Exactly this. This wepay post is well written and interesting, and DBZ sounds pretty neat. However, I think that the use case they present is an antipattern that incents/greases the wheels of leaky abstraction. Hell is having ETLs break because one refactored OLTP...
This is Erik from the Square engineering team. Our service has been restored; we will be following our standard postmortem process and will be making the results of this one public. We currently believe that this was caused by a bad deploy followed by a thundering herd capacity problem in our authentication service - no DDOS attack, etc.
History and details are available at issquareup.com.
We apologize for the downtime; this situation is well outside what we expect of our service and of ourselves.
Please feel free to email me at ewb_at_squareup.com with any questions. Again, we apologize for the outage and take remediation of these issues seriously.
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Square makes commerce easy and has economic empowerment as a core goal. We are hiring talented software and hardware engineers to build products that empower our sellers. We write software in a variety of languages - Java/Ruby/Go on the server, Java/ObjC/Swift/Kotlin on clients, ES5/ES6/CoffeeScript/Ember on web frontends, Python for ML model development, and generally the right tool for the job. We are committed to building a diverse company and strongly welcome engineers from all ranges of backgrounds.
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