Release 10.1A: OpenEdge Deployment:
Startup Command and Parameter Reference

> ## Shared-memory Overflow Size (-Mxs)

> Use Shared-memory Overflow (`-Mxs`) to replace the default value of the shared-memory overflow area; it does not increase it.

> Operating system and syntax | UNIX Windows | `-Mxs` `n`
> Use with | Maximum value | Minimum value | Single-user default | Multi-user default
> Database Server | Varies1 | 1 | – | Varies

> 1The maximum is limited only by the size of the signed integer data type on the system. If your system uses a 4 byte integer, then the formula is: 16KB + (`n`*300). For all other systems, the formula is: 16KB + (`n`*400).

> ``n``

> The size of the shared-memory overflow area in kilobytes.

> The overflow area is appended to the shared-memory area. This parameter is relevant only on shared-memory systems.

> If the overflow area is too small, OpenEdge exits with the following message:

>     SYSTEM ERROR: Out of free shared memory. Use -Mxs to increase.

> Depending on the operating system, OpenEdge rounds the shared-memory area size to the next 512-byte or 4K boundary.

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