How to set the queue size of database listener in RAC env (Doc ID 2928964.1)

Last updated on JUNE 13, 2023

Applies to:

Symptoms

ACTUAL BEHAVIOR
---------------
In a RAC/Cluster env, queuesize setting appears not work in a listener level, as well as not honor SOMAXCONN tcp kernel value.

It always looks set/back to 1024 as a default.


LISTENER_TEST =
  (DESCRIPTION_LIST =
  (DESCRIPTION =
  (ADDRESS = (PROTOCOL = TCP)(HOST = 10.107.xx.yyy)(PORT = 2222)(QUEUESIZE=2048))
  )
  )

By using truss, actual size check in listen() call  (followed by Doc 214122.1)

Cause

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