How To: perform an 'in' query with mongo and spring-data
Unfortunately it looks like spring-data will not autowire up queries that will perform an in query under the hood.
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Mongo $or queries are slow
Mongo doesn’t appear to perform particularly well when querying large-ish collections with $or queries. For some reason, it can’t figure out which index to use and often ends up doing a COLLSCAN. Say you have the following document structure representing user transactions: [Read More] -
Tight Coupling x Complexity
When building systems you will quite often have to make the tradeoff between having a system that is loosly coupled or one that is simple. When we think of tight coupling we tend to think of it as a bad thing. But that is not always the case, you need... [Read More] -
Why peer count matters for distributed systems
TL;DR [Read More] -
Scaling teams by embracing autonomy
Everyone knows that micromanagement is bad; it’s “common sense” right. So why is it so common that developers who become team leaders fall into the trap of becoming micromanagers? And why is it especially prevalent for accidental team leads? [Read More]