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CRThaze/00-benchmark-job.k8s.yaml

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IO Benchmark Job for K8s Storage Class
Raw
00-benchmark-job.k8s.yaml
---
apiVersion: v1
kind: ConfigMap
metadata:
name: io-benchmark
labels:
app.kubernetes.io/name: io-benchmark
data:
rand-rw.fio: |
[global]
bs=4K
iodepth=256
direct=1
ioengine=libaio
group_reporting
time_based
runtime=120
numjobs=4
directory=/iops/testvol
[job0]
name=rand-rw
size=1g
rw=randrw
rand-read.fio: |
[global]
bs=4K
iodepth=256
direct=1
ioengine=libaio
group_reporting
time_based
runtime=120
numjobs=4
directory=/iops/testvol
[job0]
name=rand-read
size=1g
rw=randread
rand-write.fio: |
[global]
bs=4K
iodepth=256
direct=1
ioengine=libaio
group_reporting
time_based
runtime=120
numjobs=4
directory=/iops/testvol
[job0]
name=rand-write
size=1g
rw=randwrite
seq-rw.fio: |
[global]
bs=4K
iodepth=256
direct=1
ioengine=libaio
group_reporting
time_based
runtime=120
numjobs=4
directory=/iops/testvol
[job0]
name=seq-rw
size=1g
rw=rw
seq-read.fio: |
[global]
bs=4K
iodepth=256
direct=1
ioengine=libaio
group_reporting
time_based
runtime=120
numjobs=4
directory=/iops/testvol
[job0]
name=seq-read
size=1g
rw=read
seq-write.fio: |
[global]
bs=4K
iodepth=256
direct=1
ioengine=libaio
group_reporting
time_based
runtime=120
numjobs=4
directory=/iops/testvol
[job0]
name=seq-write
size=1g
rw=write
---
apiVersion: batch/v1
kind: Job
metadata:
name: io-benchmark
labels:
app.kubernetes.io/name: io-benchmark
spec:
template:
metadata:
labels:
app.kubernetes.io/name: io-benchmark
spec:
securityContext:
fsGroup: 1000
initContainers:
- name: io-bench-latency
image: ghcr.io/comet-ml/docker-iops:1.0.0
command:
- /bin/sh
args:
- -ec
- |
docker-entrypoint.sh ioping -J -c 16 /iops/testvol | tee /iops/output/latency.json
volumeMounts:
- mountPath: /iops/testvol
name: testvol
- mountPath: /iops/output
name: output
- name: io-bench-randrw
image: ghcr.io/comet-ml/docker-iops:1.0.0
args:
- fio
- /iops/cfg/rand-rw.fio
- --output=/iops/output/rand-rw.json
- --output-format=json
volumeMounts:
- mountPath: /iops/cfg
name: jobcfg
- mountPath: /iops/testvol
name: testvol
- mountPath: /iops/output
name: output
- name: io-bench-randread
image: ghcr.io/comet-ml/docker-iops:1.0.0
args:
- fio
- /iops/cfg/rand-read.fio
- --output=/iops/output/rand-read.json
- --output-format=json
volumeMounts:
- mountPath: /iops/cfg
name: jobcfg
- mountPath: /iops/testvol
name: testvol
- mountPath: /iops/output
name: output
- name: io-bench-randwrite
image: ghcr.io/comet-ml/docker-iops:1.0.0
args:
- fio
- /iops/cfg/rand-write.fio
- --output=/iops/output/rand-write.json
- --output-format=json
volumeMounts:
- mountPath: /iops/cfg
name: jobcfg
- mountPath: /iops/testvol
name: testvol
- mountPath: /iops/output
name: output
- name: io-bench-seqrw
image: ghcr.io/comet-ml/docker-iops:1.0.0
args:
- fio
- /iops/cfg/seq-rw.fio
- --output=/iops/output/seq-rw.json
- --output-format=json
volumeMounts:
- mountPath: /iops/cfg
name: jobcfg
- mountPath: /iops/testvol
name: testvol
- mountPath: /iops/output
name: output
- name: io-bench-seqread
image: ghcr.io/comet-ml/docker-iops:1.0.0
args:
- fio
- /iops/cfg/seq-read.fio
- --output=/iops/output/seq-read.json
- --output-format=json
volumeMounts:
- mountPath: /iops/cfg
name: jobcfg
- mountPath: /iops/testvol
name: testvol
- mountPath: /iops/output
name: output
- name: io-bench-seqwrite
image: ghcr.io/comet-ml/docker-iops:1.0.0
args:
- fio
- /iops/cfg/seq-write.fio
- --output=/iops/output/seq-write.json
- --output-format=json
volumeMounts:
- mountPath: /iops/cfg
name: jobcfg
- mountPath: /iops/testvol
name: testvol
- mountPath: /iops/output
name: output
containers:
- name: report
image: leplusorg/json
command:
- sh
args:
- -ec
- |
jq -s . /iops/output/*.json
volumeMounts:
- mountPath: /iops/output
name: output
restartPolicy: Never
volumes:
- name: jobcfg
configMap:
name: io-benchmark
- name: testvol
ephemeral:
volumeClaimTemplate:
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 32Gi
storageClassName: gp2
volumeMode: Filesystem
- name: output
emptyDir: {}
backoffLimit: 0
Raw
01-benchmark.sh
#!/bin/bash
set -e
if [ -z "$1" ]
then
echo "Usage:"
echo -e "\t${0} <storage class name>"
exit 2
fi
if [[ "$1" =~ [[:space:]] ]]; then
echo "Given Storage Class Name is not valid!"
