Yiyun 1.8GB Memory 3Mbps Hong Kong Xen VPS Review

The configuration is: CPU: 2 CPUs, memory: 1792 M, hard disk: 50 G, port: 3 M, traffic: unlimited, Xen, supports win. This uplink is 3Mbps, and the downlink is 100Mbps. It expires on June 6, 2019. The renewal fee is 360 yuan and the payment is 260 yuan. Please contact me if you need it.

1. System information, bandwidth, I/O test

CPU model: Intel(R) Xeon(R) CPU L5630 @ 2.13GHz Number of cores: 2 CPU frequency: 2133.458 MHz Total size of Disk: 49.0 GB (1.2 GB Used) Total amount of Mem: 1742 MB (81 MB Used) Total amount of Swap: 1023 MB (0 MB Used) System uptime: 1 days 16 hours 58 minutes Load average: 0.00, 0.01, 0.05 OS: CentOS 7.1.1503 Arch: x86_64 (64 Bit) Kernel: 3.10.0-229.7.2.el7.x86_64 Virt: xen xen-domU -------------------------------------------------- ------------------- I/O speed (32M): 44.4 MB/s I/O speed (256M): 55.0 MB/s I/O speed (2G): 53.7 MB/s Average I/O speed: 51.0 MB/s -------------------------------------------------- ------------------- Node Name Upload Speed ​​Download Speed ​​Latency Normal Node 2.74 Mbit/s 88.94 Mbit/s 9.438 ms Xiangyang CT 2.74 Mbit/s 21.07 Mbit/s 61.705 ms Chengdu CT 2.69 Mbit/s 20.89 Mbit/s 44.813 ms Xi'an CU 2.69 Mbit/s 20.61 Mbit/s 75.071 ms Shanghai CU 2.68 Mbit/s 21.17 Mbit/s 34.71 ms Chongqing CU 2.65 Mbit/s 21.54 Mbit/s 42.231 ms Xi'an CM 2.68 Mbit/s 59.79 Mbit/s 37.613 ms Shanghai CM 2.73 Mbit/s 21.36 Mbit/s 81.266 ms Chengdu CM 2.65 Mbit/s 14.55 Mbit/s 67.09 ms -------------------------------------------------- ------------------- Total time: 4 minutes 58 seconds Current time: 2018-04-16 14:02:54 Finished!

2. Upload/download bandwidth test

Retrieving speedtest.net server list... Selecting best server based on ping... Hosted by STC (Hong Kong) [0.00 km]: 9.267 ms Testing download speed................................................ ............................. Download: 90.91 Mbit/s Testing upload speed................................................ ................................................................. Upload: 2.76 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 4096+0 records in 4096+0 records out 268435456 bytes (268 MB) copied, 165.77 s, 1.6 MB/s

