The controller probe version 9.39S consumes all available memory

Products

• DX Unified Infrastructure Management (Nimsoft / UIM)

Issue/Introduction

Currently running UIM 20.4 CU8 on primary hub after upgrading secondary hubs to version 9.39S and robots to 9.39S.

Started seeing issues with performance on several robots, where the memory consumption started increasing. This happens on servers with MS SQL Server installed.

A multitude of timeout issues and performance issues related to the SQL Servers were noticed and the controller probe was consuming up all available memory.

Downgrading to version 9.38S resolved the issue.

This occurs on different OS versions, and also different MS SQL Server versions.

Environment

• Release : 20.4 CU4
• OS: Windows, Any

Resolution

Engineering created a new robot hotfix to address this, robot_update_secure-9.40-20230825.111127-1.

This fix is attached to this KB Article.