[敏家评测]美团开放服务S主机测评报告

在这个世人皆云的时代，连著名的团购网美团也搞起了自己的云服务
本次测评的是美团开放服务的S型主机，配置1核CPU，1G内存，50G磁盘，2M带宽

与Stdyun相同，我们无法看到处理器的真实型号，只能大略知道是Intel 2.0Ghz，估计是E5-2620
[root@loveminds ~]# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 2
model name : QEMU Virtual CPU version 1.1.2
stepping : 3
cpu MHz : 1999.999
cache size : 4096 KB
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx lm up rep_good unfair_spinlock pni cx16 popcnt hypervisor lahf_lm
bogomips : 3999.99
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:

而内存也几乎一模一样得采用了1GRAM+1GSwap的方案
[root@loveminds ~]# free -m
total used free shared buffers cached
Mem: 996 86 910 0 8 26
-/+ buffers/cache: 50 946
Swap: 1019 0 1019

磁盘性能略微低于评测过的Stdyun但在国内已经是相当不错的了
[root@loveminds ~]# 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, 6.17135 s, 43.5 MB/s
[root@loveminds ~]# 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, 6.50483 s, 41.3 MB/s
[root@loveminds ~]# 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, 6.24287 s, 43.0 MB/s
[root@loveminds ~]# 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, 6.28017 s, 42.7 MB/s

重点来了,虽然标明是2M带宽,但实际的带宽峰值是不止2M的,但求别被限速和滥用
[root@loveminds ~]# wget http://dldir1.qq.com/qqfile/qq/QQ2013/2013Beta4/6722/QQ2013Beta4.exe
--2013-05-23 03:11:49-- http://dldir1.qq.com/qqfile/qq/QQ2013/2013Beta4/6722/QQ2013Beta4.exe
Resolving dldir1.qq.com... 182.118.37.20, 182.118.37.21, 182.118.37.22, ...
Connecting to dldir1.qq.com|182.118.37.20|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 58575000 (56M) [application/octet-stream]
Saving to: ?.Q2013Beta4.exe?

100%[======================>] 58,575,000 7.10M/s in 7.4s

2013-05-23 03:11:57 (7.53 MB/s) - ?.Q2013Beta4.exe?.saved [58575000/58575000]

[root@loveminds ~]# wget http://speedtest.tokyo.linode.com/100MB-tokyo.bin
--2013-05-23 03:20:37-- http://speedtest.tokyo.linode.com/100MB-tokyo.bin
Resolving speedtest.tokyo.linode.com... 106.187.96.148, 2400:8900::4b
Connecting to speedtest.tokyo.linode.com|106.187.96.148|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: ?.00MB-tokyo.bin?

100%[======================>] 104,857,600 29.6M/s in 4.3s

2013-05-23 03:20:42 (23.0 MB/s) - ?.00MB-tokyo.bin?.saved [104857600/104857600]

[root@loveminds ~]# wget http://173.255.143.244/speedtest.256mb
--2013-05-23 03:45:53-- http://173.255.143.244/speedtest.256mb
Connecting to 173.255.143.244:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 268435456 (256M) [text/plain]
Saving to: ?.peedtest.256mb.1?

100%[======================>] 268,435,456 5.31M/s in 86s

2013-05-23 03:47:20 (2.98 MB/s) - ?.peedtest.256mb.1?.saved [268435456/268435456]

UNIX Benchmarks结果
========================================================================
BYTE UNIX Benchmarks (Version 5.1.2)

System: loveminds.cloud.mos.meituan.local: GNU/Linux
OS: GNU/Linux -- 2.6.32-358.2.1.el6.x86_64 -- #1 SMP Wed Mar 13 00:26:49 UTC 2013
Machine: x86_64 (x86_64)
Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
CPU 0: QEMU Virtual CPU version 1.1.2 (4000.0 bogomips)
x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
04:16:48 up 5:23, 1 user, load average: 0.03, 0.04, 0.00; runlevel 3

------------------------------------------------------------------------
Benchmark Run: Thu May 23 2013 04:16:48 - 04:44:31
1 CPU in system; running 1 parallel copy of tests

Dhrystone 2 using register variables 26108549.6 lps (10.0 s, 7 samples)
Double-Precision Whetstone 1625.6 MWIPS (8.9 s, 7 samples)
Execl Throughput 4006.9 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 852349.5 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 231683.3 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1909193.5 KBps (30.0 s, 2 samples)
Pipe Throughput 1538362.1 lps (10.0 s, 7 samples)
Pipe-based Context Switching 279852.3 lps (10.0 s, 7 samples)
Process Creation 13766.6 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 4736.3 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 640.8 lpm (60.1 s, 2 samples)
System Call Overhead 1925424.6 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 26108549.6 2237.2
Double-Precision Whetstone 55.0 1625.6 295.6
Execl Throughput 43.0 4006.9 931.8
File Copy 1024 bufsize 2000 maxblocks 3960.0 852349.5 2152.4
File Copy 256 bufsize 500 maxblocks 1655.0 231683.3 1399.9
File Copy 4096 bufsize 8000 maxblocks 5800.0 1909193.5 3291.7
Pipe Throughput 12440.0 1538362.1 1236.6
Pipe-based Context Switching 4000.0 279852.3 699.6
Process Creation 126.0 13766.6 1092.6
Shell Scripts (1 concurrent) 42.4 4736.3 1117.1
Shell Scripts (8 concurrent) 6.0 640.8 1067.9
System Call Overhead 15000.0 1925424.6 1283.6
========
System Benchmarks Index Score 1199.2