站長日誌

1.MySQL
#time dd if=/dev/zero of=/var/test bs=2k count=1000000

1000000+0 records in
1000000+0 records out
2048000000 bytes (2.0 GB) copied, 11.0035 s, 186 MB/s

real 0m11.311s
user 0m0.112s
sys 0m3.407s

#hdparm -Tt /dev/sda
/dev/sda:
Timing cached reads: 17856 MB in 2.00 seconds = 8942.26 MB/sec
Timing buffered disk reads: 490 MB in 3.01 seconds = 162.90 MB/sec
———————-
2020

#hdparm -Tt /dev/sda
Timing cached reads: 18206 MB in 2.00 seconds = 9118.22 MB/sec
Timing buffered disk reads: 474 MB in 3.01 seconds = 157.71 MB/sec

2.Main Server
#time dd if=/dev/zero of=/var/test bs=2k count=1000000
1000000+0 records in
1000000+0 records out
2048000000 bytes (2.0 GB) copied, 7.75729 s, 264 MB/s

real 0m7.980s
user 0m0.072s
sys 0m2.265s

#2020 kingstone
1000000+0 records in
1000000+0 records out
2048000000 bytes (2.0 GB) copied, 7.76174 s, 264 MB/s

real 0m7.778s
user 0m0.215s
sys 0m2.552s

#2020 MX500
1000000+0 records in
1000000+0 records out
2048000000 bytes (2.0 GB) copied, 6.04026 s, 339 MB/s

real 0m6.057s
user 0m0.260s
sys 0m2.492s

#hdparm -Tt /dev/sda
/dev/sda:
Timing cached reads: 28628 MB in 2.00 seconds = 14337.89 MB/sec
Timing buffered disk reads: 1032 MB in 3.00 seconds = 343.47 MB/sec

——
2020 Kingston
Timing cached reads: 28454 MB in 1.99 seconds = 14293.92 MB/sec
Timing buffered disk reads: 996 MB in 3.00 seconds = 331.76 MB/sec

2020 MX500
Timing cached reads: 28586 MB in 1.99 seconds = 14360.96 MB/sec
Timing buffered disk reads: 1528 MB in 3.00 seconds = 508.89 MB/sec