Oracle VM: Use "xm dmeg" To Diagnose PVHVM Guest Performance.

(Doc ID 2174389.1)

Last updated on SEPTEMBER 15, 2016

Applies to:

Oracle VM - Version 3.2.7 and later
Information in this document applies to any platform.

Symptoms

In this example, ldbst18 and ldbst28 were created from the same template and are running on different OVS server:

ldbst18 (vm guest) is running on odbst12 (OVS)
ldbst28 (vm guest) is running on bpovmp4 (OVS)

By checking their scp, rsync and iperf, ldbst18 has half network transfer speed of ldbst28:

[1] From scp test:

 

Cause

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