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Created by Adrien Béraud@aberaudOwner

replace restbed by restinio

Parts

Tasks

  • Find an alternative
  • Test async over a threadpool
  • Basic methods & threading
  • Compile OpenDHT in c++14
  • Add RESTinio to OpenDHT
  • Fix flush happening after async scope
  • Server: Get,Put,Info,Stats,Options,PutEncrypted,PutSigned,Subscribe,Filter,Listen,Push
  • Server: Cancel disconnected listeners by detecting a closed connection, Replace Thread
  • Server: Replace Scheduler task by Asio Timer making the entire server on one io_context that is run on one thread.
  • Make an async RESTinio client with callbacks & integrate http_parser
  • Rewrite client side with an in-house std::async client library
  • Adapt and test the behavior of proxy client to new async design
  • Verify that keep alive is working
  • Patch for ISSUE-552: Configure the server to send keep alive every X min when X < 15 min)
  • Make the RESTful API backward compatible to non-standard HTTP methods
  • Redirect server logging
  • IPV6 support: client & server
  • Make dhtproxytests pass
  • Add docker setup for restinio & http_parser fork for Travis-CI
  • Benchmark the proxy server
  • Replace Jami-daemon nameserver RESTbed by new OpenDHT Async Client
  • Add OpenSSL to OpenDHT CMake & Autotools
  • Implement OpenSSL in http lib (bridge GNUTLS Identity/Cert to OpenSSL in Asio)
  • Implement HTTPS in DHTProxy (upstream is HTTP)
  • Use HTTP or HTTPS depending on generated dht:crypto:Identity (-i)
  • Write Docker files for OpenDHT with Travis CI
  • Integrate to the daemon autotools build system along with contribs (fmt, http_parser, restinio, ssl)
  • Cross-compile on Jenkins: Linux, Arm, OSx, Windows

Benchmark

10'000 requests with concurrency of 20 requests

Compiled with:

cmake -DOPENDHT_TESTS=ON -DOPENDHT_PROXY_SERVER=ON -DOPENDHT_PROXY_CLIENT=ON -DCMAKE_INSTALL_PREFIX=/usr -DOPENDHT_PROXY_SERVER_IDENTITY=ON -DOPENDHT_DOCUMENTATION=Off -DOPENDHT_PUSH_NOTIFICATIONS=ON -DCMAKE_BUILD_TYPE=Release ../

Summary

  • max_pipelined_requests: 16
  • concurrent_accepts_count: 15
REST framework Requests per second
RESTbed (multi-threded) 12'677
RESTinio (one io_context thread) 18'834
RESTinio (io_context on thread pool) 12'719
  • max_pipelined_requests: 7
  • concurrent_accepts_count: 6
REST framework Requests per second
RESTbed (multi-threded) 12'677
RESTinio (one io_context thread) 17'472
RESTinio (io_context on thread pool) 11'800

Restbed: multi-threaded

Server Software:        
Server Hostname:        127.0.0.1
Server Port:            8080

Document Path:          /
Document Length:        180 bytes

Concurrency Level:      20
Time taken for tests:   0.789 seconds
Complete requests:      10000
Failed requests:        0
Total transferred:      2870000 bytes
HTML transferred:       1800000 bytes
Requests per second:    12677.48 [#/sec] (mean)
Time per request:       1.578 [ms] (mean)
Time per request:       0.079 [ms] (mean, across all concurrent requests)
Transfer rate:          3553.16 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   0.2      1       3
Processing:     0    1   0.4      1      13
Waiting:        0    1   0.3      1      10
Total:          1    2   0.5      1      13
WARNING: The median and mean for the total time are not within a normal deviation
        These results are probably not that reliable.

