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The Meaning of Impact

As a programmer, I often over-quantified my own impact. I wanted opportunities where I could do big things. This desire for impact was a part of the reason why I headed down a management track. What I didn’t realize at the time is that individual contributors can have as much impact, or more, than any manager.

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Understanding Akka's Quarantine State

At Credit Karma, my team maintains a service powered by a multi node Akka cluster. Akka is a framework for building distributed, concurrent, and message-driven systems in Scala. It helps us easily scale our service, and gives us some resilience when problems inevitably happen in production. In this post, I’ll cover two problems - auto down and quarantine - and share our lessons learned.