NI-DAQmx Properties

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Logging:File Pre-allocation Size Property

Logging:File Pre-allocation Size Property

Short Name: Logging.FilePreallocationSize

Property of DAQmx Read

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.

Remarks

The following table lists the characteristics of this property.

Permissionsread/write
Resettableyes
Settable while task is runningdevice-specific
Available in Run-Time Engineyes
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