z/OS DFSORT Messages, Codes and Diagnosis Guide
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ICE255I

z/OS DFSORT Messages, Codes and Diagnosis Guide
SC23-6879-00

ICE255I
ddname STATISTICS MAY BE INCORRECT - FILSZ=EN MAY IMPROVE RESOURCE USAGE AND PERFORMANCE

Explanation

DFSORT could not be certain that the data set information provided by Catalog was correct for this sort application. The catalog entry for this data set indicated that the component was not closed properly and the statistics for the data set are invalid.

Generally, DFSORT can automatically determine the input file size. However, in a few cases, such as when the catalog statistics are invalid, DFSORT may not be able to determine an accurate file size.

System action

None.

Programmer response

None required, unless you receive message ICE046A or ICE083A, in which case you should specify FILSZ=En with a reasonably accurate estimate of the number of records to be sorted.

You may want to specify FILSZ=En even if you don’t receive message ICE046A or ICE083A, because doing so may improve resource usage and performance.

For more information regarding the cause of the invalid statistics, or the steps necessary to correct the statistics, see the "STA: Statistics Group" section of z/OS DFSMS Access Method Services Commands.

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