Standard interconnection 1GB memory 30Mbps port Oregon Hyper

Details: Standard Internet: 18 yuan/month/512MB memory/60GB space/unlimited traffic/20Mbps/Hyper-V/Oregon The network is average, the performance is good, and the service is pretty good.

1. System information, bandwidth, I/O test

CPU model: Intel(R) Xeon(R) CPU L5640 @ 2.27GHz Number of cores: 2 CPU frequency: 2260.974 MHz Total size of Disk: 18.0 GB (1.1 GB Used) Total amount of Mem: 984 MB (130 MB Used) Total amount of Swap: 2047 MB ​​(0 MB Used) System uptime: 0 days 0 hours 6 minutes Load average: 0.18, 0.32, 0.20 OS: CentOS 7.4.1708 Arch: x86_64 (64 Bit) Kernel: 3.10.0-693.el7.x86_64 Virt: hyperv -------------------------------------------------- ------------------- I/O speed (32M): 440 MB/s I/O speed (256M): 335 MB/s I/O speed (2G): 329 MB/s Average I/O speed: 368.0 MB/s -------------------------------------------------- ------------------- Node Name Upload Speed ​​Download Speed ​​Latency Normal Node 30.18 Mbit/s 166.60 Mbit/s 35.479 ms Chengdu CT 3.59 Mbit/s 2.09 Mbit/s 000.000 ms Xi'an CU 26.50 Mbit/s 83.95 Mbit/s 311.589 ms Shanghai CU 0.77 Mbit/s 0.36 Mbit/s 349.248 ms Chongqing CU 24.25 Mbit/s 72.76 Mbit/s 201.379 ms Xi'an CM 27.85 Mbit/s 215.21 Mbit/s 238.275 ms Shanghai CM 4.18 Mbit/s 27.37 Mbit/s 247.719 ms Chengdu CM 3.70 Mbit/s 4.68 Mbit/s 273.663 ms -------------------------------------------------- ------------------- Total time: 4 minutes 28 seconds Current time: 2018-03-30 20:29:36 Finished!

2. Upload/download bandwidth test

Retrieving speedtest.net server list... Selecting best server based on ping... Hosted by Speedtest.net (San Jose, CA) [9.17 km]: 41.264 ms Testing download speed................................................ ............................. Download: 396.29 Mbit/s Testing upload speed................................................ ................................................................. Upload: 30.10 Mbit/s

3. Mainland China access speed

4. Hard disk I/O performance test

dd if=/dev/zero of=test bs=64k count=4k oflag=dsync Recorded the read of 4096+0 Recorded 4096+0 writes 268435456 bytes (268 MB) copied, 18.2103 seconds, 14.7 MB/second

