VSIZE - Size of Buffer Area for Natural for VSAM

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# VSIZE - Size of Buffer Area for Natural for VSAM

This Natural profile parameter sets the maximum size of the buffer area required by Natural for VSAM. If set to `0` or if the requested space is not available, Natural for VSAM cannot be used.

Possible settings | `1 - 32767` | Buffer size in KB.
`0` | With `VSIZE=0`, Natural for VSAM cannot be used.
Default setting | `0` |
Dynamic specification | yes |
Specification within session | no |

Notes:

1. This Natural profile parameter applies only if Natural for VSAM is installed.
2. If Natural for VSAM is installed, the corresponding Natural buffers are requested at the initialization of the Natural session.
3. If the requested space is not available, Natural for VSAM cannot be used. An appropriate error message at the initialization of Natural for VSAM tells you which buffer specified in the `NTVSAM` macro in the Natural parameter module does not fit into the `VSIZE` area; you can then increase the size of the `VSIZE` area.
4. If you do not need VSAM support during a Natural session, it is recommended that you invoke Natural with `VSIZE=0` to avoid overhead caused by handling of unused buffers.