100% CPU usage on NSX Edge 6.4.4
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100% CPU usage on NSX Edge 6.4.4

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Article ID: 321256

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Updated On:

Products

VMware NSX Networking

Issue/Introduction

Symptoms:
In an NSX Data Center for vSphere 6.4.4 and later environment, you experience this symptom:

The NSX Edge is utilized at 100% CPU.

Environment

VMware NSX Data Center for vSphere 6.4.x

Cause

This issue occurs when configuring http monitor with extension "no-body" while using nagios in LB.

There is a nagios plugin upgraded from 2.0.3 to 2.2.1 since the release of NSX 6.4.4.

The nagios plugin check_http with extension 'no-body' causes the 100% CPU usage in this new version. Thus, LB loses the connection with all the backend servers, and the customer request is then broken.

Resolution

This is a known issue affecting VMware NSX Data Center for vSphere 6.4.4 and later versions.

Currently, there is no resolution.

Workaround:
To work around this issue, remove the extension "no-body" in the http monitor.