drServer Atom C2750 16GB Memory Dallas Dedicated Server Review

Details: drServer: $16/month/Atom C2750/16GB memory/2TB SSHD hard drive/unlimited traffic/Dallas The target is 100M unlimited traffic, but in fact the uplink speed is nearly 300M and the downlink speed is nearly 500M, which is very good. Brand new hard drive, only used 33 hours.

1. System information, bandwidth, I/O test

CPU model: Intel(R) Atom(TM) CPU C2750 @ 2.40GHz Number of cores: 8 CPU frequency: 1200.000 MHz Total size of Disk: 1945.8 GB (1.3 GB Used) Total amount of Mem: 15873 MB (210 MB Used) Total amount of Swap: 2047 MB ​​(0 MB Used) System uptime: 0 days 4 hours 24 minutes Load average: 0.08, 0.03, 0.05 OS: CentOS 7.4.1708 Arch: x86_64 (64 Bit) Kernel: 3.10.0-693.21.1.el7.x86_64 Virt: No Virt Power time of disk : Hours -------------------------------------------------- ------------------- I/O speed (32M): 71.0 MB/s I/O speed (256M): 77.1 MB/s I/O speed (2G): 90.2 MB/s Average I/O speed: 79.4 MB/s -------------------------------------------------- ------------------- Node Name Upload Speed ​​Download Speed ​​Latency Normal Node 149.07 Mbit/s 325.47 Mbit/s 34.693 ms Xiangyang CT 54.17 Mbit/s 97.15 Mbit/s 600.406 ms Shanghai CT 50.10 Mbit/s 21.01 Mbit/s 542.572 ms Chengdu CT 28.05 Mbit/s 100.92 Mbit/s 275.034 ms Xi'an CU 27.65 Mbit/s 11.90 Mbit/s 313.184 ms Shanghai CU 4.03 Mbit/s 0.32 Mbit/s 000.000 ms Chongqing CU 17.83 Mbit/s 3.47 Mbit/s 769.348 ms Xi'an CM 97.08 Mbit/s 59.68 Mbit/s 289.069 ms Shanghai CM 39.86 Mbit/s 10.18 Mbit/s 359.895 ms Chengdu CM 69.40 Mbit/s 54.96 Mbit/s 246.027 ms -------------------------------------------------- ------------------- Total time: 5 minutes 10 seconds Current time: 2018-05-05 00:34:40 Finished!

2. Upload/download bandwidth test

Retrieving speedtest.net server list... Selecting best server based on ping... Hosted by CenturyLink, Inc (Cheyenne, WY) [9.89 km]: 30.029 ms Testing download speed........................................ Download: 473.64 Mbit/s Testing upload speed................................................ Upload: 272.49 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, 23.0871 s, 11.6 MB/s