echo -e "\t'$1'"
exit 1
fi
yq -i "select(di == 1).spec.template.spec.volumes[1].ephemeral.volumeClaimTemplate.spec.storageClassName = \"${1}\"" benchmark-job.k8s.yaml
kubectl apply -f benchmark-job.k8s.yaml
sleep 1
kubectl get pod -l app.kubernetes.io/name=io-benchmark -w &
cleanup() {
kill %1
}
trap cleanup SIGINT
kubectl wait --for=condition=complete --timeout=15m job/io-benchmark
kill %1
trap - SIGINT
kubectl logs -l app.kubernetes.io/name=io-benchmark -c report --tail=-1 > bench-${1}.json
kubectl delete -f benchmark-job.k8s.yaml
less bench-${1}.json
Raw
02-bench-gp2.json
[
[
{
"timestamp": 1740064634.206358,
"localtime": "2025-02-20T15:17:14+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 1,
"operation": "read",
"size": 4096,
"time": 641396,
"ignored": true
}
},
{
"timestamp": 1740064635.206563,
"localtime": "2025-02-20T15:17:15+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 2,
"operation": "read",
"size": 4096,
"time": 687430,
"ignored": false
}
},
{
"timestamp": 1740064636.206482,
"localtime": "2025-02-20T15:17:16+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 3,
"operation": "read",
"size": 4096,
"time": 632579,
"ignored": false
}
},
{
"timestamp": 1740064637.206590,
"localtime": "2025-02-20T15:17:17+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 4,
"operation": "read",
"size": 4096,
"time": 732622,
"ignored": false
}
},
{
"timestamp": 1740064638.206626,
"localtime": "2025-02-20T15:17:18+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 5,
"operation": "read",
"size": 4096,
"time": 761160,
"ignored": false
}
},
{
"timestamp": 1740064639.206559,
"localtime": "2025-02-20T15:17:19+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 6,
"operation": "read",
"size": 4096,
"time": 710139,
"ignored": false
}
},
{
"timestamp": 1740064640.206629,
"localtime": "2025-02-20T15:17:20+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 7,
"operation": "read",
"size": 4096,
"time": 775582,
"ignored": false
}
},
{
"timestamp": 1740064641.206625,
"localtime": "2025-02-20T15:17:21+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 8,
"operation": "read",
"size": 4096,
"time": 754643,
"ignored": false
}
},
{
"timestamp": 1740064642.220049,
"localtime": "2025-02-20T15:17:22+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 9,
"operation": "read",
"size": 4096,
"time": 14141797,
"ignored": false
}
},
{
"timestamp": 1740064643.235584,
"localtime": "2025-02-20T15:17:23+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 10,
"operation": "read",
"size": 4096,
"time": 27396379,
"ignored": false
}
},
{
"timestamp": 1740064644.271412,
"localtime": "2025-02-20T15:17:24+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 11,
"operation": "read",
"size": 4096,
"time": 39333899,
"ignored": false
}
},
{
"timestamp": 1740064645.334975,
"localtime": "2025-02-20T15:17:25+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 12,
"operation": "read",
"size": 4096,
"time": 126877315,
"ignored": false
}
},
{
"timestamp": 1740064646.224048,
"localtime": "2025-02-20T15:17:26+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 13,
"operation": "read",
"size": 4096,
"time": 15986769,
"ignored": false
}
},
{
"timestamp": 1740064647.252050,
"localtime": "2025-02-20T15:17:27+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 14,
"operation": "read",
"size": 4096,
"time": 6399845,
"ignored": false
}
},
{
"timestamp": 1740064648.206906,
"localtime": "2025-02-20T15:17:28+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
"request": 15,
"operation": "read",
"size": 4096,
"time": 768818,
"ignored": false
}
},
{
"timestamp": 1740064649.206554,
"localtime": "2025-02-20T15:17:29+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"io": {
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"operation": "read",
"size": 4096,
"time": 709804,
"ignored": false
}
},
{
"timestamp": 1740064649.206554,
"localtime": "2025-02-20T15:17:29+0000",
"target": {
"path": "/iops/testvol",
"fstype": "ext4",
"device": "/dev/nvme1n1",
"device_size": 33501757440
},
"stat": {
"count": 15,
"size": 61440,
"time": 236668781,
"iops": 63.379715,
"bps": 259603,
"min": 632579,
"avg": 15777919,
"max": 126877315,
"mdev": 31793829
},
"load": {
"count": 16,
"size": 65536,
"time": 15000861792,
"iops": 1.066605,
"bps": 4369
}
}
],
{
"fio version": "fio-3.38",
"timestamp": 1740064923,
"timestamp_ms": 1740064923606,
"time": "Thu Feb 20 15:22:03 2025",
"global options": {
"bs": "4K",
"iodepth": "256",
"direct": "1",
"ioengine": "libaio",
