KESTREL
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THE INSTRUMENT
One pane. Every signal.
Traces, logs, metrics, and SLOs — fused into a single queryable surface, rendered at the speed of thought.
Trace Explorer
Every request is a story with forty narrators. Kestrel lines them up: a waterfall of spans with inline logs, payload sizes, retry markers, and the exact line of code that burned 300ms. Search two billion spans with a query that returns before your finger leaves Enter.
- FULL-FIDELITY, NO SAMPLING ON ERRORS
- 30-DAY HOT RETENTION
- SUB-50MS QUERIES
Live Service Map
Your topology, discovered — not drawn. Nodes size by throughput, edges thicken with traffic, and trouble literally glows. Watch a deploy propagate left to right across your stack in real time.
- AUTO-DISCOVERED FROM SPANS
- DEPLOY MARKERS INLINE
- BLAST-RADIUS PREVIEW
Anomaly Engine
Thresholds age like milk. Kestrel baselines every series — seasonality, deploys, traffic shape — and pages only when reality leaves the envelope. When it fires, it arrives with the receipts: the trace, the diff, the suspect deploy.
- SEASONAL BASELINES PER SERIES
- ROOT-CAUSE GROUPING
- 87% LESS PAGER NOISE
Log Fusion
Logs aren't a separate product — they're the footnotes of your traces. Every log line lands pre-joined to its span. Click a spike, read the exact stderr that caused it. No copy-pasting request IDs between tabs, ever again.
- SPAN-JOINED AT INGEST
- STRUCTURED + RAW
- GREP THAT FEELS LOCAL
SLO Studio
Reliability is a budget. Spend it on shipping. Define an SLO in one sentence — 99.9% of checkouts under 800ms — and Kestrel compiles it into burn-rate alerts, a forecast, and a monthly report your VP actually reads.
- ONE-SENTENCE DEFINITIONS
- MULTI-WINDOW BURN ALERTS
- EXEC-READY REPORTS
budget exhausts: never, at current burn
Speaks everything you run.
OTLP-NATIVE. IF IT EMITS A SPAN, KESTREL DRINKS IT.
Your stack has something to tell you.
NO CARD · 1M SPANS/MO · FIVE-MINUTE SETUP