5. UnixBench scores

Benchmark Run: Fri May 04 2018 21:10:59 - 21:38:57 8 CPUs in system; running 1 parallel copy of tests Dhrystone 2 using register variables 13008880.3 lps (10.0 s, 7 samples) Double-Precision Whetstone 2176.3 MWIPS (10.1 s, 7 samples) Execl Throughput 1383.7 lps (30.0 s, 2 samples) File Copy 1024 bufsize 2000 maxblocks 243771.1 KBps (30.0 s, 2 samples) File Copy 256 bufsize 500 maxblocks 65313.0 KBps (30.0 s, 2 samples) File Copy 4096 bufsize 8000 maxblocks 701870.8 KBps (30.0 s, 2 samples) Pipe Throughput 378339.6 lps (10.0 s, 7 samples) Pipe-based Context Switching 42603.6 lps (10.0 s, 7 samples) Process Creation 2111.1 lps (30.0 s, 2 samples) Shell Scripts (1 concurrent) 1503.9 lpm (60.0 s, 2 samples) Shell Scripts (8 concurrent) 651.0 lpm (60.0 s, 2 samples) System Call Overhead 395001.1 lps (10.0 s, 7 samples) System Benchmarks Index Values ​​BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 13008880.3 1114.7 Double-Precision Whetstone 55.0 2176.3 395.7 ExeclThroughput 43.0 1383.7 321.8 File Copy 1024 bufsize 2000 maxblocks 3960.0 243771.1 615.6 File Copy 256 bufsize 500 maxblocks 1655.0 65313.0 394.6 File Copy 4096 bufsize 8000 maxblocks 5800.0 701870.8 1210.1 Pipe Throughput 12440.0 378339.6 304.1 Pipe-based Context Switching 4000.0 42603.6 106.5 Process Creation 126.0 2111.1 167.5 Shell Scripts (1 concurrent) 42.4 1503.9 354.7 Shell Scripts (8 concurrent) 6.0 651.0 1084.9 System Call Overhead 15000.0 395001.1 263.3 ======== System Benchmarks Index Score 410.6 -------------------------------------------------- ----------------------- Benchmark Run: Fri May 04 2018 21:38:57 - 22:06:57 8 CPUs in system; running 8 parallel copies of tests Dhrystone 2 using register variables 104029635.3 lps (10.0 s, 7 samples) Double-Precision Whetstone 17414.7 MWIPS (10.1 s, 7 samples) Execl Throughput 10010.9 lps (30.0 s, 2 samples) File Copy 1024 bufsize 2000 maxblocks 540712.7 KBps (30.0 s, 2 samples) File Copy 256 bufsize 500 maxblocks 157123.3 KBps (30.0 s, 2 samples) File Copy 4096 bufsize 8000 maxblocks 1433092.9 KBps (30.0 s, 2 samples) Pipe Throughput 3008464.9 lps (10.0 s, 7 samples) Pipe-based Context Switching 675651.1 lps (10.0 s, 7 samples) Process Creation 30291.0 lps (30.0 s, 2 samples) Shell Scripts (1 concurrent) 8624.8 lpm (60.0 s, 2 samples) Shell Scripts (8 concurrent) 1970.3 lpm (60.1 s, 2 samples) System Call Overhead 2813454.4 lps (10.0 s, 7 samples) System Benchmarks Index Values ​​BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 104029635.3 8914.3 Double-Precision Whetstone 55.0 17414.7 3166.3 ExeclThroughput 43.0 10010.9 2328.1 File Copy 1024 bufsize 2000 maxblocks 3960.0 540712.7 1365.4 File Copy 256 bufsize 500 maxblocks 1655.0 157123.3 949.4 File Copy 4096 bufsize 8000 maxblocks 5800.0 1433092.9 2470.8 Pipe Throughput 12440.0 3008464.9 2418.4 Pipe-based Context Switching 4000.0 675651.1 1689.1 Process Creation 126.0 30291.0 2404.1 Shell Scripts (1 concurrent) 42.4 8624.8 2034.2 Shell Scripts (8 concurrent) 6.0 1970.3 3283.9 System Call Overhead 15000.0 2813454.4 1875.6 ======== System Benchmarks Index Score 2332.2

6. Packet loss test

Ping from 10.0.0.16 to 144.172.xxx.xxx ================================================== ============================ 05/05 12:34:23.173 Ping to 144.172.xxx.xxx with 32 bytes of data and 32 of TTL: 05/05 12:34:23.423 PingMin #1 Reply 32 bytes from 144.172.xxx.xxx: time=254ms TTL=49, ave=254.00ms 05/05 12:34:24.415 PingMin #2 Reply 32 bytes from 144.172.xxx.xxx: time=248ms TTL=49, ave=251.00ms 05/05 12:34:25.407 PingMin #3 Reply 32 bytes from 144.172.xxx.xxx: time=245ms TTL=49, ave=249.00ms 05/05 12:34:26.674 PingMax #4 Reply 32 bytes from 144.172.xxx.xxx: time=514ms TTL=49, ave=315.25ms 05/05 12:34:31.413 PingMin #9 Reply 32 bytes from 144.172.xxx.xxx: time=240ms TTL=49, ave=315.56ms 05/05 12:34:33.414 PingMin #11 Reply 32 bytes from 144.172.xxx.xxx: time=232ms TTL=49, ave=301.18ms 05/05 12:36:02.430 === 100 valid sent, 100 received, 0.00% lost, 263.79ms average === --- Results & Statistics------------------------------------------------- ---------- Start time: 2018/05/05 12:34:23 Elapsed time: 000:01:39 End time: 2018/05/05 12:36:02 ---------------- 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 232ms, maximum value 514ms, average value 263.79ms

7. Route tracing telecommunications

China Unicom

8. Youtube speed test

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