Experiment with more workers and fewer threads

Author: alexeyr

.github/workflows/benchmark.yml

@@ -58,7 +58,8 @@ env:
   REQUEST_TIMEOUT: ${{ github.event.inputs.request_timeout || '60s' }}
   CONNECTIONS: ${{ github.event.inputs.connections || '10' }}
   MAX_CONNECTIONS: ${{ github.event.inputs.max_connections || github.event.inputs.connections || '10' }}
-  WEB_CONCURRENCY: ${{ github.event.inputs.web_concurrency || '2' }}
+  WEB_CONCURRENCY: 4
+  RAILS_MAX_THREADS: 5
   TOOLS: ${{ github.event.inputs.tools || 'fortio,vegeta,k6' }}
 
 jobs: