查看服务器磁盘io性能(读写性能)
2022-03-28 本文已影响0人
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[root@_dev ~]# dd if=/dev/zero bs=4k count=1k of=./test oflag=direct
1024+0 records in
1024+0 records out
4194304 bytes (4.2 MB) copied, 0.0275686 s, 152 MB/s
[root@_dev ~]# dd if=/dev/zero bs=4k count=1k of=./test oflag=direct
1024+0 records in
1024+0 records out
4194304 bytes (4.2 MB) copied, 0.0275686 s, 152 MB/s