This week kicks off with a discussion of database indexes, Datalog, and Datomic. Amos wants to talk about error handling and when to report errors to an external service. He thinks that the goal should be to get the reported errors to zero, and Chris thinks that’s not possible. Chris explains the ways that he reports metrics and errors to collection services.

The conversation moves to circuit breakers and common patterns for handling overload in service calls.

Chris and Amos wrap up with some tips for debugging production problems with the scientific method.

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Links:

• Datalog
• Datomic
• Adaptive Queues for handling overload