Collection Services data files: QAPMPOOLB
This database file includes main storage pool file entries and lists the counters for system storage pools.
| Field Name | Description | Attribute |
|---|---|---|
| INTNUM | Interval number: The nth sample database interval based on the start time specified in the Create Performance Data (CRTPFRDTA) command. | PD (5,0) |
| DTETIM | Interval date (yymmdd) and time (hhmmss): The date and
time of the sample interval,  expressed in local system time. |
C (12) |
| INTSEC | Elapsed interval seconds: The number of seconds since the last sample interval. | PD (7,0) |
| DTECEN | Century digit. | C (1) |
| PONBR | Pool number: Specifies the unique identifier of this pool. The value is from 1 to 64. | C (3) |
| POACTL | Pool activity level setting: The maximum number of processes that can be active in the machine at the same time. | PD (5,0) |
| POSIZ | Pool size (in KB) (see note 1): The amount of main storage assigned to the pool. If this field is set to the largest number it can hold (999999999), pool size is too large to fit in this field and the field POSIZB should be used instead. | PD (9,0) |
| PORES | Pool reserved size (in KB): Specifies the amount of storage from the pool that is dedicated to machine functions. | PD (9,0) |
| PODBF | Pool database faults (see note 1): Total number of interruptions to processes (not necessarily assigned to this pool) that were required to transfer database data into the pool. | PD (11,0) |
| PONDBF | Pool nondatabase faults (see note 1): Total number of interruptions to processes (not necessarily assigned to this pool) that were required to transfer nondatabase data into the pool. | PD (11,0) |
| PODBPG | Pool database pages read (see note 1): Total number of pages of database data transferred from auxiliary storage to the pool. | PD (11,0) |
| PONDPG | Pool nondatabase pages read (see note 1): Total number of pages of nondatabase data transferred from auxiliary storage to the pool. | PD (11,0) |
| POAW | Number of active to wait transitions: Total number of transitions by processes assigned to this pool from active state to wait state. | PD (11,0) |
| POWI | Number of wait to ineligible: Total number of transitions by processes assigned to this pool from wait state to ineligible state. | PD (11,0) |
| POAI | Number of active to ineligible: Total number of transitions by processes assigned to this pool from active state to ineligible state. | PD (11,0) |
| POUNAL | Unallocated pool space (in KB) (see note 1): The amount of pool storage available to be used for new transfers into the main storage pool without displacing any virtual data already in the pool. If this field is set to the largest number it can hold (999999999), unallocated pool space is too large to fit in this field and the field POUNALB should be used instead. | PD (9,0) |
| PDATA1 | Reserved | B (18,0) |
| PDATA2 | Reserved | B (18,0) |
| PDATA3 | Reserved | B (18,0) |
| PDATA4 | Reserved | B (18,0) |
| POPGS4 | Pool 4K pages: Total number of 4K pages in the pool. | B (18,0) |
| POPGS64 | Pool 64K pages: Total number of 64K pages in the pool. | B (18,0) |
| PODBF4 | Pool database 4K page faults: Total number of interruptions to processes (not necessarily assigned to this pool) that were required to transfer 4K page database data into the pool. | B (18,0) |
| PODBF64 | Pool database 64K page faults: Total number of interruptions to processes (not necessarily assigned to this pool) that were required to transfer 64K page database data into the pool. | B (18,0) |
| PONDBF4 | Pool nondatabase 4K page faults: Total number of interruptions to processes (not necessarily assigned to this pool) that were required to transfer 4K page nondatabase data into the pool. | B (18,0) |
| PONDBF64 | Pool nondatabase 64K page faults: Total number of interruptions to processes (not necessarily assigned to this pool) that were required to transfer 64K page nondatabase data into the pool. | B (18,0) |
| PODBPG4 | Pool database 4K pages read: Total number of 4K pages of database data transferred from auxiliary storage to the pool. | B (18,0) |
| PODBPG64 | Pool database 64K pages read: Total number of 64K pages of database data transferred from auxiliary storage to the pool. | B (18,0) |
| PONDPG4 | Pool nondatabase 4K pages read: Total number of 4K pages of nondatabase data transferred from auxiliary storage to the pool. | B (18,0) |
| PONDPG64 | Pool nondatabase 64K pages read: Total number of 64K pages of nondatabase data transferred from auxiliary storage to the pool. | B (18,0) |
| POUNAL4 | Unallocated 4K pages: Total number of 4K pages in the pool which may be used for new transfers into the pool without displacing any data already in the pool. | B (18,0) |
| POUNAL64 | Unallocated 64K pages: Total number of 64K pages in the pool which may be used for new transfers into the pool without displacing any data already in the pool. | B (18,0) |
| POAGED4 | Pool 4K pages aged: Number of 4K pages in the pool examined but not selected for reuse when the system is searching for a page to be allocated. | B (18,0) |
| POAGED64 | Pool 64K pages aged: Number of 64K pages in the pool examined but not selected for reuse when the system is searching for a page to be allocated. | B (18,0) |
| POSTLN4 | Pool 4K pages stolen: Number of 4K pages in the pool that already had a virtual address assigned to them but were reassigned to a different virtual address during page allocation. | B (18,0) |
