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rdisp/ROLL_SHM - Roll buffer size

rdisp/ROLL_SHM - Roll buffer size

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| Parameter : rdisp/ROLL_SHM |
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| Short description: Roll buffer size |
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| Description : |
| -------------- |
| The value specifies the size of the roll buffer in 8KB blocks. |
| The roll buffer is used as a cache for the roll file. |
| To ensure fast context change, the roll buffer should |
| provide enough space for the roll areas of all user contexts. |
| Aim: |
| Minimum time for context change |
| Windows NT: Standard value is calculated from the profile |
| parameter PHYS_MEMSIZE. |
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| Unit : 8 KB blocks |
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| Default : 0 (other) |
| = [UC] * 100 (Windows NT) |
| ( [UC] = Max. number of users calculated from the |
| profile parameter PHYS_MEMSIZE) |
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| Proposed value: 8192 (64MB) |
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| Who is permitted to make changes: The customer |
| No manual maintenance required for Microsoft Windows NT |
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| Dependencies : A value larger than %%rdisp/ROLL_MAXFS%% (size of |
| the roll file) does not make any sense. |
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| Operating system dependencies: None |
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| Database dependencies: None |
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| Short Description : Roll buffer size
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| Applications Area : Dispatcher
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| Parameter Type : I
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| Changes allowed : X
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| Valid for Operating System : *
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| Dynamic switchable :
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| Same on all Servers :
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