The default size and increment for Language Environment® HEAP runtime option differ
from those of the C/370™ V2 HEAP runtime option. The C/370 V2
defaults were 4K size and 4K increment.
The
Language Environment defaults are:
- For CICS® applications: HEAP(32K,32K,ANYWHERE,KEEP,8K,4K)
- For non-CICS applications: HEAP(4K,4080,ANYWHERE,KEEP,4K,4080)
The amount of heap storage allocated and incremented below the
16M line is determined by the following
Language Environment parameters:
For information about these parameters, see z/OS Language Environment Programming Reference.