6de774f9f3
Write /dev/urandom to memory first rather than directly to disk. This means we aren't testing the speed of /dev/urandom, we're testing the speed of the disk
84 lines
1.8 KiB
Markdown
84 lines
1.8 KiB
Markdown
# Temperature monitoring and stress testing
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## Install
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```bash
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helm upgrade --install monitor ./helm
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```
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## Temperature
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```bash
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kubectl exec -it $(kubectl get pod --selector=app=monitor --output=jsonpath={.items..metadata.name}) -c glances -- watch -n1 sensors
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```
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## CPU Throttling
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```bash
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kubectl exec -it $(kubectl get pod --selector=app=monitor --output=jsonpath={.items..metadata.name}) -c glances -- watch -n1 lscpu
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```
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## Stress
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```bash
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kubectl exec -it $(kubectl get pod --selector=app=monitor --output=jsonpath={.items..metadata.name}) -c stress -- stress -c 48
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```
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## Overclocking
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<https://www.techpowerup.com/review/amd-ryzen-threadripper-3000-overclocking-deep-dive-asus-rog-zenith-ii-extreme/3.html>
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kubectl exec -it $(kubectl get pod --selector=app=monitor --output=jsonpath={.items..metadata.name}) -c stress -- bash
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time $(i=0; while (( i < 9999999 )); do (( i ++ )); done)
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### Stock
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real 0m15.979s
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user 0m15.956s
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sys 0m0.000s
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real 0m15.804s
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user 0m15.803s
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sys 0m0.000s
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### 4.1@1.15v
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real 0m16.364s
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user 0m16.363s
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sys 0m0.000s
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real 0m16.441s
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user 0m16.439s
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sys 0m0.000s
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## Disk
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Test command:
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```bash
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dd if=/dev/urandom of=/tmp/data bs=10M count=1024; dd if=/tmp/data of=$DISK/output; dd if=$DISK/output of=/dev/null; rm -f $DISK/output; rm -f /tmp/data
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dd if=/dev/zero of=/tmp/data bs=10M count=1024; dd if=/tmp/data of=$DISK/output; dd if=$DISK/output of=/dev/null; rm -f $DISK/output; rm -f /tmp/data
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```
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```bash
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kubectl exec -it $(kubectl get pod --selector=app=monitor --output=jsonpath={.items..metadata.name}) -c disk -- bash
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export DISK=/tmp/hdd/
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export DISK=/tmp/nvme/
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```
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### Mainframe
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```bash
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export DISK=/nvme
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```
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### Freenas
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```bash
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export DISK=/mnt/enc0/kube
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export DISK=/mnt/USB_SSD/kube
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```
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### Mac
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```bash
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sudo rsync --progress -v ./test.data /Volumes/Backup/test.data
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``` |