[documentation] Add benchmark comparisons with NGinx and darkhttpd
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Ciprian Dorin Craciun
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@ -70,6 +70,7 @@ Results
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* **under extreme conditions (2048 concurrent connections), you get arround 74k requests / second, at about 500ms latency for 99% of the requests (meanwhile the average is 50ms);**
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* (the timeout errors are due to the fact that ``wrk`` is configured to timeout after only 1 second of waiting;)
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* (the read errors are due to the fact that the server closes a keep-alive connection after serving 256k requests;)
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* **the raw performance is comparable with NGinx** (only 20% few requests / second for this "synthetic" benchmark); however for a "real" scenario (i.e. thousand of small files accessed in a random pattern) I think they are on-par; (not to mention how simple it is to configure and deploy ``kawipiko`` as compared to NGinx;)
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.. note ::
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@ -147,6 +148,64 @@ The following benchmarks were executed as follows:
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* see the `benchmarking section <#benchmarking>`_ for details;
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Comparisons
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-----------
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* NGinx 512 connections / 2 server workers / 4 wrk thread: ::
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Requests/sec: 97910.36
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Transfer/sec: 24.56MB
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Running 30s test @ http://127.0.0.1:8080/index.txt
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4 threads and 512 connections
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Thread Stats Avg Stdev Max +/- Stdev
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Latency 5.11ms 1.30ms 17.59ms 85.08%
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Req/Sec 24.65k 1.35k 42.68k 78.83%
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Latency Distribution
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50% 5.02ms
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75% 5.32ms
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90% 6.08ms
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99% 9.62ms
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2944219 requests in 30.07s, 738.46MB read
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* NGinx 2048 connections / 2 server workers / 4 wrk thread: ::
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Requests/sec: 93240.70
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Transfer/sec: 23.39MB
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Running 30s test @ http://127.0.0.1:8080/index.txt
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4 threads and 2048 connections
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Thread Stats Avg Stdev Max +/- Stdev
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Latency 36.33ms 56.44ms 859.65ms 90.18%
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Req/Sec 23.61k 6.24k 51.88k 74.33%
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Latency Distribution
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50% 19.25ms
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75% 25.46ms
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90% 89.69ms
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99% 251.04ms
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2805639 requests in 30.09s, 703.70MB read
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Socket errors: connect 0, read 25, write 0, timeout 66
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* (the NGinx configuration file can be found in the `examples folder <./examples>`_; the configuration was obtained after many experiments to squeeze out of NGinx as much performance as possible, given the targeted use-case, namely many small static files;)
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* `darkhttpd`_ 512 connections / 1 server process / 4 wrk threads: ::
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Requests/sec: 38191.65
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Transfer/sec: 8.74MB
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Running 30s test @ http://127.0.0.1:8080/index.txt
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4 threads and 512 connections
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Thread Stats Avg Stdev Max +/- Stdev
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Latency 17.51ms 17.30ms 223.22ms 78.55%
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Req/Sec 9.62k 1.94k 17.01k 72.98%
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Latency Distribution
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50% 7.51ms
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75% 32.51ms
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90% 45.69ms
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99% 53.00ms
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1148067 requests in 30.06s, 262.85MB read
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Documentation
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@ -601,3 +660,5 @@ References
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.. [wrk] `wrk -- modern HTTP benchmarking tool <https://goo.gl/BjpjND>`_
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.. [darkhttpd] `darkhttpd -- simple static HTTP server <https://unix4lyfe.org/darkhttpd/>`_ (single threaded, with event loop and ``sendfile`` support)
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86
examples/nginx.conf
Normal file
86
examples/nginx.conf
Normal file
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@ -0,0 +1,86 @@
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http {
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root @{nginx}/store;
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index index.html index.txt;
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autoindex off;
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include /dev/null;
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default_type application/octet-stream;
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gzip off;
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gzip_buffers 128 16k;
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gzip_comp_level 9;
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gzip_min_length 0;
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gzip_proxied any;
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gzip_types *;
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server {
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listen 127.0.0.1:8080 default_server bind reuseport backlog=4096;
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server_name nginx;
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server_name_in_redirect off;
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port_in_redirect off;
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keepalive_requests 262144;
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keepalive_timeout 60s;
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tcp_nodelay off;
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tcp_nopush off;
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sendfile off;
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directio off;
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aio off;
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open_file_cache max=2048 inactive=60s;
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open_file_cache_valid 60s;
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open_file_cache_min_uses 1;
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open_file_cache_errors on;
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output_buffers 4 128k;
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postpone_output 16k;
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read_ahead 1;
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location / {
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limit_except GET HEAD {
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deny all;
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}
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}
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}
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error_log /dev/stderr notice;
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access_log off;
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log_not_found on;
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client_body_temp_path @{nginx}/empty;
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proxy_temp_path @{nginx}/empty;
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fastcgi_temp_path @{nginx}/empty;
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uwsgi_temp_path @{nginx}/empty;
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scgi_temp_path @{nginx}/empty;
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}
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worker_processes 2;
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worker_rlimit_nofile 8192;
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working_directory @{nginx}/empty;
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error_log /dev/stderr notice;
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pid @{nginx}/pid;
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daemon off;
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events {
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use epoll;
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worker_connections 4224;
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accept_mutex off;
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multi_accept off;
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}
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