Local Group Buffer Pool

Use Local Group Buffer Pool attributes to create situations to determine the usage and availability of coupling facility structures relating to group buffer pools, the shared communication area, and the lock table.


Cross Invalidate Count The number of notifications that the DB2 buffer has modified. Valid value is an integer in the range 0 - 99999999.

Cross Invalidate Rate The rate of cross invalidations per second. Valid value is an integer in the range 0 - 99999999.

Data Pages The number of data pages that DB2 has allocated for the group buffer pool. Valid value is an integer in the range 0 - 99999999.

Data Sharing Group The name of a data sharing group. Valid format is alphanumeric, with a maximum of 8 characters; for example, TDDB241G.

Directory Entries The total number of directory entries that a DB2 system has allocated for a coupling facility structure. Valid value is an integer in the range 0 - 99999999.

IDNAME An internal attribute used for navigation, it contains either the Data Sharing Group Name or the DB2ID. Valid format is alphanumeric with a maximum of 8 characters; for example TDDB242G.

MVS System The MVS System Management Facility (SMF) identifier. Valid format is alphanumeric with a maximum of 4 characters; for example SP11.

Originating System Identifier Identifies the originating Tivoli Enterprise Monitoring Server (TEMS). Valid format is alphanumeric, with a maximum of 32 characters; for example, DB2.USCACO01.D412.

Read Count The total number of page read requests to a group buffer pool. Valid value is an integer in the range 0 - 99999999.

Read Hit Count The number of successful page read requests to a group buffer pool without causing a physical database read. Valid value is an integer in the range 0 - 99999999.

Read Hit Percent The percentage of successful page read requests in relation to the total page read requests for a group buffer pool. Valid value is an integer in the range 0 - 100.

Structure Connect Count The number of active connections to a structure. Valid value is an integer in the range 0 - 16.

Structure Name The name of a DB2 coupling facility structure. Valid format is alphanumeric, with a maximum of 16 characters; for example, TDDB241G.SCA.

Structure Size The size, in kilobytes, of a DB2 coupling facility structure. Valid value is an integer in the range 0 - 99999999.

Structure Status The current status of the coupling facility structure. Valid values are:

ACTIVE

The structure is active

REBUILD

The structure is being rebuilt

ALTER

The structure is being altered

CLEANUP

The structure is inactive

With DB2 V6.1 and above, group buffer pools can be duplexed. For duplexed group buffer pool structures, additional valid values are:

REB_NEW

Rebuild on new (secondary GBP)

REB_OLD

Rebuild on old (primary) GBP

REB_STOP

Structure rebuild is stopped

REB_TRAN

Structure is in transition

REB_HOLD

Structure is in holding state

REB_ERR

Error during the structure rebuild

Structure Type The type of DB2 coupling facility structure. Valid values are:

CACHE

Cache data of interest to several DB2s in data sharing group

LIST

Shared Communications Area (SCA) for data sharing group members

LOCK

Controls locking

Timestamp Represents the end of data collection or the end of an interval, and is the local time where the system is running. Valid format is
MM-DD-YY HH:MM:SS, where:

MM

Month

DD

Day

YY

Year

HH

Hour

MM

Minute

SS

Second

For example, 07-16-00 14:58:29 indicates that data collection ended on July 16th, 2000, at 14:58:29 PM.