Can application override net.core.rmem_max and net.core.wmem_max kernel parameters?

Solution In Progress - Updated -

Issue

  • Kernel paramter net.ipv4.tcp_rmem and net.ipv4.tcp_wmem have maximum allowable buffer of 4Mb, but application is unable to set with SO_RCVBUF/SO_SNDBUF larger buffer than net.core.rmem_max or net.core.wmem_max

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.