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How and When to use the net.ipv4.tcp_rmem and net.ipv4.tcp_wmem Linux kernel Parameters (Doc ID 560590.1)

Last updated on FEBRUARY 13, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.1.0.6 [Release 10.1 to 11.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Linux x86
IBM: Linux on System z
IBM: Linux on POWER Big Endian Systems
Linux x86-64
Linux Itanium
Oracle Server Enterprise Edition - Version: 10.1.0.2 to 11.1.0.6
Applicable to all certified Linux Distributions.
Applicable to all certified Linux platforms.

Checked for relevance on 17-Sep-2010 by the NOTE author


Purpose

The purpose of this NOTE is to discuss "how" and "when" to use the net.ipv4.tcp_rmem and net.ipv4.tcp_wmem Linux kernel parameters.

This NOTE is applicable for the 10gR1, 10gR2, 11gR1  (or greater) RDBMS releases on all Linux platforms.

Scope

Generally, DBAs and System Administrator’s who would like to understand the net.ipv4.tcp_rmem and net.ipv4.tcp_wmem Linux kernel parameters will be interested in this NOTE.

This document will be useful to understand when these parameters should be used.

Details

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In this Document
Purpose
Scope
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