Blog - LINE ENGINEERING

Mickey Donaghy

Mickey likes to use tools and types to make software better. He works on backend server systems at LINE, particularly the location platform.

Profiling a simple performance issue in a JVM-based server
Mickey Donaghy2021-09-17
Mickey likes to use tools and types to make software better. He works on backend server systems at LINE, particularly the location platform.
I work on the backend code that supports some of LINE's location-based features, and we've recently had an exciting project to improve our support for keeping track of nearby points of interest (PoIs) — shops, museums, anything you might want to know that you were close to.In order to deliver this as quickly as possible, we elected to reuse an existing PoI datastore from a previous project — which meant we had to read the data from MongoDB. Although I'd worked a little with MongoDB in an existin

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