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I haven't started profiling yet.

According to my cloud server's monitor, there is a big chance that the slowness is due to bandwith too crowded. I want to see if there is more slowness report or if I can experience slowness again, before I spend time to learn profiling.

But I guess sooner or later I'll have to do that. Now that I know what is in my armory, I feel more at peace :)

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Monitoring is part of the toolset ;)

Perhaps it's a good time to mention that I've implemented health checks for a lot of applications.

It returns healthy when everything is okay ( eg. Select 1; on the db) and unhealthy when something is off ( eg. Hard drive 80% occupied, CPU at 80% or memory at 85% ) and returns failure when....

If could be just a library in nodejs and adding an endpoint.

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