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Solve Critical Engineering Problems

LogLens is a collection of high-speed workflows designed for modern DevOps. See how you can solve tough challenges in minutes, not hours.

Respond to Incidents Faster

Go from a high-level alert to a precise root cause. Instantly analyze performance spikes and error rates to understand the blast radius of an outage.

loglens stats describe incident.jsonl latency_ms --where 'status_code >= 500'

Understand Unfamiliar Logs

Dropped into a new project? Get an instant, high-level overview of any log directory: fields, statistics, and time ranges.

loglens stats summary logs/

Discover Log Schema

Don't guess field names. Instantly generate a schema showing every available field, data type, frequency, and example values.

loglens fields --details logs/

See Context Around Errors

The real challenge is understanding what led to an error. Use the context flag (-C) to see events before and after the crash.

loglens search ./logs/ "failed" -C 3

Reconstruct User Timelines

Debug single-user issues by combining time filtering with user matching. Use -B (before) and -A (after) to build a narrative.

loglens query auth.log 'user_id is "u_123"' -B 10 -A 5

Debug Microservice Traces

Follow a request's trace_id across distributed services. Collate logs into one file and analyze the lifecycle interactively.

loglens search ./logs/ "trace-123" > t.log && loglens tui t.log

Monitor Live Deployments

Stop drowning in tail -f. Watch logs in real-time with server-side filtering to see only critical errors as they happen.

loglens watch ./api/ --where 'status >= 500'

Slash Cloud Costs

Archive logs to cheap S3 cold storage. LogLens analyzes massive, compressed .gz files locally without extraction.

loglens tui ./archives/prod-2025.log.gz

Deep-Dive Performance Stats

Spot bottlenecks by grouping endpoint latencies, then calculate P95/P99 stats for the slowest ones.

loglens stats group-by ./api/ --by "endpoint" --avg "latency"

Pinpoint Outage Roots

Find the slowest endpoint specifically during errors. Filter by status code to see what's actually breaking production.

loglens stats group-by ./api/ --where "status >= 500"

Ready to Solve Your Toughest Problems?

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