5. UnixBench scores

Benchmark Run: Mon Apr 16 2018 14:18:28 - 14:46:53 2 CPUs in system; running 1 parallel copy of tests Dhrystone 2 using register variables 20046080.9 lps (10.0 s, 7 samples) Double-Precision Whetstone 2672.0 MWIPS (9.9 s, 7 samples) Execl Throughput 817.5 lps (29.9 s, 2 samples) File Copy 1024 bufsize 2000 maxblocks 188006.7 KBps (30.0 s, 2 samples) File Copy 256 bufsize 500 maxblocks 49399.9 KBps (30.0 s, 2 samples) File Copy 4096 bufsize 8000 maxblocks 576511.7 KBps (30.0 s, 2 samples) Pipe Throughput 248050.1 lps (10.0 s, 7 samples) Pipe-based Context Switching 25725.8 lps (10.0 s, 7 samples) Process Creation 1719.3 lps (30.0 s, 2 samples) Shell Scripts (1 concurrent) 1193.4 lpm (60.0 s, 2 samples) Shell Scripts (8 concurrent) 368.3 lpm (60.1 s, 2 samples) System Call Overhead 335571.4 lps (10.0 s, 7 samples) System Benchmarks Index Values ​​BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 20046080.9 1717.7 Double-Precision Whetstone 55.0 2672.0 485.8 ExeclThroughput 43.0 817.5 190.1 File Copy 1024 bufsize 2000 maxblocks 3960.0 188006.7 474.8 File Copy 256 bufsize 500 maxblocks 1655.0 49399.9 298.5 File Copy 4096 bufsize 8000 maxblocks 5800.0 576511.7 994.0 Pipe Throughput 12440.0 248050.1 199.4 Pipe-based Context Switching 4000.0 25725.8 64.3 Process Creation 126.0 1719.3 136.5 Shell Scripts (1 concurrent) 42.4 1193.4 281.5 Shell Scripts (8 concurrent) 6.0 368.3 613.9 System Call Overhead 15000.0 335571.4 223.7 ======== System Benchmarks Index Score 327.3 -------------------------------------------------- ----------------------- Benchmark Run: Mon Apr 16 2018 14:46:53 - 15:15:15 2 CPUs in system; running 2 parallel copies of tests Dhrystone 2 using register variables 38448401.0 lps (10.0 s, 7 samples) Double-Precision Whetstone 5235.5 MWIPS (10.0 s, 7 samples) Execl Throughput 1450.3 lps (29.9 s, 2 samples) File Copy 1024 bufsize 2000 maxblocks 308421.2 KBps (30.0 s, 2 samples) File Copy 256 bufsize 500 maxblocks 83686.5 KBps (30.0 s, 2 samples) File Copy 4096 bufsize 8000 maxblocks 1007136.9 KBps (30.0 s, 2 samples) Pipe Throughput 475747.1 lps (10.0 s, 7 samples) Pipe-based Context Switching 85905.7 lps (10.0 s, 7 samples) Process Creation 3157.9 lps (30.0 s, 2 samples) Shell Scripts (1 concurrent) 1570.3 lpm (60.1 s, 2 samples) Shell Scripts (8 concurrent) 399.9 lpm (60.1 s, 2 samples) System Call Overhead 606126.9 lps (10.0 s, 7 samples) System Benchmarks Index Values ​​BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 38448401.0 3294.6 Double-Precision Whetstone 55.0 5235.5 951.9 ExeclThroughput 43.0 1450.3 337.3 File Copy 1024 bufsize 2000 maxblocks 3960.0 308421.2 778.8 File Copy 256 bufsize 500 maxblocks 1655.0 83686.5 505.7 File Copy 4096 bufsize 8000 maxblocks 5800.0 1007136.9 1736.4 Pipe Throughput 12440.0 475747.1 382.4 Pipe-based Context Switching 4000.0 85905.7 214.8 Process Creation 126.0 3157.9 250.6 Shell Scripts (1 concurrent) 42.4 1570.3 370.3 Shell Scripts (8 concurrent) 6.0 399.9 666.5 System Call Overhead 15000.0 606126.9 404.1 ======== System Benchmarks Index Score 581.2

6. Packet loss test

Ping from 192.168.0.29 to 103.233.xxx.xxx ================================================== ============================ 04/16 14:06:47.498 Ping to 103.233.xxx.xxx with 32 bytes of data and 32 of TTL: 04/16 14:06:47.566 PingMin #1 Reply 32 bytes from 103.233.xxx.xxx: time=66ms TTL=51, ave=66.00ms 04/16 14:06:48.572 PingMax #2 Reply 32 bytes from 103.233.xxx.xxx: time=76ms TTL=51, ave=71.00ms 04/16 14:06:49.639 PingMax #3 Reply 32 bytes from 103.233.xxx.xxx: time=148ms TTL=51, ave=96.67ms 04/16 14:06:50.559 PingMin #4 Reply 32 bytes from 103.233.xxx.xxx: time=65ms TTL=51, ave=88.75ms 04/16 14:06:52.653 PingMax #6 Reply 32 bytes from 103.233.xxx.xxx: time=159ms TTL=51, ave=96.67ms 04/16 14:06:56.551 PingMin #10 Reply 32 bytes from 103.233.xxx.xxx: time=58ms TTL=51, ave=85.40ms 04/16 14:07:00.554 PingMin #14 Reply 32 bytes from 103.233.xxx.xxx: time=57ms TTL=51, ave=77.86ms 04/16 14:07:50.661 PingMax #64 Reply 32 bytes from 103.233.xxx.xxx: time=169ms TTL=51, ave=73.30ms 04/16 14:08:00.664 PingMax #74 Reply 32 bytes from 103.233.xxx.xxx: time=174ms TTL=51, ave=73.20ms 04/16 14:08:26.555 === 100 valid sent, 100 received, 0.00% loss, 72.50ms average === --- Results & Statistics------------------------------------------------- ---------- Start time: 2018/04/16 14:06:47 Elapsed time: 000:01:39 End time: 2018/04/16 14:08:26 ---------------- 100 total sent 0 Invalid reception (other errors except timeout) ---------------- 100 valid sent 100 valid reception 0 timed out (0.00% lost) Ping minimum value 57ms, maximum value 174ms, average value 72.50ms

7. Route tracing telecommunications

China Unicom

8. Youtube speed test

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