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"qperf" Sometimes Reports Lower Performance (Doc ID 1596463.1)

Last updated on JUNE 24, 2020

Applies to:

Linux OS - Version Oracle Linux 5.8 and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86
Linux x86-64

Symptoms

"qperf", which is a tool to measure bandwidth and latency between two nodes, sometimes reports lower performance like below:

This typically occurs via fast network device, like 10 gigabit ethernet or Infiniband.

The command can be interrupted by pressing <ctrl> + <c> key combination.

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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