To improve the processing performance, this Natural profile parameter can be used to define the size of a storage thread for running in z/OS or z/VSE batch mode or under TSO.
Possible settings | 256 - 2097151 or 0 |
Thread size in KB. | |
---|---|---|---|
Default setting | 0 |
No thread used. | |
Dynamic specification | yes | ||
Specification within session | no |
Notes:
GETMAIN
/FREEMAIN
)
within this thread instead of passing it to the operating system. The thread
must be large enough to contain all fixed size buffers. If the thread is full,
variable sized buffers may be allocated outside the thread, provided that
profile parameter OVSIZE
allows this.
THSIZE
is ignored if it
is specified in a parameter string activated by a SYS
or
PROFILE
profile
parameter or in an alternative
Natural
parameter module (as specified with the PARM
profile parameter).
THSIZE
can reduce
the number of switches into TCB mode, because of the reduced number of physical
GETMAIN
s. The same applies if profile parameter
WPSIZE
is
used.
THSIZE=5000