The processes and resources started by CRS (Grid Infrastructure) do not inherit the ulimit setting for "max user processes" from /etc/security/limits.conf setting (Doc ID 1594606.1)

Last updated on JANUARY 21, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Information in this document applies to any platform.

Symptoms

Database alert.log shows the following:

WARNING: Oracle instance running on a system with low open file
descriptor limit. Tune your system to increase this limit
to avoid severe performance degradation. Current limit = <nnnn>

OR

ORA-27300: OS system dependent operation:fork failed with status: 11
ORA-27301: OS failure message: Resource temporarily unavailable
ORA-27302: failure occurred at: skgpspawn3

 

 

Cause

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