Sga can't Fit Into A Single Memory Segment and UDP port usage is exploding (Doc ID 747486.1)

Last updated on JANUARY 29, 2009

Applies to:

Oracle Server - Enterprise Edition - Version: 10.2.0.3 to 10.2.0.4
Fujitsu PRIMEPOWER Solaris
HP 9000 HP-UX 11.0 (32 bit)
HP-UX Itanium
HP-UX PA-RISC (32-bit)
IBM AIX Based Systems (64-bit)
HP OpenVMS Itanium
HP-UX Itanium (32-bit)
HP-UX PA-RISC (64-bit)

Symptoms

The machine is running out of UDP ports, checking made clear that is direct related to the amount of shared memory segments per database, each connection needs an UDP port per memory segment, so having N shared memory segments would require N*Client connections UDP ports.

Cause

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