IFCID 225 - Address Space Summary - DIST

This topic shows detailed information about Record Trace - IFCID 225 - Address Space Summary - DIST.

Record Trace - IFCID 225 - Address Space Summary - DIST

The field labels shown in the following sample layout of Record Trace - IFCID 225 - Address Space Summary - DIST are described in the following section.


ADDRESS SPACE SUMMARY - DIST

EXTENDED REGION SIZE (MAX)         :            1587544064    24-BIT LOW PRIVATE                 :               221184
24-BIT HIGH PRIVATE                :                450560    31-BIT EXTENDED LOW PRIVATE        :             69603328
31-BIT EXTENDED HIGH PRIVATE       :              38600704    CURR HIGH ADDR 24-BIT PRIV REGION  :          X'0003C000'

CURR HIGH ADDR 31-BIT PRIV REGION  :           X'270E9000'    31-BIT RESERVED FOR MUST COMPLETE  :            158754406
31-BIT RESERVED FOR MVS            :              25827760    STORAGE CUSHION WARNING TO CONTRACT:            158754406
TOTAL 31-BIT GETMAINED STACK       :               4341760    TOTAL 31-BIT STACK IN USE          :              3997696
TOTAL 31-BIT VARIABLE POOL         :              12836864    TOTAL 31-BIT FIXED POOL            :                86016
TOTAL 31-BIT GETMAINED             :               1002384    AMOUNT OF AVAILABLE 31-BIT         :           1479335936
SYSTEM AGENT STACK STORAGE IN USE  :               1234567

TOTAL 64-BIT VARIABLE POOL         :              10162176    TOTAL 64-BIT FIXED                 :               7503872
TOTAL 64-BIT GETMAINED             :             438127168    TOTAL 64-BIT PRIVATE FOR STOR MANAG:               1925120

REAL 4K FRAMES IN USE              :                 20577    AUXILIARY SLOTS IN USE             :                 41227

64-BIT REAL 4K FRAMES IN USE       :                 12129    64-BIT 4K AUX SLOTS IN USE         :                 27055
ABOVE VALUE W/O BP STORAGE         :                 10000    ABOVE VALUE W/O BP STORAGE         :                  4096

HWM 64-BIT REAL 4K FRAMES IN USE   :                 43047    HWM 64-BIT AUX SLOTS IN USE        :                 27059
HWM 64-BIT REAL 2GB FRAMES IN USE  :                   500    DISCARDED PAGES ELIGIBLE FOR STEAL :                     5

QW0225CTLP (S)                     : OFF                      QW0225CTLS (S)                     : OFF

EXTENDED REGION SIZE (MAX)

The maximum amount of MVS private storage available above the 16 MB line.

Field Name: QW0225RG

24-BIT LOW PRIVATE

The amount of private MVS storage below the 16 MB line. This storage is obtained from bottom upward, usually for unauthorized programs.

Field Name: QW0225LO

24-BIT HIGH PRIVATE

The amount of private MVS storage below the 16 MB line. This storage is obtained from top downward, usually for authorized programs.

Field Name: QW0225HI

31-BIT EXTENDED LOW PRIVATE

The amount of private MVS storage above the 16 MB line. This storage is obtained from bottom upward, usually for unauthorized programs.

Field Name: QW0225EL

31-BIT EXTENDED HIGH PRIVATE

The amount of private MVS storage above the 16 MB line. This storage is obtained from top downward, usually for authorized programs.

Field Name: QW0225EH

CURR HIGH ADDR 24-BIT PRIV REGION

The current high address of the 24-bit private region.

Field Name: QW0225TP

CURR HIGH ADDR 31-BIT PRIV REGION

The current high address of the 31-bit private region.

Field Name: QW0225EP

31-BIT RESERVED FOR MUST COMPLETE

Storage reserved for operation that must complete before Db2 is allowed to stop.

Field Name: QW0225CR

31-BIT RESERVED FOR MVS

The amount of storage available for operating system activity.

Field Name: QW0225MV

STORAGE CUSHION WARNING TO CONTRACT

The amount of free storage, in megabytes, available in the DBM1 data space.

Field Name: QW0225SO

TOTAL 31-BIT GETMAINED STACK

Total GETMAINED storage allocated for program stack use.

Field Name: QW0225GS

TOTAL 31-BIT STACK IN USE

The amount of stack storage that is in use.

