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I use Linode server (Dedicated CUP 4 core with Ram 8) but the server is does not work well.

The server response too long time when pm2 app memory reach out above 100mb.
It is happing on this condition.

enter image description here

Is it require to upgrade my server? (Ram 16 8Core ..)

Is it require to change a config in Apache2?

Is it require to change a config in Node?

Is it require to change a config in PM2?

What should I do?

Nring Cham Aung
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  • Can you provide result of the `free -h` command? – Alaindeseine Oct 03 '22 at 14:10
  • Also why is the memory increasing? because of increasing connections? If not because increasing connections, you hsould have a memory leak. – Alaindeseine Oct 03 '22 at 14:12
  • @Alaindeseine The result for `free -h` is [Here](https://drive.google.com/file/d/135cW2GHB-uFZSQFCMe_1WZJbzdb71iyS/view?usp=sharing). – Nring Cham Aung Oct 03 '22 at 14:35
  • And what your pm2 process logs tell? Have you any errors in your PM2 error logs file? – Alaindeseine Oct 03 '22 at 14:36
  • Also what do you mean by "the server start hanging"? As per your screenshot pm2 process are not errored – Alaindeseine Oct 03 '22 at 14:38
  • My app is lottery numbers result live app. So, all of users ( about 10 k ) are open and seeing on my app from 3:00 PM to 4:30 PM. After that, every users have gone from my app. PM2's mem is having around 90 mb in normal time. Is it memory leak? Lottery time memory is having around 110 mb and my server is very hanging in that time. – Nring Cham Aung Oct 03 '22 at 14:52
  • So when you tell "the server start hanging" you say that because users take time to get response from server? I don't think memory is the problem as your free ok. Just try the free commande when you server seems to hang, but i guess it will be nearly the same. – Alaindeseine Oct 03 '22 at 15:00
  • You say server hang between 3:00 and 4:00 pm. Is the server hanging during 90 minutes? or jsute a fem minutes during 3:00 and 4:00 pm? – Alaindeseine Oct 03 '22 at 15:02
  • PM2 log also fine. There is no error. Just only lagging in lottery time. I think that I have requiring to fix a configuration to allow for more RAM usage. Now my pm2 is using just only around 110mb memory but my server is so lagging. – Nring Cham Aung Oct 03 '22 at 15:04
  • @Alaindeseine Sorry for my bad writing skill, I do not mean "server start hanging", I mean that the hanging start when the memory reach out around 110mb. – Nring Cham Aung Oct 03 '22 at 15:10

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