Things I Learnt The Hard Way - Logs Are For Events, Not User Interface

0 minute read Published: 2019-07-15

On a previous life, to understand how a system behaved, I added a ton of metrics: how fast things were going in, how fast things were going out, how many things were in the middle, how many the job processed... Not doing it so makes me feel... naked.

Monitoring your project performance give you a really good view of how a system is behaving. Is the speed going down? Is the system taking longer to process an input? Are no inputs being processed?

If you have this kind of information, you can check what is going on in the system and understand why. Is it normal? Did a change around the system (the other system that produces the input, the system that consumes in the output) affected the results?

If you're not measuring, you'll have no idea.

Also, "If you can not measure it, you can not improve it", as Lord Kevin said.

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