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$ kubectl autoscale deployment php-apache --cpu-percent=50 --min=1 --max=50100 $ kubectl scale deploy infinite-calls --replicas=2030 $ kubectl get deploy NAME READY UP-TO-DATE AVAILABLE AGE infinite-calls 2030/2030 2030 2030 4h29m25h php-apache 2252/5085 5085 2252 4h31m25h $ kubectl get hpa --watch NAME REFERENCE TARGETS MINPODS MAXPODS REPLICAS AGE php-apache Deployment/php-apache 0%/50% 1 50 100 1 85s45s php-apache Deployment/php-apache 249%250%/50% 1 50100 1 2m20s78s php-apache Deployment/php-apache 249%250%/50% 1 50 100 4 2m35s93s php-apache Deployment/php-apache 249%250%/50% 1 50 100 5 2m50s108s php-apache Deployment/php-apache 230%235%/50% 1 50100 5 3m21s2m19s php-apache Deployment/php-apache 230%235%/50% 1 50 100 10 3m36s2m35s php-apache Deployment/php-apache 230%235%/50% 1 50100 19 3m52s2m50s php-apache Deployment/php-apache 123%212%/50% 1 50 100 19 4m24s3m21s php-apache Deployment/php-apache 123%212%/50% 1 50100 38 32 4m39s3m36s php-apache Deployment/php-apache 112%212%/50% 1 50100 43 32 5m25s3m51s php-apache Deployment/php-apache 112%99%/50% 1 50100 43 50 5m41s4m22s php-apache Deployment/php-apache 115%99%/50% 1 50100 5058 6m28s4m38s php-apache Deployment/php-apache 114%86%/50% 1 50100 58 50 7m29s5m9s php-apache Deployment/php-apache 110%86%/50% 1 50100 85 50 8m30s5m24s php-apache Deployment/php-apache 113%84%/50% 1 50100 5085 9m31s7m12s php-apache Deployment/php-apache 116%86%/50% 1 50100 85 50 10m8m15s php-apache Deployment/php-apache 114%87%/50% 1 50100 85 50 11m9m17s php-apache Deployment/php-apache 115%83%/50% 1 50100 85 50 12m10m php-apache Deployment/php-apache 113%87%/50% 1 50100 85 50 13m11m php-apache Deployment/php-apache 112%85%/50% 1 50100 85 50 14m13m php-apache Deployment/php-apache 113%86%/50% 1 50100 5085 15m14m php-apache Deployment/php-apache 108%85%/50% 1 50100 85 50 16m15m php-apache Deployment/php-apache 111%87%/50% 1 50100 85 50 17m16m php-apache Deployment/php-apache 109%86%/50% 1 50100 85 50 18m17m php-apache Deployment/php-apache 108%86%/50% 1 50100 85 50 19m18m php-apache Deployment/php-apache 109%85%/50% 1 50100 5085 20m php-apache Deployment/php-apache 107%0%/50% 1 50100 85 50 21m php-apache Deployment/php-apache 110%0%/50% 1 50100 85 50 22m26m php-apache Deployment/php-apache 108%0%/50% 1 50100 1 50 24m php-apache Deployment/26m |
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$ kubectl autoscale deployment php-apache 108%/50% 1 50--cpu-percent=50 --min=1 --max=50 $ kubectl scale deploy infinite-calls --replicas=15 $ kubectl get deploy NAME 50 READY 25m php-apacheUP-TO-DATE Deployment/php-apacheAVAILABLE 110%/50%AGE infinite-calls 115/15 15 50 15 50 26m5h4m php-apache Deployment/php-apache 106%22/50%42 1 42 50 22 50 5h6m $ kubectl get hpa 27m php-apache--watch NAME Deployment/php-apache 110%/50% REFERENCE 1 50 TARGETS 50MINPODS MAXPODS REPLICAS 28mAGE php-apache Deployment/php-apache 110%0%/50% 1 50 501 29m49m php-apache Deployment/php-apache 109%250%/50% 1 50 1 50 30m50m php-apache Deployment/php-apache 112%250%/50% 1 50 4 50 31m50m php-apache Deployment/php-apache 109%250%/50% 1 50 5 50 32m51m php-apache Deployment/php-apache 84%212%/50% 1 50 505 33m 51m php-apache Deployment/php-apache 0%212%/50% 1 50 9 50 34m51m php-apache Deployment/php-apache 0%197%/50% 1 50 9 50 39m52m php-apache Deployment/php-apache 0%197%/50% 1 1 50 18 5052m php-apache Deployment/php-apache 197%/50% 1 39m50 36 52m php-apache Deployment/php-apache 100%/50% 1 50 36 53m php-apache Deployment/php-apache 100%/50% 1 50 42 53m php-apache Deployment/php-apache 99%/50% 1 50 42 54m php-apache Deployment/php-apache 102%/50% 1 50 42 55m php-apache Deployment/php-apache 102%/50% 1 50 42 56m php-apache Deployment/php-apache 101%/50% 1 50 42 57m php-apache Deployment/php-apache 100%/50% 1 50 42 58m php-apache Deployment/php-apache 99%/50% 1 50 42 59m php-apache Deployment/php-apache 101%/50% 1 50 42 60m php-apache Deployment/php-apache 100%/50% 1 50 42 61m php-apache Deployment/php-apache 98%/50% 1 50 42 63m php-apache Deployment/php-apache 100%/50% 1 50 42 64m php-apache Deployment/php-apache 101%/50% 1 50 42 65m php-apache Deployment/php-apache 97%/50% 1 50 42 66m php-apache Deployment/php-apache 101%/50% 1 50 42 67m php-apache Deployment/php-apache 100%/50% 1 50 42 68m php-apache Deployment/php-apache 0%/50% 1 50 42 69m php-apache Deployment/php-apache 0%/50% 1 50 42 74m php-apache Deployment/php-apache 0%/50% 1 50 1 74m |
We can deduce from these graphs, observing the ordinate axis, the percentage of CPU used. The maximum CPU available is given by the sum of the CPUs of the worker nodes alone, which bear all the workload (it is preferable not to perform operations on the master to protect it from any crashes). We have respectively 24, 12 and 6 CPUs available based on flavor and, on average, a percentage equal to approximately 115%, 79% and 82% of use.