Field Name: QW0225SU

TOTAL 31-BIT VARIABLE POOL

Total storage used by all variable pools. This includes storage used by:

System agents
Local agents
RID pool
Pipe manager subpool
Local dynamic statement cache control blocks
Local dynamic statement cache statement pool
Buffer and data manager trace tables
A list of objects in restricted state including the new PRO state. If consumption of this storage pool is high, review restrictive exception state of database objects and check whether they can be resolved or reduced.

Field Name: QW0225VR

TOTAL 31-BIT FIXED POOL

Total amount of fixed storage.

Field Name: QW0225FX

TOTAL 31-BIT GETMAINED

Total storage acquired by GETMAIN. This includes space for virtual pools, EDM pool, compression dictionary, castout buffers, and the data space lookaside buffer, and data space buffer pool control blocks.

This figure can be different from the sum of GETMAIN storage items shown in the statistics DBM1 storage, because Db2 does not produce grouping statistics for all GETMAIN storage.

Field Name: QW0225GM

AMOUNT OF AVAILABLE 31-BIT

The total amount of storage available for storage manager pools.

Field Name: QW0225AV

SYSTEM AGENT STACK STORAGE IN USE

The amount of 31-bit stack storage that is in use for system agents. This is a subset of QW0225SU.

Field Name: QW0225SS

TOTAL 64-BIT VARIABLE POOL

Amount of variable storage available above the 2 GB bar.

Field Name: QW0225VA

TOTAL 64-BIT FIXED

The total amount of fixed storage above the 2 GB bar.

Field Name: QW0225FA

TOTAL 64-BIT GETMAINED

Total storage acquired by GETMAIN. This includes space for the compression dictionary, and statement and DBD cache that can be used by the Environmental Descriptor Manager (EDM).

This figure can be different from the sum of GETMAIN storage items shown in the statistics DBM1 storage, because Db2 does not produce grouping statistics for all GETMAIN storage.

Field Name: QW0225GA

TOTAL 64-BIT PRIVATE FOR STOR MANAG

Total 64-bit storage allocated for storage manager control structures.

Field Name: QW0225SM

REAL 4K FRAMES IN USE

Number of real-storage frames (4K) in use for 31- and 64-bit private pools.

Field Name: QW0225RL

AUXILIARY SLOTS IN USE

Number of auxiliary slots (4K) in use for 31- and 64-bit private pools.

Field Name: QW0225AX

64-BIT REAL 4K FRAMES IN USE

The number of real 4K frames in use for 64-bit private pools.

Note: This value is available from z/OS® V1.11.

Field Name: QW0225HVPAGESINREAL

64-BIT 4K AUX SLOTS IN USE

The number of auxiliary 4K slots in use for 64-bit private pools.

Note: This value is available from z/OS V1.11.

Field Name: QW0225HVAUXSLOTS

ABOVE VALUE W/O BP STORAGE

Number of real-storage frames (4K) in use for 64-bit private pools. This is a subset of QW0225HVPagesInReal and does not include buffer pool storage.

Note: This field is available in z/OS 1.10 (and maintenance) or later.

Field Name: QW0225PRISTG_REAL

ABOVE VALUE W/O BP STORAGE

Number of auxiliary slots (4K) in use for 64-bit private pools. This does not include buffer pool storage. This field only includes auxiliary slots occupied by pages that are paged out.

Note: This field is available in z/OS 1.10 (and maintenance) or later.

Field Name: QW0225PRISTG_AUX

HWM 64-BIT REAL 4K FRAMES IN USE

The number of real 4K frames in use for 64-bit private pools.

Note: This value is available from z/OS V1.11.

Field Name: QW0225HVGPAGESINREAL

HWM 64-BIT AUX SLOTS IN USE

High water mark for the number of auxiliary 4K slots in use for 64-bit private pools.

Note: This value is available from z/OS V1.11.

Field Name: QW0225HVGAUXSLOTS

HWM 64-BIT REAL 2GB FRAMES IN USE

High water mark for the number of auxiliary 4K slots in use for 64-bit private pools.

Note: This value is available from z/OS V1.11.

Field Name: QW0225HVPAGESINREAL2G

DISCARDED PAGES ELIGIBLE FOR STEAL

Number of pages that are discarded from private storage that are eligible for page steal.

Field Name: QW0225PriStg_dpage

QW0225CTLP (S)

This field is for IBM service.

Field Name: QW0225CTLP

QW0225CTLS (S)

This field is for IBM service.

Field Name: QW0225CTLS