Disk Performance: Difference between revisions
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cat <<'EXE' | sudo bash | cat <<'EXE' | sudo bash | ||
apt update;echo | apt-get update;echo | ||
apt install -y iozone3 | apt-get install -y iozone3 | ||
echo;iozone -v | echo;iozone -v | ||
EXE | EXE | ||
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| valign="top" | | | valign="top" | | ||
* [https://docs.rackspace.com/docs/copy-files-with-scp-and-rsync Linux » Copy files with SCP & Rsync] | |||
* [https://creodias.docs.cloudferro.com/en/latest/networking/How-To-Upload-And-Synchronise-Files-With-SCP-RSYNC-Creodias.html Linux » Upload & Synchronize Files] | |||
* [[Fedora/Raspberry Pi]] | * [[Fedora/Raspberry Pi]] | ||
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Latest revision as of 10:50, 12 July 2024
Sequential Write
dd if=/dev/zero of=/tmp/tempfile bs=1M count=1024 conv=fdatasync
:'
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 0.521978 s, 2.1 GB/s
'
Sequential Read » Clean Buffer
echo 'sync;echo 3 >/proc/sys/vm/drop_caches'|sudo bash
dd if=/tmp/tempfile of=/dev/null bs=1M count=1024
:'
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 0.978744 s, 1.1 GB/s
'
Sequential Read » Using Buffer
dd if=/tmp/tempfile of=/dev/null bs=1M count=1024
:'
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 0.151489 s, 7.1 GB/s
'
Benchmark Random Read & Write
iozone -t1 -i0 -i2 -r1k -s1g /tmp
-t : Number of threads or processes to use in throughput test
-i : Test to run
0=write/rewrite 1=read/re-read 2=random-read/write 3=Read-backwards
4=Re-write-record 5=stride-read 6=fwrite/re-fwrite 7=fread/Re-fread
8=random_mix 9=pwrite/Re-pwrite 10=pread/Re-pread 11=pwritev/Re-pwritev 12=preadv/Re-preadv
-r : record size in Kb
k .. size in kB
m .. size in MB
g .. size in GB
-s : file size in Kb
k .. size in kB
m .. size in MB
g .. size in GB
/tmp: test path
Playground
echo 'sync;echo 3 >/proc/sys/vm/drop_caches && swapoff -a && swapon -a'|sudo bash
free -th
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echo 'apt update;apt list --upgradable;apt upgrade'|sudo bash
bottom
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docker network prune -f
docker volume prune -f
docker system prune -f
docker image ls
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cat <<'EXE' | bash
for d in system network volume
do docker ${d} prune -f;done
EXE
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cat <<'EXE' | ssh [email protected]
for d in system network volume
do docker ${d} prune -f;done
EXE
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cat <<'EXE' | sudo bash
apt-get update;echo
apt-get install -y iozone3
echo;iozone -v
EXE
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lsblk nvme0n1 259:0 0 953.9G 0 disk ├─nvme0n1p1 259:1 0 1G 0 part /boot/efi ├─nvme0n1p2 259:2 0 2G 0 part /boot └─nvme0n1p3 259:3 0 950.8G 0 part / | |
References
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