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Technical Note
Changing the thread stack size
The thread stack size is a parameter that determines the amount of memory reserved for the call stack associated with
each thread. There should be sufficient stack size allocated to permit the application to function accurately and the
stack size should not be too large as memory is wasted.
Platforms affected
All
Problem
Altering the thread stack size from 128KB to 256KB for HP Output Server.
Solution
The default thread stack size is 256KB on UNIX and on 32-bit Windows operating systems. This value is appropriate
for almost all situations, and provides adequate reserve memory. In HP Output Server the default thread stack size is
changed from 128KB to 256KB to meet higher memory requirement for applications running on higher load. Thus
the value of the thread stack size for HP Output Server is changed to make it consistent with the operating system.
There is no procedure available to measure and set an exact value for thread stack size for any particular application
and it varies for individual applications.
The value of the thread stack size is determined by the factors affecting the thread stack size, which are:
•
The amount of memory usage.
•
The number of CPUs.
•
The number of threads in the pool.
•
The load the application is required to handle.
The accurate value of the thread stack size is set based on the above parameters.
Scenarios for changing the value of the thread stack size
The following are a few scenarios when the thread stack size can be modified:
HP Output Server 3.5
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