Progress
Startup Command and Parameter
Reference


Shared-memory Overflow Size (-Mxs)

Operating 
System
and
Syntax 
UNIX
NT 
-Mxs n 
Use
With 
Maximum
Value 
Minimum
Value 
Single-user
Default 
Multi-user
Default 
DBS
Varies1
1
 
4KB + (n * 300)
  1. The maximum is limited only by the size of the signed integer data type on the system.

n

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

Use Shared-memory Overflow (-Mxs) to replace the default value of the shared-memory overflow area; it does not increase it. 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, Progress exits with the following message:

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

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


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