Troubleshooting High CPU Utilization by Disabling Unnecessary Services For VIL

Overview

The customer was experiencing high CPU utilization on their host server, SURUMACGNAT01. This issue had been previously addressed but reoccurred, leading to an escalation to the Level 2 support team. The problem was identified as unnecessary services running on the server, causing high CPU utilization.

Recording: Explaining the issue

Ticket: 4053060

Solution

The solution involved a series of steps to identify and disable the unnecessary services causing the high CPU utilization. Here are the steps taken:

1. The support team requested access to the customer's servers and asked the customer to run a script to gather more information about the processes causing the high CPU utilization.
2. The customer provided the requested information.
3. The support team requested additional information from the customer, including details about any recent system activity, changes at the service parameter level, traffic comparison with previous instances of the issue, and current memory utilization by the application services.
4. The customer provided the requested information.
5. The support team identified that unnecessary services were running on the server and disabled them.
6. The customer reported that no CPU alarms were observed for several days after these changes were made.
7. The support team requested that the customer continue to monitor the system and provide updates.
8. The customer confirmed that no CPU alarms were observed for a week after the changes were made and the issue was resolved.

Summary

High CPU utilization on a server can be caused by unnecessary services running on the server. These services can consume a significant amount of CPU resources, leading to high CPU utilization alerts. Monitoring system activity, changes at the service parameter level, traffic comparison with previous instances of the issue, and current memory utilization by the application services can help identify the root cause of the issue. Disabling unnecessary services can help reduce CPU utilization.

FAQ

1. What can cause high CPU utilization on a server?
   Unnecessary services running on the server can cause high CPU utilization. These services can consume a significant amount of CPU resources.
2. How can high CPU utilization be reduced?
   High CPU utilization can be reduced by disabling unnecessary services running on the server.
3. What information is needed to troubleshoot high CPU utilization?
   Information about system activity, changes at the service parameter level, traffic comparison with previous instances of the issue, and current memory utilization by the application services can help identify the root cause of high CPU utilization.