"runtime": "120",
"numjobs": "4",
"directory": "/iops/testvol"
},
"jobs": [
{
"jobname": "rand-read",
"groupid": 0,
"job_start": 1740064803510,
"error": 0,
"eta": 0,
"elapsed": 121,
"job options": {
"name": "rand-read",
"size": "1g",
"rw": "randread"
},
"read": {
"io_bytes": 1487122432,
"io_kbytes": 1452268,
"bw_bytes": 12390415,
"bw": 12100,
"iops": 3025.003749,
"runtime": 120022,
"total_ios": 363067,
"short_ios": 0,
"drop_ios": 0,
"slat_ns": {
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"max": 496094967,
"mean": 1313613.055728,
"stddev": 3967448.579908,
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},
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"stddev": 71269522.509110,
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"percentile": {
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}
},
"lat_ns": {
"min": 3989412,
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"stddev": 71438141.222774,
"N": 363067
},
"bw_min": 6072,
"bw_max": 28377,
"bw_agg": 99.826325,
"bw_mean": 12079.364017,
"bw_dev": 547.010628,
"bw_samples": 956,
"iops_min": 1517,
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"iops_mean": 3019.656904,
"iops_stddev": 136.754448,
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},
"write": {
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"N": 0
},
"clat_ns": {
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"N": 0
},
"lat_ns": {
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},
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},
"trim": {
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},
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},
"lat_ns": {
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"iops_stddev": 0.000000,
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},
"sync": {
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"lat_ns": {
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"N": 0
}
},
"job_runtime": 480066,
"usr_cpu": 0.399945,
"sys_cpu": 0.619915,
"ctx": 109971,
"majf": 0,
"minf": 1066,
"iodepth_level": {
"1": 0.100000,
"2": 0.100000,
"4": 0.100000,
"8": 0.100000,
"16": 0.100000,
"32": 0.100000,
">=64": 99.930591
},
"iodepth_submit": {
"0": 0.000000,
"4": 100.000000,
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"16": 0.000000,
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">=64": 0.000000
},
"iodepth_complete": {
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">=64": 0.100000
},
"latency_ns": {
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},
"latency_us": {
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"50": 0.000000,
"100": 0.000000,
"250": 0.000000,
"500": 0.000000,
"750": 0.000000,
"1000": 0.000000
},
"latency_ms": {
"2": 0.000000,
"4": 0.010000,
"10": 0.126148,
"20": 0.269647,
"50": 0.378167,
"100": 0.165810,
"250": 7.082990,
"500": 91.349531,
"750": 0.500183,
"1000": 0.126974,
"2000": 0.000000,
">=2000": 0.000000
},
"latency_depth": 256,
"latency_target": 0,
"latency_percentile": 100.000000,
"latency_window": 0
}
],
"disk_util": [
{
"name": "nvme1n1",
"read_ios": 362532,
"write_ios": 3,
"read_sectors": 2900256,
"write_sectors": 32,
"read_merges": 0,
"write_merges": 1,
"read_ticks": 6095462,
"write_ticks": 51,
"in_queue": 6095512,
"util": 97.824201
}
]
},
{
"fio version": "fio-3.38",
"timestamp": 1740064801,
"timestamp_ms": 1740064801540,
"time": "Thu Feb 20 15:20:01 2025",
"global options": {
"bs": "4K",
"iodepth": "256",
"direct": "1",
"ioengine": "libaio",
"runtime": "120",
"numjobs": "4",
"directory": "/iops/testvol"
},
"jobs": [
{
"jobname": "rand-rw",
"groupid": 0,
"job_start": 1740064681285,
"error": 0,
"eta": 0,
"elapsed": 121,
"job options": {
"name": "rand-rw",
"size": "1g",
"rw": "randrw"
},
"read": {
"io_bytes": 743342080,
"io_kbytes": 725920,
"bw_bytes": 6191215,
"bw": 6046,
"iops": 1511.527186,
"runtime": 120064,
"total_ios": 181480,
"short_ios": 0,
"drop_ios": 0,
"slat_ns": {
"min": 2050,
"max": 153488557,
"mean": 1321922.810767,
"stddev": 4723462.714580,
"N": 181480
},
"clat_ns": {
"min": 14836626,
"max": 704451947,
"mean": 337159383.239965,
"stddev": 81665680.191839,
"N": 181480,
"percentile": {
"1.000000": 154140672,
"5.000000": 214958080,
"10.000000": 240123904,
"20.000000": 270532608,
"30.000000": 295698432,
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"90.000000": 442499072,
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"99.990000": 675282944
}
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