Avaya Media Processing Server System Manual de usuario descargar pdf (Pagina 85)

Voice Processing Applications

# P0602484 Ver: 2.7 Page 85

Application Memory Requirements

An important consideration to make before assigning and running applications is their

impact on overall system performance. One of the greater aspects of this impact is the

amount of memory an application requires during its execution. The following

formula accurately calculates an application’s memory requirements.

This formula only addresses application overhead and does not include other system

components or custom features that are part of the native operating system (OS)

software.

The total memory requirements to run N instances of an application, which uses

Indexed Sequential Access Method (ISAM) databases (ISAM significantly reduces

memory requirements), is calculated as follows:

(150K + WS) * N + (APP)

where WS is the total length in Kbytes of all W

orking Storage items in the application,

N is the N

umber of phone lines running the application, and APP is the size of the

APP

lication .vex file in Kbytes.

If the application does not use ISAM databases, the memory requirements formula

changes as follows:

(200K + WS) * N + (APP) + 500K

To determine the amount of memory needed for an application’s Working Storage

(WS), use the following vexdump command:

vexdump -v appname | grep Values

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 187 188

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Avaya Media Processing Server System Manual de usuario Pagina 85