详情：Nathosts：50元/月/512MB内存/9GB SSD虚拟主机/1.5TB流量/100Mbps/KVM/香港HKT 不懂NAT的，建议购买独立IP的香港VPS：香港、台湾、澳门大带宽50Mbps及以上商家搜集
1、系统信息、带宽、I/O测试
CPU Model : QEMU Virtual CPU version (cpu64-rhel6) CPU Cores : 1 Cores @ 2194.710 MHz x86_64 CPU Cache : 4096 KB OS : CentOS 7.4.1708 (64 Bit) KVM Kernel : 4.9.75-29.el7.x86_64 Total Space : 8.6 GB (1.3 GB Used) Total RAM : 486 MB (51 MB Used 111 MB Buff) Total SWAP : 255 MB (0 MB Used) Uptime : 0 days 0 hour 19 min Load average : 0.00, 0.00, 0.00 ASN & ISP : AS4760, Netvigator Organization : Netvigator Location : Central, Hong Kong / HK Region : Central and Western District ---------------------------------------------------------------------- I/O Speed( 1.0GB ) : 299 MB/s I/O Speed( 1.0GB ) : 589 MB/s I/O Speed( 1.0GB ) : 583 MB/s Average I/O Speed : 490.3 MB/s ---------------------------------------------------------------------- Node Name Upload Speed Download Speed Latency Speedtest.net 112.07 Mbit/s 189.32 Mbit/s 11.218 ms Shanghai CT 86.08 Mbit/s 181.22 Mbit/s 42.498 ms Kunming CT 85.80 Mbit/s 179.37 Mbit/s 741.383 ms Chengdu CT 82.88 Mbit/s 184.57 Mbit/s 50.104 ms Xi'an CU 51.10 Mbit/s 126.03 Mbit/s 79.28 ms Shanghai CM 13.24 Mbit/s 8.67 Mbit/s 254.801 ms Xi'an CM 40.10 Mbit/s 41.63 Mbit/s 310.623 ms Chengdu CM 29.08 Mbit/s 44.36 Mbit/s 272.642 ms2、国内访问速度
3、硬盘 I/O 性能测试
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, 15.8891 s, 16.9 MB/s4、UnixBench跑分
Benchmark Run: Mon May 07 2018 21:57:45 - 22:26:03 1 CPU in system; running 1 parallel copy of tests Dhrystone 2 using register variables 24093682.0 lps (10.0 s, 7 samples) Double-Precision Whetstone 3083.3 MWIPS (9.9 s, 7 samples) Execl Throughput 2519.6 lps (29.9 s, 2 samples) File Copy 1024 bufsize 2000 maxblocks 250414.3 KBps (30.0 s, 2 samples) File Copy 256 bufsize 500 maxblocks 63736.5 KBps (30.0 s, 2 samples) File Copy 4096 bufsize 8000 maxblocks 822759.1 KBps (30.0 s, 2 samples) Pipe Throughput 333916.6 lps (10.0 s, 7 samples) Pipe-based Context Switching 97313.1 lps (10.0 s, 7 samples) Process Creation 5652.5 lps (30.0 s, 2 samples) Shell Scripts (1 concurrent) 3365.4 lpm (60.0 s, 2 samples) Shell Scripts (8 concurrent) 458.6 lpm (60.1 s, 2 samples) System Call Overhead 254400.1 lps (10.0 s, 7 samples) System Benchmarks Index Values BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 24093682.0 2064.6 Double-Precision Whetstone 55.0 3083.3 560.6 Execl Throughput 43.0 2519.6 586.0 File Copy 1024 bufsize 2000 maxblocks 3960.0 250414.3 632.4 File Copy 256 bufsize 500 maxblocks 1655.0 63736.5 385.1 File Copy 4096 bufsize 8000 maxblocks 5800.0 822759.1 1418.6 Pipe Throughput 12440.0 333916.6 268.4 Pipe-based Context Switching 4000.0 97313.1 243.3 Process Creation 126.0 5652.5 448.6 Shell Scripts (1 concurrent) 42.4 3365.4 793.7 Shell Scripts (8 concurrent) 6.0 458.6 764.3 System Call Overhead 15000.0 254400.1 169.6 ======== System Benchmarks Index Score 546.35、丢包测试
Ping from 192.168.16.243 to 112.120.xxx.xxx ============================================================================== 05/08 10:27:26.495 Ping to 112.120.xxx.xxx with 32 bytes of data and 32 of TTL: 05/08 10:27:26.557 PingMin #1 Reply 32 bytes from 112.120.xxx.xxx: time=50ms TTL=49, ave=50.00ms 05/08 10:27:27.541 PingMin #2 Reply 32 bytes from 112.120.xxx.xxx: time=49ms TTL=49, ave=49.50ms 05/08 10:27:30.548 PingMax #5 Reply 32 bytes from 112.120.xxx.xxx: time=53ms TTL=49, ave=50.20ms 05/08 10:27:46.540 PingMin #21 Reply 32 bytes from 112.120.xxx.xxx: time=48ms TTL=49, ave=50.14ms 05/08 10:27:52.544 PingMax #27 Reply 32 bytes from 112.120.xxx.xxx: time=55ms TTL=49, ave=50.15ms 05/08 10:28:45.558 PingMax #80 Reply 32 bytes from 112.120.xxx.xxx: time=59ms TTL=49, ave=49.90ms 05/08 10:29:02.569 PingMax #97 Reply 32 bytes from 112.120.xxx.xxx: time=71ms TTL=49, ave=50.07ms 05/08 10:29:05.540 === 100 有效发送, 100 接收, 0.00% 丢失, 50.06ms 平均值 === --- 结果 & 统计信息 ------------------------------------------------------ 开始时间: 2018/05/08 10:27:26 经过时间: 000:01:39 结束时间: 2018/05/08 10:29:05 ---------------- 100 总计发送 0 无效接收 (除了超时的其它错误) ---------------- 100 有效发送 100 有效接收 0 timed out (0.00% 丢失) Ping 最小值 48ms, 最大值 71ms, 平均值 50.06ms6、路由追踪 电信
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