How to troubleshoot CPU related issue on Apigee Edge Private cloud a.k.a OPDK?

[azharali49]

• How to rectify CPU spikes on OPDK nodes?
• How to identify and resolve High CPU usage issue?

[azharali49 · Accepted solution]

To begin the troubleshooting we need to isolate it by answering below questionnaire

• What is the frequency of this?
• Did this occur once or does it still continue to occur?
• If the affected node is restarted, after how long does the issue occur?
• Does the CPU issue goes away automatically or requires any manual action? If an action is required, what is that?
• What is the impact of CPU issue?
• Collect Thread dump of process consuming High CPU from affected node and attach to the support case;
• Collect sosreport from the affected node and attach to the support case
• Collect the output of the below commands from affected OPDK node.

  apigee-all version
  apigee-all status
  top
  java -version
  rpm -qa --last
  mpstat
  lscpu
  cat /proc/cpuinfo
  cpuid
  dmidecode --type processor
  lshw -c CPU
  hwinfo --cpu
  nproc