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LNU: improve nodeUsage logging

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To avoid:
```
I0210 11:56:04.137956 3309277 lownodeutilization.go:389] "Updated node usage" updatedUsage={node:0xc000460000 usage:map[cpu:0xc00042b480 memory:0xc00042b4c0 pods:0xc00042b500] allPods:[0xc0004a0000 0xc0004a03e8 0xc0004a07d0 0xc0004a0bb8 0xc0004a0fa0 0xc0004a1388 0xc0004a1770 0xc0004a1b58] lowResourceThreshold:map[cpu:0xc00042b540 memory:0xc00042b580 pods:0xc00042b5c0] highResourceThreshold:map[cpu:0xc00042b600 memory:0xc00042b640 pods:0xc00042b680]}
I0210 11:56:04.138829 3309277 lownodeutilization.go:389] "Updated node usage" updatedUsage={node:0xc000460000 usage:map[cpu:0xc00042b480 memory:0xc00042b4c0 pods:0xc00042b500] allPods:[0xc0004a0000 0xc0004a03e8 0xc0004a07d0 0xc0004a0bb8 0xc0004a0fa0 0xc0004a1388 0xc0004a1770 0xc0004a1b58] lowResourceThreshold:map[cpu:0xc00042b540 memory:0xc00042b580 pods:0xc00042b5c0] highResourceThreshold:map[cpu:0xc00042b600 memory:0xc00042b640 pods:0xc00042b680]}
I0210 11:56:04.139044 3309277 lownodeutilization.go:389] "Updated node usage" updatedUsage={node:0xc000460000 usage:map[cpu:0xc00042b480 memory:0xc00042b4c0 pods:0xc00042b500] allPods:[0xc0004a0000 0xc0004a03e8 0xc0004a07d0 0xc0004a0bb8 0xc0004a0fa0 0xc0004a1388 0xc0004a1770 0xc0004a1b58] lowResourceThreshold:map[cpu:0xc00042b540 memory:0xc00042b580 pods:0xc00042b5c0] highResourceThreshold:map[cpu:0xc00042b600 memory:0xc00042b640 pods:0xc00042b680]}
```
This commit is contained in:
Jan Chaloupka
2021-04-06 09:42:50 +02:00
parent b713b7852a
commit c239e1199f
2 changed files with 34 additions and 22 deletions
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2
README.md
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@@ -177,7 +177,7 @@ The under utilization of nodes is determined by a configurable threshold `thresh
calculated as the current resources requested on the node vs [total allocatable](https://kubernetes.io/docs/concepts/architecture/nodes/#capacity).
For pods, this means the number of pods on the node as a fraction of the pod capacity set for that node).
If a node's usage is below threshold for all (cpu, memory, and number of pods), the node is considered underutilized.
If a node's usage is below threshold for all (cpu, memory, number of pods and extended resources), the node is considered underutilized.
Currently, pods request resource requirements are considered for computing node resource utilization.
There is another configurable threshold, `targetThresholds`, that is used to compute those potential nodes