es/lock_method: Use MTX or SEMA for locking in ES

Short text

Use MTX or SEMA for locking in ES

Parameter Description

Controls which technical method is used for process synchronization in the area of Extended Segments (ES) administration in Memory Management. Default is MTX which means that a work process uses a Mutex lock when requesting exclusive access to shared ES resources.
Alternative value is SEMA, which means that a Semaphore is used for ES resource locking. The Semaphore method is slower but can be used in case of problems with Mutex locking.

Application Area

BC-CST-MM (Memory Management)

Default Value

MTX

Who is permitted to make changes?

Customer

Operating System Restrictions

none

Database System Restrictions

none

Values allowed

MTX, SEMA, mtx, sema

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