리눅스 디스크 쓰기 성능 측정

1 개요[ | ]

리눅스 디스크 쓰기 성능 측정

1GB 연속 쓰기 테스트 (스루풋)

dd if=/dev/zero bs=1G count=1 of=write_1GB_test

1MB씩 1024회 쓰기 테스트 (레이턴시)

dd if=/dev/zero bs=1M count=1024 of=write_1GB_test

2 실행예시[ | ]

root@zetawiki:~# dd if=/dev/zero bs=1G count=1 of=write_1GB_test
1+0 records in
1+0 records out
1073741824 bytes (1.1 GB) copied, 77.8715 s, 13.8 MB/s

root@zetawiki:~# dd if=/dev/zero bs=1G count=1 of=write_1GB_test
1+0 records in
1+0 records out
1073741824 bytes (1.1 GB) copied, 101.723 s, 10.6 MB/s

root@zetawiki:~# ll -h write_1GB_test 
-rw-r--r-- 1 root root 1.0G Jul 23 18:38 write_1GB_test

3 실행예시[ | ]

root@zetawiki:~# dd if=/dev/zero bs=1M count=1024 of=write_1GB_test
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 8.41153 s, 128 MB/s

root@zetawiki:~# dd if=/dev/zero bs=1M count=1024 of=write_1GB_test
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 8.6605 s, 124 MB/s

root@zetawiki:~# ll -h write_1GB_test 
-rw-r--r-- 1 root root 1.0G Jul 23 18:41 write_1GB_test

4 같이 보기[ | ]

5 참고[ | ]