[petethepig]

This would be my guess as well.

I work on Pyroscope, which is a continuous profiling platform and so I see a lot of profiles from various organizations.

If you want to save the world some CPU cycles I would look into optimizing deserialization. And it’s not just JSON, binary formats like protobuf are not much better.

It comes down to the overhead associated with allocation and tracking (GC) of many many small objects which is unfortunately very common in modern systems.