[PM2] pm2 클러스터 개수 조절 scale

~]# pm2 list

pm2 프로세스 확인

 

~]# pm2 scale app_name 4

app_name 클러스터를 4개로 조절

pm2 기본 명령어

# Fork mode
pm2 start app.js --name my-api # Name process

# Cluster mode
pm2 start app.js -i 0        # Will start maximum processes with LB depending on available CPUs
pm2 start app.js -i max      # Same as above, but deprecated.
pm2 scale app +3             # Scales `app` up by 3 workers
pm2 scale app 2              # Scales `app` up or down to 2 workers total

# Listing

pm2 list               # Display all processes status
pm2 jlist              # Print process list in raw JSON
pm2 prettylist         # Print process list in beautified JSON

pm2 describe 0         # Display all informations about a specific process

pm2 monit              # Monitor all processes

# Logs

pm2 logs [--raw]       # Display all processes logs in streaming
pm2 flush              # Empty all log files
pm2 reloadLogs         # Reload all logs

# Actions

pm2 stop all           # Stop all processes
pm2 restart all        # Restart all processes

pm2 reload all         # Will 0s downtime reload (for NETWORKED apps)

pm2 stop 0             # Stop specific process id
pm2 restart 0          # Restart specific process id

pm2 delete 0           # Will remove process from pm2 list
pm2 delete all         # Will remove all processes from pm2 list

# Misc

pm2 reset <process>    # Reset meta data (restarted time...)
pm2 updatePM2          # Update in memory pm2
pm2 ping               # Ensure pm2 daemon has been launched
pm2 sendSignal SIGUSR2 my-app # Send system signal to script
pm2 start app.js --no-daemon
pm2 start app.js --no-vizion
pm2 start app.js --no-autorestart