IN-002 — PM2 Process Management

Confirmed production findings for processes managed by PM2 on web.rahvaraamat.ee.

Source: Zone.ee portal screenshots, 31 July 2026.

PM2 managed processes

Process	Status	Memory (observed)
elasticsearch-7.16.2	Active	~204 MiB
kafka-event-consumer	Active	~1200 MiB
queue-listener	Active	~1024 MiB

PM2 configuration files

The following PM2 config files are in use:

• elasticsearch-7.16.2.pm2.config.js
• kafka-event-consumer.pm2.config.js
• queue-listener.pm2.config.js

Observations

PM2 currently manages:

• Elasticsearch service (7.16.2)
• Kafka Event Consumer
• Queue Listener

Zone notes applications should listen on localhost (127.0.0.1) with port forwarding or mod_proxy.

Related pages

• IN-005 Production Server Architecture
• Gap mirror: IN-002 PM2 Process

Summary

Three long-running production services run under PM2 and are reported as Active: Elasticsearch, the Kafka event consumer, and the queue listener. Each has a dedicated .pm2.config.js file.