Progress
Database Administration
Guide and Reference
Activity Displays>Space Allocation
Displays information about Space Allocation. Figure A–30 shows a sample Space Allocation Activity display.
Figure A–30: PROMON Space Allocation Activity Display
The display lists the following operations:
- Database extends — The number of times the database was extended.
- Take free block — The number of times a block was used from the free chain.
- Return free block — The number of times a block was returned to the free chain.
- Alloc rm space — The number of times space was allocated for a record or record fragment.
- Alloc from rm — The number of times space was allocated from the rm chain.
- Alloc from free — The number of times space was allocated from the free chain.
- Bytes allocated — The number of bytes allocated for record fragments.
- rm blocks examined — The number of blocks examined in the rm chain while looking for space for a record fragment.
- Remove from rm — The number of blocks removed from the rm chain.
- Add to rm, front — The number of blocks added to the front of the rm chain.
- Add to rm, back — The number of blocks added to the back of the rm chain.
- Move rm front to back — The number of blocks moved from the front to the back of the rm chain.
- Remove locked rm entry — The number of rm chain entries that were locked.
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