groupheap_ratio - Percent of memory for application group heap configuration parameter
This parameter has been deprecated since Version 9.5,
but is still being used by pre-Version 9.5 data servers and clients. Any value specified for this
configuration parameter will be ignored by the database manager in Db2® Version 9.5 or later
releases.
In Version 9.5, it has been replaced by the appl_memory
configuration parameter.
Note: The following information applies only to pre-Version
9.5 data servers and clients.
This parameter specifies the percentage
of memory in the application control shared memory set devoted to
the application group shared heap.- Configuration type
- Database
- Parameter type
- Configurable
- Default [range]
- 70 [1 - 99 ]
- Unit of measure
- Percentage
This parameter does not have any effect on a non-partitioned database with concentrator OFF and intrapartition parallelism disabled.
Recommendation: Retain the default value of this parameter unless you are experiencing performance problems.