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Category Archives: Code
Oct 30 12
Trading up Your Engine: How to Move Your IOPS-heavy MySQL/Rails Stack to Unicode Without Downtime
You’re a techie working for one of the multitude of startups that rushed to market, where the founders hastily glued a Rails app together with candy-bar wrappers and tinfoil. Once it became obvious that enthusiasm was no substitute for raw coding power, developers … Continue reading
TL;DR; We brought our deploy time down from 10 minutes to 50 seconds. When I joined PagerDuty over a year ago, our application consisted of essentially a single Rails site. We’ve changed the architecture of our system since then to … Continue reading
I get a lot of requests to handle & escalate phone calls as well as alerts from monitoring systems. Here’s a code sample that lets you hand out a phone number, let the caller record a message and have that … Continue reading
Like pretty much everything else in Rails, optimistic locking is nice and easy to setup: you simply add a “lock_version” column to your ActiveRecord model and you’re all set. If a given Rails process is trying to update some record, … Continue reading
