grafana/pyroscope
Add an instance-level inflight bytes limit to the distributor
Aberta
#5.437 aberto em 28 de jul. de 2026
good first issue
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Description
An application-level flag such as -distributor.max-inflight-bytes can protect distributors from being OOMKilled when segment writers experience slowdowns or outages.
Prior art:
- Mimir:
-distributor.instance-limits.max-inflight-push-requests(-bytes), enforced at distributor.go#L1443 - Loki:
-distributor.max-inflight-bytes, enforced at distributor.go#L661-L669
Should be opt-in and apply for both the regular (sync) and the async write path.