上周收到邮件,说会给dc2的老客户升级硬盘,昨天晚上升级了,测了一下硬盘读写速度有很大提升,之前测的IO只有不到100,现在有800多。
以前好像也是ssd硬盘(SSD Cached),现在换成了 PURE RAID-10 SSD,这两种差别这么大吗?
CPU model : Intel(R) Xeon(R) CPU E5-2690 v3 @ 2.60GHz
Number of cores : 1
CPU frequency : 2599.996 MHz
Total size of Disk : 17.5 GB (2.3 GB Used)
Total amount of Mem : 978 MB (149 MB Used)
Total amount of Swap : 1023 MB (0 MB Used)
System uptime : 0 days, 17 hour 53 min
Load average : 0.06, 0.02, 0.00
OS : Debian GNU/Linux 9
Arch : x86_64 (64 Bit)
Kernel : 5.10.0-6-cloud-amd64
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I/O speed(1st run) : 832 MB/s
I/O speed(2nd run) : 839 MB/s
I/O speed(3rd run) : 876 MB/s
Average I/O speed : 849.0 MB/s |