Percentage of the requests served within a certain time (ms)
  50%      1
  66%      1
  75%      2
  80%      2
  90%      2
  95%      2
  98%      3
  99%      4
 100%     13 (longest request)

Restinio

  • max_pipelined_requests: 16
  • concurrent_accepts_count: 15

one thread for one io_context

Server Software:        RESTinio
Server Hostname:        127.0.0.1
Server Port:            8080

Document Path:          /
Document Length:        172 bytes

Concurrency Level:      20
Time taken for tests:   0.531 seconds
Complete requests:      10000
Failed requests:        0
Total transferred:      3130000 bytes
HTML transferred:       1720000 bytes
Requests per second:    18833.85 [#/sec] (mean)
Time per request:       1.062 [ms] (mean)
Time per request:       0.053 [ms] (mean, across all concurrent requests)
Transfer rate:          5756.83 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.2      0       3
Processing:     0    1   0.3      1       7
Waiting:        0    1   0.3      1       6
Total:          1    1   0.4      1       8

Percentage of the requests served within a certain time (ms)
  50%      1
  66%      1
  75%      1
  80%      1
  90%      1
  95%      2
  98%      2
  99%      2
 100%      8 (longest request)

io_context on thread pool

Server Software:        RESTinio
Server Hostname:        127.0.0.1
Server Port:            8080

Document Path:          /
Document Length:        172 bytes

Concurrency Level:      20
Time taken for tests:   0.786 seconds
Complete requests:      10000
Failed requests:        0
Total transferred:      3130000 bytes
HTML transferred:       1720000 bytes
Requests per second:    12718.92 [#/sec] (mean)
Time per request:       1.572 [ms] (mean)
Time per request:       0.079 [ms] (mean, across all concurrent requests)
Transfer rate:          3887.72 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   0.2      1       3
Processing:     0    1   0.7      1      14
Waiting:        0    1   0.6      1      14
Total:          1    2   0.8      1      15
WARNING: The median and mean for the total time are not within a normal deviation
        These results are probably not that reliable.

Percentage of the requests served within a certain time (ms)
  50%      1
  66%      1
  75%      1
  80%      2
  90%      2
  95%      3
  98%      4
  99%      5
 100%     15 (longest request)
  • max_pipelined_requests: 7
  • concurrent_accepts_count: 6

one thread for one io_context

Server Software:        RESTinio
Server Hostname:        127.0.0.1
Server Port:            8080

Document Path:          /
Document Length:        172 bytes

Concurrency Level:      20
Time taken for tests:   0.572 seconds
Complete requests:      10000
Failed requests:        0
Total transferred:      3130000 bytes
HTML transferred:       1720000 bytes
Requests per second:    17472.10 [#/sec] (mean)
Time per request:       1.145 [ms] (mean)
Time per request:       0.057 [ms] (mean, across all concurrent requests)
Transfer rate:          5340.59 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.2      0       7
Processing:     0    1   0.4      1       8
Waiting:        0    1   0.3      1       7
Total:          1    1   0.5      1       9

Percentage of the requests served within a certain time (ms)
  50%      1
  66%      1
  75%      1
  80%      1
  90%      1
  95%      2
  98%      2
  99%      2
 100%      9 (longest request)

io_context on thread pool

Server Software:        RESTinio
Server Hostname:        127.0.0.1
Server Port:            8080

Document Path:          /
Document Length:        172 bytes

Concurrency Level:      20
Time taken for tests:   0.847 seconds
Complete requests:      10000
Failed requests:        0
Total transferred:      3130000 bytes
HTML transferred:       1720000 bytes
Requests per second:    11800.02 [#/sec] (mean)
Time per request:       1.695 [ms] (mean)
Time per request:       0.085 [ms] (mean, across all concurrent requests)
Transfer rate:          3606.84 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   0.4      1       6
Processing:     0    1   1.0      1      17
Waiting:        0    1   0.8      1      16
Total:          1    2   1.1      1      19

Percentage of the requests served within a certain time (ms)
  50%      1
  66%      1
  75%      2
  80%      2
  90%      3
  95%      4
  98%      6
  99%      7
 100%     19 (longest request)
Edited by Vsevolod Ivanov