YUNVM VPS的提供试用一天。我选的是VM2048 2G内存 双核 80G 3M 上海电信。个人估计是KVM技术的。
[root@localhost ~]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 12.8157 s, 20.9 MB/s
[root@localhost ~]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 12.6073 s, 21.3 MB/s
上传下载都限制在3M左右
[root@localhost ~]# wget http://cachefly.cachefly.net/100mb.test
--2012-06-07 23:47:16-- http://cachefly.cachefly.net/100mb.test
Resolving cachefly.cachefly.net... 204.93.150.150
Connecting to cachefly.cachefly.net|204.93.150.150|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: ?.00mb.test?
100%[====================================================================================================================>] 104,857,600 361K/s in 4m 46s
2012-06-07 23:52:02 (359 KB/s) - ?.00mb.test?.saved [104857600/104857600]
BYTE UNIX Benchmarks (Version 4.1-wht.2)的跑分
INDEX VALUES
TEST BASELINE RESULT INDEX
Dhrystone 2 using register variables 376783.7 16810439.2 446.2
Double-Precision Whetstone 83.1 1881.7 226.4
Execl Throughput 188.3 5729.0 304.2
File Copy 1024 bufsize 2000 maxblocks 2672.0 245679.0 919.5
File Copy 256 bufsize 500 maxblocks 1077.0 77435.0 719.0
File Read 4096 bufsize 8000 maxblocks 15382.0 1914439.0 1244.6
Pipe-based Context Switching 15448.6 402481.2 260.5
Pipe Throughput 111814.6 2609051.3 233.3
Process Creation 569.3 14290.3 251.0
Shell Scripts (8 concurrent) 44.8 801.7 179.0
System Call Overhead 114433.5 3145555.2 274.9
=========
FINAL SCORE 372.2
cpu
model name : Intel(R) Xeon(R) CPU E5649 @ 2.53GHz