srereview

Writing

Notes on observability cost, cardinality and retention, written from the platforms I run. Every price is dated and linked to its source.

  1. A cardinality and retention checklist for Prometheus-compatible stacks

    Ten checks that cut Prometheus and VictoriaMetrics costs without losing incident visibility, with configs tested against current releases.

    9 min read

  2. What I check in an Observability Cost Review

    The five-day Observability Cost Review step by step: what your spend buys, cardinality and retention quick wins, a migration plan and a savings estimate.

    7 min read

  3. Why your Datadog bill grows faster than your product

    Where a Datadog bill comes from (hosts, custom metrics, log ingestion and indexing, APM), a worked example at list prices, and what to change first.

    9 min read