ZPAGEOPT parameter: Difference between revisions
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<tr><th align="right"><var>X'0020'</var></th><td>Use 1MB pages for CCATEMP in storage control blocks.</td></tr> | <tr><th align="right"><var>X'0020'</var></th><td>Use 1MB pages for CCATEMP in storage control blocks.</td></tr> | ||
<tr><th align="right"><var>X'0040'</var></th><td>Use 1MB pages for the record locking table when it resides above the bar.</td></tr> | <tr><th align="right"><var>X'0040'</var></th><td>Use 1MB pages for the record locking table when it resides above the bar.</td></tr> | ||
<tr><th align="right"><var> X'0080'</var></th><td>Use 1MB pages for APSY saved compilations in storage above the bar.</td></tr> | <tr><th align="right"><var> X'0080'</var></th><td>Use 1MB pages for CCAAPSY - APSY saved compilations in storage above the bar. From V7.6 onwards, this allocation will not include Resident Requests ( RESREQST ). </td></tr> | ||
</table> | </table> | ||
[[Category:System parameters]] | [[Category:System parameters]] | ||
[[Category:Parameters]] | [[Category:Parameters]] |
Revision as of 08:49, 14 July 2015
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 CCAAPSY - APSY saved compilations in storage above the bar. From V7.6 onwards, this allocation will not include Resident Requests ( RESREQST ). |