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Recommended Network Settings if Application Job Performance Degration on the BDA is Correlated with High "socket buffer overrun" Statistics in the netstat Output (Doc ID 2740140.1)

Last updated on MARCH 12, 2021

Applies to:

Big Data Appliance Integrated Software - Version 4.13.0 and later
Linux x86-64

Purpose

If high values of "socket buffer overrun" are reported in netstat output, change the default values in /etc/sysctl.conf on all cluster hosts, to these values to increase the maximum socket buffer size:

Note that these values are based on the recommendations in "Oracle VM3:10GbE Network Performance Tuning White Paper".

Details

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In this Document
Purpose
Details
 Check for high levels of "socket buffer overrun" netstat statistcs
 Cause of high "socket buffer overrun" netstat statistcs values
 Solution


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