8 votes

Slack’s Outage on January 4th 2021

1 comment

  1. JRandomHacker
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    I think one of the most interesting/unexpected notes was the fact that network contention caused threads to start waiting, which showed as decreased CPU usage and triggered an automated...

    I think one of the most interesting/unexpected notes was the fact that network contention caused threads to start waiting, which showed as decreased CPU usage and triggered an automated downscaling of compute resources (which made everything worse).