Cannot change the maximum number of file descriptors on squid

Solution Verified - Updated -

Issue

  • We'd like to increase the maximum number of file descriptors on squid.

  • The parameter max_filedescriptors in squid.conf doesn't work.

    # grep max_filedescriptors /etc/squid/squid.conf
max_filedescriptors 4096

# squidclient -l localhost -p 3128 mgr:info | grep descriptors
      Maximum number of file descriptors:   16384
      Available number of file descriptors: 16378
      Reserved number of file descriptors:   100

Environment

  • Red Hat Enteprise Linux 7.x
  • squid proxy server 3.3.8-26.el7

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