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John Allen wrote:
<<SNIP>>
I then compare the file size (using DSPOBJD) and the new file
with the variable length field is quite a bit larger than the
old file with the fixed length field.
I expected to see a smaller object size?
Or am I looking in the wrong place to compare the before and
after sizes?
The DSPOBJD is inappropriate for comparing the data sizes. Use
the "Data space size" from member portion of the DSPFD. Also the
manner of /copy/ influences the dataspace size so until the amount
of data becomes very large, simple comparisons are not generally
valid. Already clarified in other posts, the use of RGZPFM to
reorganize the data in both copies can assist to make such size
comparisons more accurate; consider that the auxiliary SID has
different rules for reorg than the primary data segments, so there
may still remain some issues is simple comparisons. In another post
I note that two reorganize requests may truncate the aux SID. Doug
posted even better information, and the various SIZE values in the
DST MI object dump will be most accurate to pinpoint individual
pieces of storage being taken.
Regards, Chuck
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