Logging >> File Pre-allocation Size

NI-DAQmx C Reference Help

Edition Date: January 2019

Part Number: 370471AM-01

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Data Type: uInt64
Description: Specifies a size in samples to be used to pre-allocate space on disk. Pre-allocation can improve file I/O performance, especially in situations where multiple files are being written to disk. For finite tasks, the default behavior is to pre-allocate the file based on the number of samples you configure the task to acquire.


You can get/set/reset this property using:

  DAQmxGetLoggingFilePreallocationSize

  DAQmxSetLoggingFilePreallocationSize

  DAQmxResetLoggingFilePreallocationSize

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