less than a minute | Last modified: 2025-12-08, 12:10:55 pm

Analyzer ngx-worker-id

Name

ngx-worker-id - Nginx Worker ID

This analyzer identifies and displays the worker process ID for Nginx-based applications including OpenResty, Kong, and APISIX. It helps administrators and developers track which worker process is handling specific requests or experiencing issues, facilitating targeted debugging and performance analysis in multi-worker environments.

Resource Category

Miscellaneous.

Application Type & Technical Stack

  • OpenResty
  • Nginx
  • Kong
  • APISIX

Command Line Syntax

The analyzer can be invoked directly on the command-line via the orxray utility from the openresty-xray-cli software package.

Alternatively, the analyzer can also be invoked manually or automatically on the web console UI of OpenResty XRay (like on the Advanced web page).

# PID is the target process PID.
orxray analyzer run ngx-worker-id -p PID

# trace a shell command directly
orxray analyzer run ngx-worker-id -c SHELL_CMD

Tracing Multiple Processes

Not supported.

Output Formats

  • Plain Texts

Author

The OpenResty Inc. Team.

Copyright (C) by OpenResty Inc. All rights reserved.