How setup number of listener ?

[qutimqqcom]

not need more then 2, they eat memory, but how to set ?

CPU(s): 8

pr 23509 0.2 0.6 1227080 49920 ? Ssl 2019 47:54 node /home/pr/.pm2/modules/pm2-logrotate/node_modules/pm2-log
pr 23489 0.0 0.7 1218020 56984 ? Ssl 2019 20:15 PM2 v3.5.1: God Daemon (/home/pr/.pm2)

pr 1637 0.4 1.4 1270196 119100 ? Ssl Jan07 36:21 node /home/pr/xmr-node-proxy/proxy.js
pr 1675 0.3 5.5 1728272 447324 ? Sl Jan07 28:51 node /home/pr/xmr-node-proxy/proxy.js

pr 1686 0.2 7.0 1722860 571440 ? Sl Jan07 21:42 node /home/pr/xmr-node-proxy/proxy.js
pr 1693 0.2 8.1 1723580 655684 ? Sl Jan07 23:51 node /home/pr/xmr-node-proxy/proxy.js
pr 1663 0.2 8.4 1718624 683776 ? Sl Jan07 22:16 node /home/pr/xmr-node-proxy/proxy.js
pr 1680 0.2 8.6 1724328 697844 ? Sl Jan07 22:46 node /home/pr/xmr-node-proxy/proxy.js
pr 1657 0.2 8.6 1718184 698124 ? Sl Jan07 22:26 node /home/pr/xmr-node-proxy/proxy.js
pr 1658 0.3 8.7 1724824 706400 ? Sl Jan07 33:05 node /home/pr/xmr-node-proxy/proxy.js
pr 1669 0.3 8.7 1724004 710336 ? Sl Jan07 26:46 node /home/pr/xmr-node-proxy/proxy.js

[djfinch]

https://devhints.io/pm2