Nginx error "1024 worker_connections are not enough while connecting to upstream"

Solution Verified - Updated -

Issue

  • Nginx is continuously writing the "worker_connections are not enough" message in Nginx error.log file.
2022/03/29 13:35:44 [alert] 12345678#0: *6592349 1024 worker_connections are not enough while connecting to upstream, client: 10.10.10.10, server: localhost, request: "POST /example/verify HTTP/1.1", upstream: "http://127.0.0.1:8001/verify, host: "test.example.com", referrer: "http://example.com"

Environment

  • Red Hat Enterprise Linux
    • 6,7,8
  • Red Hat Software Collections (RHSCL)
  • Nginx

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