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USS User Limits

Use the parmlib settings defined in BPXPRMxx to control the amount of resources consumed by individual z/OS UNIX users.

The new resources and the access allowed by the resource are:

ASSIZE

Specifies the maximum address space region size allowed per process created via rlogin or telnet.

Range: 10,485,760 to 2,147,483,647

Member: Maxassize

MMAPAREA

Specifies the maximum amount of dataspace storage (pages) that can be allocated for memory mapping of HFS files.

Range: 1 to 16,777,216

Member: Maxmmaparea

OEFILEP

Specifies the maximum number of files that a single process can have active or open concurrently.

Range: 3 to 65,535

Member: Maxfileproc

PROCUSER

Specifies the maximum number of processes a user can have open at the same time.

Range: 3 to 32,767

Member: Maxprocuser.

OECPUTM

Specifies the maximum time (seconds) a process is allowed to use.

Range: 7 to 2,147,483,647

Member: Maxcputime

THREADS

Specifies the maximum number of pthread_created threads, including those running, queued, and exited but not detached, that a single process can have concurrently active.

Range: 0 to 100,000

Member: Maxthreads