Summary
Controlling Page Size and the Number of Buffers
When you read a SAS
data set or an external file, I/O is measured when input data is copied
to the buffer in memory and when it is copied from the output buffer
to the output data set.
A page is the unit of
data transfer between the storage device and memory.
Increasing the page
size can speed up execution time by reducing the number of times SAS
has to read from or write to the storage medium. You can use the CONTENTS
procedure to report the page size and the number of pages.
You can use the BUFSIZE= system option or data set option to control the page size of an output SAS data set. The new buffer size is permanent. After it is specified, it is used whenever the data set is processed. ...
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