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PHP Application hosted on Nginx server going down frequently.

I checked using htop output and cpu usage is 100% and load average is more the 3.

I tried restarting server and well as restarting PHP -FPM, but after the restart same condition occurs

enter image description here

What may be the possible issue?

Explorer
  • 101
  • From your screenshot: `uptime 170 days` so the server seems stable. Add more detailed monitoring and/or check the logs of the services you,re running for insights as to why your server slows down, because it can be as simple as too many visitors and/or too little optimization in either the code or backend database. Your question doesn’t provide enough detail to answer that. – HBruijn Jul 13 '19 at 05:45
  • Please include all relevant details about this system. – Michael Hampton Jul 13 '19 at 05:50
  • @HBruijn I restarted Server and PHP fpm service and then run HTop but it directly shows 100% CPu usage. all CPu is used by PHP FPM – Explorer Jul 13 '19 at 06:30
  • Look at your Web logs for php files i think that maxbe a Script or cryptominer goes on? – djdomi Jul 13 '19 at 08:26

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