Progress
Startup Command and Parameter
Reference


Semaphore Sets (-semsets)

Operating 
System
and
Syntax 
UNIX 
-semsets n 
Use
With 
Maximum
Value 
Minimum
Value 
Single-user
Default 
Multi-user
Default 
DBS
Maximum Number of Users +1
1
 
1

n

An integer specifying the number of semaphore sets available to the Progress broker.

Use Semaphore Sets (-semsets) to change the number of semaphore sets available to the Progress broker. When more than 1,000 users connect to a single database, there might be high contention for the semaphore set. If there is a lot of semaphore contention on a system, using multiple semaphore sets helps alleviate this contention and improve performance on high user counts. For more information on using semaphore sets, see the Progress Database Administration Guide and Reference.


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