api: make num_threads configurable

May be can then handle more of the simple queries,
while the long queries block a smaller portion
of the overall thread count.

Author: BacLuc

.github/workflows/reusable-stage-prod-deployment.yml

@@ -102,6 +102,7 @@ jobs:
             --set browserless.connectionTimeout=${{ vars.BROWSERLESS_CONNECTION_TIMEOUT_MS || '30000' }} \
             --set browserless.resources.requests.cpu=${{ vars.BROWSERLESS_CPU || '500m' }} \
             --set browserless.resources.requests.memory=${{ vars.BROWSERLESS_MEMORY || '800Mi' }} \
+            --set api.num_threads=${{ vars.API_NUM_THREADS != null && vars.API_NUM_THREADS || null }} \
             --set api.resources.requests.cpu=${{ vars.PHP_CPU || '1000m' }} \
             --set api.resources.requests.memory=${{ vars.PHP_MEMORY || '500Mi' }} \
             --set api.resources.limits.cpu=${{ vars.PHP_CPULIMIT || '1900m' }} \

.helm/.env-example

@@ -6,6 +6,7 @@ POSTGRES_URL=
 POSTGRES_ADMIN_URL=
 
 API_CACHE_ENABLED=false
+#API_NUM_THREADS=16
 
 BASIC_AUTH_ENABLED=false
 BASIC_AUTH_USERNAME=test

.helm/deploy-to-cluster.sh

@@ -52,6 +52,9 @@ for i in 1; do
   if [ -n "$API_SENTRY_DSN" ]; then
     values="$values --set api.sentryDsn=$API_SENTRY_DSN"
   fi
+  if [ -n "$API_NUM_THREADS" ]; then
+    values="$values --set api.num_threads=$API_NUM_THREADS"
+  fi
   if [ -n "$FRONTEND_SENTRY_DSN" ]; then
     values="$values --set frontend.sentryDsn=$FRONTEND_SENTRY_DSN"
   fi

.helm/ecamp3/templates/api_configmap.yaml

@@ -29,3 +29,6 @@ data:
   {{- else }}
   VARNISH_API_URL: {{ "" | quote }}
   {{- end}}
+  {{- if .Values.api.num_threads }}
+  NUM_THREADS: {{ .Values.api.num_threads | quote }}
+  {{- end }}

.helm/ecamp3/values.yaml

@@ -62,6 +62,7 @@ api:
       clientId: 'WrKABq7GwmC6h1F0W73OGX_fOTHWWXnKXfrPMHOdQWY'
       clientSecret: 'oQ164RDMIAocL6PhmCoeT1Ymcg-7WcOJZdxCnIph5gM'
       baseUrl: 'https://jubla.puzzle.ch'
+  num_threads:
   resources:
     requests:
       cpu: 10m

api/Dockerfile

@@ -12,6 +12,8 @@ FROM dunglas/frankenphp:1.2-php8.3.13 AS frankenphp_upstream
 # Base FrankenPHP image
 FROM frankenphp_upstream AS frankenphp_base
 
+ENV NUM_THREADS=4
+
 WORKDIR /app
 
 # persistent / runtime deps

api/docker/caddy/Caddyfile

@@ -5,6 +5,7 @@
 	{$CADDY_GLOBAL_OPTIONS}
 
 	frankenphp {
+		num_threads {$NUM_THREADS}
 		{$FRANKENPHP_CONFIG}
 	}