| POSTLN64 | Pool 64K pages stolen: Number of 64K pages in the pool that already had a virtual address assigned to them but were reassigned to a different virtual address during page allocation. | B (18,0) |
| POUNUSE4 | Pool unused 4K pages allocated: Number of 4K pages in the pool that did not have a virtual address assigned to them but were assigned a virtual address during page allocation. | B (18,0) |
| POUNUSE64 | Pool unused 64K pages allocated: Number of 64K pages in the pool that did not have a virtual address assigned to them but were assigned a virtual address during page allocation. | B (18,0) |
| POSYNC4 | Pool 4K page synchronous IO operations: Number of synchronous IO operations executed to transfer 4K page data between the pool and auxiliary storage. | B (18,0) |
| POSYNC64 | Pool 64K page synchronous IO operations: Number of synchronous IO operations executed to transfer 64K page data between the pool and auxiliary storage. | B (18,0) |
| POASYNC4 | Pool 4K page asynchronous IO operations: Number of asynchronous IO operations executed to transfer 4K page data between the pool and auxiliary storage. | B (18,0) |
| POASYNC64 | Pool 64K page asynchronous IO operations: Number of asynchronous IO operations executed to transfer 64K page data between the pool and auxiliary storage. | B (18,0) |
| POPGOUT4 | Pool 4K page outs: Number of changed 4K pages that were transferred from the pool to auxiliary storage to allow for page allocation. | B (18,0) |
| POPGOUT64 | Pool 64K page outs: Number of changed 64K pages that were transferred from the pool to auxiliary storage to allow for page allocation. | B (18,0) |
| POPGABLE4 | Pool pageable 4K pages: Number of 4K pages that are capable of having their data transferred from the pool to auxiliary storage. | B (18,0) |
| POPGABLE64 | Pool pageable 64K pages: Number of 64K pages that are capable of having their data transferred from the pool to auxiliary storage. | B (18,0) |
| POATMPT4 | Pool 4K page allocation attempts: Number of attempts made to allocate 4K pages whether successful or not. Unsuccessful attempts are retried and counted again until they succeed. | B (18,0) |
| POATMPT64 | Pool 64K page allocation attempts: Number of attempts made to allocate 64K pages whether successful or not. Unsuccessful attempts are retried and counted again until they succeed. | B (18,0) |
| POAPS4 | Pool 4K page affinity preference successes: Number of 4K page allocations that were made on the preferred resource affinity domain. | B (18,0) |
| POAPS64 | Pool 64K page affinity preference successes: Number of 64K page allocations that were made on the preferred resource affinity domain. | B (18,0) |
| POAPMIG4 | Pool 4K page affinity preference misses in group: Number of 4K page allocations that could not be made on the preferred resource affinity domain, but could be made within the preferred group of resource affinity domains. | B (18,0) |
| POAPMIG64 | Pool 64K page affinity preference misses in group: Number of 64K page allocations that could not be made on the preferred resource affinity domain, but could be made within the preferred group of resource affinity domains. | B (18,0) |
| POAPMOG4 | Pool 4K page affinity preference misses off-group: Number of 4K page allocations that could not be made on the preferred resource affinity domain or within the preferred group of resource affinity domains, but had to be made within some other resource affinity domain. | B (18,0) |
| POAPMOG64 | Pool 64K page affinity preference misses off-group: Number of 64K page allocations that could not be made on the preferred resource affinity domain or within the preferred group of resource affinity domains, but had to be made within some other resource affinity domain. | B (18,0) |
| POCRTPG64 | Pool 64K pages created: Number of 64K pages created by combining 4K pages. | B (18,0) |
| POBRKPG64 | Pool 64K pages broken up: Number of 64K pages broken up into individual 4K pages. | B (18,0) |
| POSIZB | Pool size (in KB) (see note 1): The amount of main storage assigned to the pool. | B (18,0) |
| POUNALB | Unallocated pool space (in KB) (see note 1): The amount of pool storage available to be used for new transfers into the main storage pool without displacing any virtual data already in the pool. | B (18,0) |
| DATETIME |
Interval date and time: The date and time of the sample interval, expressed in
local system time. |
Timestamp |
| UTCTIME |
UTC interval date and time: The date and time of the sample interval,
expressed in Coordinated Universal Time (UTC). |
Timestamp |
| PONAME |
Pool name. Specifies the name of the pool. |
C (32) |
Notes:
- The following fields represent totals for
both 4K and 64K pages. In these fields, any 64K pages that exist are
treated like 16 individual 4K pages.
- POSIZ: Pool size (in KB)
- PODBF: Pool database faults
- PONDBF: Pool nondatabase faults
- PODBPG: Pool database pages read
- PONDPG: Pool nondatabase pages read
- POUNAL: Unallocated pool space (in KB)
- POSIZB: Pool size (in KB)
- POUNALB: Unallocated pool space (in KB)
To see the totals broken out by page size, see the following fields:
- POPGS4: Pool 4K pages
- POPGS4: Pool 64K pages
- PODBF4: Pool database 4K page faults
- PODBF64: Pool database 64K page faults
- PONDBF4: Pool nondatabase 4K page faults
- PONDBF64: Pool nondatabase 64K page faults
- PODBPG4: Pool database 4K pages read
- PODBPG64: Pool database 64K pages read
- PONDPG4: Pool nondatabase 4K pages read
- PONDPG64: Pool nondatabase 64K pages read
- POUNAL4: Unallocated 4K pages
- POUNAL64: Unallocated 64K pages