Key features
- SLO as Kubernetes CRD — define APAC SLOs in git alongside Kubernetes manifests
- Multi-burn-rate alerts — automatic APAC Prometheus alerting at 1h/6h/3d windows
- PrometheusRule generation — no APAC manual PromQL for burn-rate expressions
- Pyrra dashboard — APAC SLO compliance and error budget status web UI
- GitOps compatible — APAC SLO CRDs synced via ArgoCD or Flux pipelines
- Availability, latency, throughput SLO types for APAC service coverage
Best for
- APAC platform teams adopting SLO-based alerting without PromQL expertise — Pyrra generates correct multi-burn-rate APAC alert rules from simple SLO percentage targets
- APAC Kubernetes-native engineering teams using Prometheus Operator — Pyrra's CRD model integrates naturally with APAC Kubernetes GitOps and Prometheus Operator workflows
- APAC SRE teams wanting SLO visibility across many APAC services — Pyrra's dashboard provides cross-service APAC SLO status without custom APAC Grafana dashboard maintenance
Limitations to know
- ! Prometheus-only — Pyrra works exclusively with APAC Prometheus; APAC teams on Datadog, New Relic, or other APAC monitoring platforms must use alternative APAC SLO tooling
- ! No built-in APAC error budget alerting policy — Pyrra generates alerts but APAC teams define their own alert routing, on-call escalation, and APAC error budget policy procedures separately
- ! Smaller APAC community than Sloth — Pyrra has less APAC documentation and community resources than Sloth; APAC teams should evaluate both for their specific APAC workflow preferences
About Pyrra
Pyrra is an open-source SLO management tool for Prometheus that defines APAC service-level objectives as Kubernetes Custom Resource Definitions (CRDs) — where APAC platform teams express SLO targets (e.g., "99.9% of APAC payment API requests succeed within 500ms over a 30-day window") in a Pyrra ServiceLevelObjective manifest, and Pyrra automatically generates the Prometheus recording rules and multi-burn-rate alert rules required to implement Google's SLO alerting methodology without APAC platform engineers manually writing complex PromQL expressions.
Pyrra's multi-burn-rate alerting — where Pyrra generates Prometheus alert rules that fire when the APAC error budget is being consumed faster than acceptable across multiple time windows (1h, 6h, 3d burn rate windows with configurable APAC alert thresholds) — implements the SLO alerting approach from Google's SRE Workbook: alerting on burn rate rather than raw error rate, which reduces APAC alert noise while catching APAC incidents that consume significant error budget before the 30-day window expires.
Pyrra's Kubernetes-native deployment — where APAC platform teams install Pyrra via Helm chart, define ServiceLevelObjective CRDs in APAC Kubernetes namespaces, and Pyrra reconciles the CRDs by creating PrometheusRule objects that Prometheus Operator picks up automatically — integrates with APAC Kubernetes GitOps workflows: APAC SLO definitions live in APAC git repositories alongside APAC Kubernetes manifests, with Argo CD or Flux syncing APAC SLO configuration changes to the APAC cluster.
Pyrra's dashboard — where APAC platform engineers access Pyrra's web UI showing all APAC services' SLO compliance status, error budget remaining, burn rate trends, and historical APAC SLO performance — provides APAC engineering teams a consolidated APAC SLO overview without building custom APAC Grafana dashboards for each service, surfacing which APAC services are approaching APAC error budget exhaustion before APAC alert conditions fire.
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