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NFS Performance Degraded on Linux Virtual Machines After Configuration of DSA Filter and Tripwire Modules (Doc ID 2285841.1)

Last updated on AUGUST 20, 2018

Applies to:

Oracle VM - Version 3.0.1 to 3.4.3 [Release OVM30 to OVM34]
Linux x86-64

Symptoms

NFS degradation of 10x on Virtual Machines running different versions of Oracle Linux. This degradations is not reported on fresh install Virtual Machines.

Network performance tools like Iperf might also report asymmetric performance where throughput is different depending on who is the source of the traffic. Usually is expect that throughput is similar no matter the direction of the traffic.

Changes

 

Cause

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