ZPAGEOPT parameter: Difference between revisions
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Revision as of 22:03, 26 August 2014
1 mb page areas
Summary
- Default value
- 0
- Parameter type
- System
- Where set
- On User 0's parameter line.
- Related products
- All
- Introduced
- Model 204 V7.4
Description
ZPAGEOPT is a user 0 parameter applicable to z/OS systems only.
ZPAGEOPT specifies which areas should be allocated using 1MB pages.
The following settings are valid:
| Setting | Meaning |
|---|---|
| X'0001' | Use 1MB pages for servers above the bar. |
| X'0002' | Use 1MB pages for buffers above the bar. |
| X'0004' | Use 1MB pages for buffer hash cells above the bar. |
| X'0008' | Use 1MB pages for buffer control blocks above the bar. |
| X'0010' | Use 1MB pages for CCATEMP pages in storage above the bar. |
| X'0020' | Use 1MB pages for CCATEMP in storage control blocks. |
| X'0040' | Use 1MB pages for the record locking table when it resides above the bar. |
| X'0080' | Use 1MB pages for APSY saved compilations in storage above the bar. |