Debugging Production

@grosser grosser.it github.com/grosser

Michael GrosserRuby/Rails Framework Engineer

Exceptions

Logs

Reproduction

Exceptions:In the beginning they are helpful in the end they are noise.

airbrake_tools

Hot

List

Summary

air_mangithub.com / grosser / air_man

✓ Exceptions

Logs

Reproduction

request_recordergithub.com / grosser / request_recorder

ultragrepgithub.com / zendesk / ultragrep

- log folder structure <server>/year/month/day- 1 log per day 00:00 - 23:59- 2 newlines between requests

✓ Exceptions

✓ Logs

Reproduction

Login as customer: - master password - admins can log in as end-user - log who auths as whom

validate fix in productionbefore deploying

- prefer read only server - app.get / post - helper.link_to

✓ Exceptions

✓ Logs

✓ Reproduction

Know your exceptions - hot / patterns (airbrake_tools) - monitor (air_man) - track http status codes

Know your logs - redirects / queries (request_recorder) - search / info / data (ultragrep)

Reproduce to debugReproduce before deploying

Also hiring (Ruby/Ember/DevOps/...) -> live in sunny SF ;)