SAM Console Crashes While Openning Notification Window

Products

• VMware Smart Assurance
• Network Observability

Issue/Introduction

The Smarts SAM console closes abruptly when you attempt to open the Notification Window. This behavior typically occurs when you access a specific domain, such as the Presentation SAM, while other domains (like the Aggregate SAM) function correctly.

Environment

All supported Smarts releases

Cause

The console crashes due to Java heap size exhaustion. This happens when the targeted SAM domain contains an excessive volume of notifications (e.g., ####K alerts) that exceeds the console's default memory allocation.

Resolution

Temporary Workaround: Increase Console Heap Size

To adjust the SAM console heap size allocation, please follow these steps:

1. Right-click on the Global Console icon and select Properties.

2. In the Target field, append the parameter -H 2000M to the very end of the existing path.

3. Click Apply, and then click OK to save the changes.

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Permanent Solution: Architectural Optimization

The heap size adjustment is a temporary measure. To ensure permanent stability and prevent future memory exhaustion, you must reduce the notification volume reaching the Presentation SAM:

1. Audit Alert Validity: Review the volume and necessity of incoming alerts hitting the Presentation SAM.
2. Implement Filtering: Enable a hook script at the Aggregation SAM layer to filter the event stream.
3. Configure the script to synchronize only operationally required notifications from the Aggregate SAM to the Presentation SAM.