NWUI Postgres process consumes 100% CPU resource after an operating system patch update

Summary: NWUI Postgres process consumes 100% CPU resource after an operating system patch update.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
Check out other resources

Symptoms

  • NWUI Postgres process consumes 100% CPU resource after an operating system patch update.
  • The NWUI server's is installed on a Linux platform.
  • The NWUI server's operating system kernel was updated from 3.10.0-1160.92.1.el7.x86_64 to 3.10.0-1160.99.1.el7.x86_64

Cause

The patch update could have messed up the NWUI database configuration.

Resolution

Reinitialize the NWUI configuration with a new keystore and database.

1. Stop the NWUI service: systemctl stop nwui
2. Run: /opt/nwui/scripts/nwui_configure.sh
Use the default settings and/or provide values when prompted. 

When you reach the prompt "Do you want to use the existing keystore "/nsr/nwui/monitoring/app/conf/nwui.keystore [y]?" -- Answer "n".
You are asked to enter a keystore password. You can use the same keystore password or assign a new one.

When you reach the prompt "A database already exists in /nsr/nwui/monitoring/nwuidb, do you want to retain this database [y]?:  --- Answer "n".

For the prompt "/nsr/nwui/monitoring/nwuidb already exists, is it okay to remove it [n]?" -- Answer  "y" .

3. Start the NWUI service (if it has not started yet): systemctl start nwui
Article Properties
Article Number: 000218296
Article Type: Solution
Last Modified: 31 Oct 2023
Version:  1
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.