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The scaling configured according to cpu usage: enter image description here

On the chart it's about 8 minutes between upscaling and 2 mins between downscalings. enter image description here

We cannot upscale faster because an instance requires ~5min to launch, however I'd like to have downscaling with similar delay too. Other variables:

Default Cooldown 600

Health Check Grace Period 400

What's configured wrong here?

0

In your decrease logic, increase the value for "consecutive periods...".

That should induce delay in your ASG shrink actions.

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  • 1
    but '4 consecutive periods of 300 seconds' is 20 minutes, why we have only two?
    – Putnik
    Nov 19 '16 at 22:05
  • @Putnik probably because the "remove 2" condition is being hit, so 2 are being removed at relatively the same time.
    – jordanm
    Nov 21 '16 at 7:22

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