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Oracle VM: High Number of "rx_discards" leads to Poor Network Performance (Doc ID 2919143.1)

Last updated on JANUARY 10, 2023

Applies to:

Oracle VM - Version 3.4.4 and later
Information in this document applies to any platform.

Symptoms

Poor network performance reported after moving NFS server (virtual machine) to a new VLAN. This NFS server have shares that's used as datastore for static content.
The application reports high number of rejections due to network timeout between the application nodes and the NFS Server VM.

Steady increase in RX "errors" were observed in the Oracle VM Server that hosts the NFS server VM. The errors are reported for interfaces that serve the VM's network.

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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