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MP/204 system flags
- Default value
- Parameter type
- Where set
- On User 0's parameter line or reset by system manager
- Related products
- Model 204 V5.1
This parameter indicates a system-wide MP/204 processing option and applies only to z/OS.
This parameter is ignored when Model 204 is not running with MP/204 enabled.
|X'01'||A thread should continue spinning on an MP lock even if it appears that the task holding the lock cannot be dispatched.||In many situations, continuing to spin provides better performance than doing an operating system wait for the lock to free up.|
|X'02'||A thread should stay on the maintask after getting a critical file resource.||To improve performance at an MP/204 site that is encountering a lot of task switching (a high STDEQ system statistic) and a lot of critical file resource conflicts.|