5. UnixBench scores

Benchmark Run: Friday March 30, 2018 20:33:35 - 21:01:57 2 CPUs in system; running 1 parallel copy of tests Dhrystone 2 using register variables 17320631.9 lps (10.0 s, 7 samples) Double-Precision Whetstone 2728.7 MWIPS (10.1 s, 7 samples) Execl Throughput 2020.5 lps (29.8 s, 2 samples) File Copy 1024 bufsize 2000 maxblocks 449211.3 KBps (30.0 s, 2 samples) File Copy 256 bufsize 500 maxblocks 183877.0 KBps (30.0 s, 2 samples) File Copy 4096 bufsize 8000 maxblocks 1325386.3 KBps (30.0 s, 2 samples) Pipe Throughput 1127127.4 lps (10.0 s, 7 samples) Pipe-based Context Switching 214040.2 lps (10.0 s, 7 samples) Process Creation 6520.6 lps (30.0 s, 2 samples) Shell Scripts (1 concurrent) 4376.2 lpm (60.0 s, 2 samples) Shell Scripts (8 concurrent) 793.8 lpm (60.1 s, 2 samples) System Call Overhead 1645328.5 lps (10.0 s, 7 samples) System Benchmarks Index Values ​​BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 17320631.9 1484.2 Double-Precision Whetstone 55.0 2728.7 496.1 Execl Throughput 43.0 2020.5 469.9 File Copy 1024 bufsize 2000 maxblocks 3960.0 449211.3 1134.4 File Copy 256 bufsize 500 maxblocks 1655.0 183877.0 1111.0 File Copy 4096 bufsize 8000 maxblocks 5800.0 1325386.3 2285.1 Pipe Throughput 12440.0 1127127.4 906.1 Pipe-based Context Switching 4000.0 214040.2 535.1 Process Creation 126.0 6520.6 517.5 Shell Scripts (1 concurrent) 42.4 4376.2 1032.1 Shell Scripts (8 concurrent) 6.0 793.8 1323.0 System Call Overhead 15000.0 1645328.5 1096.9 ======== System Benchmarks Index Score 921.4 -------------------------------------------------- ----------------------- Benchmark Run: Friday March 30, 2018 21:01:57 - 21:30:18 2 CPUs in system; running 2 parallel copies of tests Dhrystone 2 using register variables 35059124.7 lps (10.0 s, 7 samples) Double-Precision Whetstone 5944.8 MWIPS (10.2 s, 7 samples) Execl Throughput 4712.5 lps (29.6 s, 2 samples) File Copy 1024 bufsize 2000 maxblocks 817496.0 KBps (30.0 s, 2 samples) File Copy 256 bufsize 500 maxblocks 253363.0 KBps (30.0 s, 2 samples) File Copy 4096 bufsize 8000 maxblocks 2000327.2 KBps (30.0 s, 2 samples) Pipe Throughput 1835736.0 lps (10.0 s, 7 samples) Pipe-based Context Switching 384389.3 lps (10.0 s, 7 samples) Process Creation 14902.2 lps (30.0 s, 2 samples) Shell Scripts (1 concurrent) 7715.6 lpm (60.0 s, 2 samples) Shell Scripts (8 concurrent) 947.6 lpm (60.1 s, 2 samples) System Call Overhead 2781937.3 lps (10.0 s, 7 samples) System Benchmarks Index Values ​​BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 35059124.7 3004.2 Double-Precision Whetstone 55.0 5944.8 1080.9 ExeclThroughput 43.0 4712.5 1095.9 File Copy 1024 bufsize 2000 maxblocks 3960.0 817496.0 2064.4 File Copy 256 bufsize 500 maxblocks 1655.0 253363.0 1530.9 File Copy 4096 bufsize 8000 maxblocks 5800.0 2000327.2 3448.8 Pipe Throughput 12440.0 1835736.0 1475.7 Pipe-based Context Switching 4000.0 384389.3 961.0 Process Creation 126.0 14902.2 1182.7 Shell Scripts (1 concurrent) 42.4 7715.6 1819.7 Shell Scripts (8 concurrent) 6.0 947.6 1579.3 System Call Overhead 15000.0 2781937.3 1854.6 ======== System Benchmarks Index Score 1628.0

6. Packet loss test

Ping from 192.168.43.94 to 181.215.xxx.xxx ================================================== ============================ 03/30 20:30:12.837 Ping to 181.215.xxx.xxx with 32 bytes of data and 32 of TTL: 03/30 20:30:13.168 PingMin #1 Reply 32 bytes from 181.215.xxx.xxx: time=328ms TTL=45, ave=328.00ms 03/30 20:30:14.080 PingMin #2 Reply 32 bytes from 181.215.xxx.xxx: time=245ms TTL=45, ave=286.50ms 03/30 20:30:32.080 === 20 valid sent, 20 received, 0.00% lost, 279.55ms average === --- Results & Statistics------------------------------------------------- ---------- Start time: 2018/03/30 20:30:12 Elapsed time: 000:00:19 End time: 2018/03/30 20:30:32 ---------------- 20 total sent 0 Invalid reception (other errors except timeout) ---------------- 20 valid sent 20 valid reception 0 timed out (0.00% lost) Ping minimum value 245ms, maximum value 328ms, average value 279.55ms

7. Route tracing telecommunications

China Unicom

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