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 In Version 9.5, it has been replaced by the appl_memory configuration parameter.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
- Parameter type
- Default [range]
- 70 [1 - 99 ]
- Unit of measure
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.