Parameters > Citect.ini File Parameters > IOServer Parameters > [IOServer]CacheReadAhead


Determines if read ahead caching is enabled on the I/O Server. When read ahead caching is enabled, the I/O Server will try to read any I/O device data which is coming close to cache 'timeout" time. The I/O Server will only read this data if the communication channel to the I/O device is idle - to give higher priority to other read requests.

Allowable Values:

Default Value: 1

See Also