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e11y

https://rubygems.org/gems/e11y
https://github.com/arturseletskiy/e11y
E11y (Easy Telemetry) - Observability for Rails developers who hate noise. UNIQUE FEATURES: • Request-scoped debug buffering - buffers debug logs in memory, flushes ONLY on errors • Zero-config SLO tracking - automatic Service Level Objectives for HTTP endpoints and jobs • Schema-validated events - catch bugs before production with dry-schema DEVELOPER EXPERIENCE: • Minimal setup — one config block, works with stdout out of the box • Auto-metrics from events (no manual Yabeda.increment) • Rails-first design (follows Rails conventions) • Pluggable adapters (Loki, Sentry, OpenTelemetry, custom backends) COST SAVINGS: • Reduce log storage costs by 90% (request-scoped buffering) • Replace expensive APM SaaS ($500-5k/month → infra costs only) • Own your observability data (no vendor lock-in) PRODUCTION-READY: • Thread-safe for multi-threaded Rails + Sidekiq • Adaptive sampling (error-based, load-based, value-based) • PII filtering (GDPR-compliant masking/hashing) • Performance optimized (hash-based events, minimal allocations) Perfect for Rails 7.0+ teams who need observability without complexity or high costs.

Total

Ranking: 184,013 of 191,816
Downloads: 1,045

Daily

Ranking: 72,123 of 191,796
Downloads: 3

Depended by

RankDownloadsName
190,295284e11y-devtools

Depends on

RankDownloadsName
81,284,528,619rake
101,256,989,847rack
111,251,284,103concurrent-ruby
181,153,702,689faraday
29968,366,586rspec
44730,944,387rails
56674,987,345rubocop
65626,809,229zeitwerk
99458,149,705simplecov
117387,127,759webmock
133356,660,520faraday-retry
187265,776,443rubocop-rspec
227213,945,307yard
244198,718,393dry-types
377128,423,111sentry-ruby
460106,738,707dry-schema
50499,470,701memory_profiler
66783,621,239benchmark-ips
1,24236,382,801rubocop-rake

Owners

#GravatarHandle
1iconarchee2304