READSEMA

The READSEMA option specifies whether the system attempts to gain a semaphore for shared files when I/O operations are performed that do not modify the file.

Syntax:
READSEMA={ON|OFF}
Parameters:
ON Attempt to gain a semaphore for every file operation, including READ and START operations.
OFF Do not attempt to gain a semaphore for shared files during operations such as READ and START.
Properties:
Default: OFF
Comments:

Where a file is being read by multiple users, to enhance throughput set this parameter to OFF.