counts active series by configurable label matchers (including regex) and exposes the counts as Prometheus metrics. This is designed for internal monitoring without enforcing any limits.
Key changes:
Configuration example:
Metric emitted:
What this PR does:
Which issue(s) this PR fixes:
Fixes #
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]docs/configuration/v1-guarantees.mdupdated if this PR introduces experimental flags