Monday, December 20, 2010

Linux Kernel Parameters for oracle

SHMMAX = The maximum size(in bytes) of a single shared memory   segment.
SHMMIN = The minimum size(in bytes) of a single shared memory  segment.
SHMMNI = The number of shared memory identifiers.
SHMSEG = The maximum number of shared memory segments that can  be attached by a process.
SEMMNS = The number of semaphores in the system.
SEMMNI = The number of semaphore set identifiers in the system;  determines the number of semaphore sets that can be  created at any one time.
SEMMSL = The maximum number of semaphores that can be in one   semaphore set. It should be same size as maximum number   of Oracle processes
Please refer to below sites for more information.

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