benchmark

docs/http_benchmark.md

@@ -0,0 +1,37 @@
+### wrk localhost
+
+clean cache after nginx restart
+
+```
+service nginx restart
+wrk -c10 -t4 -d60s -s /data/ofm/benchmark/wrk_custom_list.lua http://localhost
+Running 1m test @ http://localhost
+  4 threads and 10 connections
+  Thread Stats   Avg      Stdev     Max   +/- Stdev
+    Latency     2.02ms    7.04ms  50.43ms   93.23%
+    Req/Sec     8.42k     2.01k   18.52k    69.79%
+  2871265 requests in 1.00m, 230.65GB read
+Requests/sec:  47811.00
+Transfer/sec:      3.84GB
+```
+
+Super much overkill, we'd only need 125 MB/s for Gigabit connection and this is 3840 MB/s.
+Also max request time is super nice + no errors.
+
+
+
+### wrk over network
+
+```
+wrk -c10 -t4 -d60s -s /data/ofm/benchmark/wrk_custom_list.lua http://x.x.x.x
+Running 1m test @ http://144.76.168.195
+  4 threads and 10 connections
+  Thread Stats   Avg      Stdev     Max   +/- Stdev
+    Latency     7.57ms    6.61ms  45.34ms   84.32%
+    Req/Sec   293.85    141.33     1.18k    73.07%
+  71628 requests in 1.00m, 6.05GB read
+Requests/sec:   1191.88
+Transfer/sec:    103.01MB
+```
+
+Realistically this is the max over Gigabit connection.

docs/kernel-ideas.txt

@@ -8,11 +8,8 @@ fs.file-max # not needed, recent Ubuntu has it on high by default
 tcp_fin_timeout
 TCP max buffer size
 
-
-
 net.core.netdev_max_backlog = 262144
 net.core.rmem_max = 16777216
-net.core.somaxconn = 262144
 net.core.wmem_max = 16777216
 net.ipv4.tcp_max_syn_backlog = 262144
 net.ipv4.tcp_max_tw_buckets = 6000000

docs/nginx-ideas.txt

@@ -16,6 +16,9 @@ gzip_proxied any; # no proxying
 types_hash_max_size 2048; # default should be good for the default set
 
 
+
+
+
 # not tested
 
 client_body_buffer_size  128k;
@@ -23,21 +26,5 @@ client_max_body_size 128k;
 client_header_buffer_size 1k;
 large_client_header_buffers 2 1k;
 
-
-
-
-# SSL optimizations
-SSL Session Cache
-SSL OCSP Stapling
-ssl_session_cache shared:SSL:10m;
-ssl_session_timeout 10m;
-ssl_prefer_server_ciphers on;
-
 client_header_timeout 12; # default is 60
 
-
-location / {
-    try_files $uri =404;
-}
-
-

init-server.py

@@ -6,7 +6,7 @@ from dotenv import dotenv_values
 from fabric import Config, Connection
 
 from ssh_lib import CONFIG_DIR, HTTP_HOST_BIN, OFM_DIR, REMOTE_CONFIG, SCRIPTS_DIR, TILE_GEN_BIN
-from ssh_lib.benchmark import c1000k
+from ssh_lib.benchmark import c1000k, wrk
 from ssh_lib.kernel import kernel_tweaks_ofm
 from ssh_lib.nginx import certbot, nginx
 from ssh_lib.pkg_base import pkg_base, pkg_upgrade
@@ -91,7 +91,6 @@ def prepare_tile_gen(c):
 def prepare_http_host(c, skip_cron: bool):
     nginx(c)
     certbot(c)
-    c1000k(c)
 
     c.sudo('rm -rf /data/ofm/http_host/logs')
     c.sudo('mkdir -p /data/ofm/http_host/logs')
@@ -130,8 +129,14 @@ def upload_certificates(c):
     c.sudo('chown -R nginx:nginx /data/nginx')
 
 
+def install_benchmark(c):
+    c1000k(c)
+    wrk(c)
+
+
 def debug_tmp(c):
-    upload_https_host_files(c)
+    install_benchmark(c)
+    # upload_https_host_files(c)
     # put(c, SCRIPTS_DIR / 'http_host' / 'cron.d' / 'ofm_http_host', '/etc/cron.d/')
 
 

scripts/http_host/benchmark/command.txt

@@ -1,4 +0,0 @@
-wrk -c1000 -d10s -t1 -s /data/ofm/benchmark/wrk_custom_list.lua http://localhost
-
-# -t1 - needs to be single treaded, otherwise the urls would be read not in sequence
-

scripts/http_host/benchmark/wrk_custom_list.lua

@@ -1,10 +1,10 @@
 local counter = 1
 local lines = {}
-local base_path = "/planet/20231208_091355/tiles/"
-local file_path = "/data/ofm/benchmark/path_list_100k.txt"
+local url_base = "/planet/20231221_134737_pt/"  -- trailing slash
+local path_list_txt = "/data/ofm/benchmark/path_list_500k.txt"
 
-for line in io.lines(file_path) do
-    table.insert(lines, base_path .. line)
+for line in io.lines(path_list_txt) do
+    table.insert(lines, url_base .. line)
 end
 
 local function getNextUrl()

scripts/http_host/benchmark/wrk_usage.txt

@@ -0,0 +1,8 @@
+wrk -c10 -t4 -d10s -s /data/ofm/benchmark/wrk_custom_list.lua http://localhost
+
+# -t1 => more correct, since the url list is loaded exactly in sequence
+# -t4 => reflecting real world usage
+
+
+
+

ssh_lib/benchmark.py

@@ -17,9 +17,7 @@ def c1000k(c):
     # make sure it runs till 1 million
 
 
-def benchmark(c):
+def wrk(c):
     apt_get_install(c, 'wrk')
     c.sudo('mkdir -p /data/ofm/benchmark')
     put(c, f'{SCRIPTS_DIR}/http_host/benchmark/wrk_custom_list.lua', '/data/ofm/benchmark')
-
-    # wrk -c10 -d10s -t1 -s /data/ofm/benchmark/wrk_custom_list.lua http://localhost