Re: Concatenation order in STEPLIB
Time can vary, for example, due to the amount of time to locate a directory
entry.
When you load a module, the system must first find its directory entry.
For a concatenation, this typically involves searching each data sets's
directory in sequence (as it is necessary to find the copy of the module in
the first data set in the concatenation in which that module lives).
The LNKLST, when LLA is managing the entire LNKLST, is an exception, as LLA
maintains the complete LNKLST directory in one structure and thus does not
have to search individual data sets at LOAD time..
Peter Relson
z/OS Core Technology Design
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