etsy/logster

Health v2 · maintenance only

Flags: no_releases no_license

Adoption not part of the score

1960 stars · 265 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Logster is a Python CLI utility that reads log files, applies regex-based parser classes to extract data, and emits metrics to outputs like Graphite, Ganglia, CloudWatch, Nagios, StatsD, or stdout. It maintains a tailing cursor per log file so cron-driven runs only process new entries, enabling near real-time metric trends.

Use cases

• graph http response codes from web server logs
• generate metrics from log files for graphite
• track error log trends in near real time via cron
• parse custom log formats and export to statsd
• monitor application log events in cloudwatch

When to choose

• you want cron-driven, near real-time metrics extracted from log files
• you need pluggable regex parsers and multiple metric backends
• you prefer simple python parser scripts over log-shipping pipelines

When to avoid

• you need full log shipping or structured log aggregation rather than metrics
• you want a daemonized continuous tailer
• you need actively developed tooling with modern metric backends

Facets

cli-tool · maturity maintenance

logging monitoring parser analytics cli monitoring analytics developer-tools python cli log-parsing graphite ganglia metrics log-tailing etsy devops command-line linux

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