Performance

Business impact and transparency: expressing system availability

Tweet “System availability was 99.83% last month!  That’s up from 99.75% the previous month!” Sounds kind of good, no? I mean, that’s a high number, right? Right? Actually, no.  It’s not a very useful number, in and of itself. In fact, I regard the publication of uptime metrics like that as a regrettable symptom of […]

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