[Info-vax] Example of random access by record number on an RMS fixed record size, relative organization file?
Arne Vajhøj
arne at vajhoej.dk
Wed Sep 20 19:33:06 EDT 2023
On 9/20/2023 12:18 AM, Hein RMS van den Heuvel wrote:
> Yes indeed traditionally folks only had half a clue about RMS and vaguely know 512 was a special value and very popular.
>
> With that they proceeded to maximize their storage losses.
>
> The one flag byte overhead relative file records have (plus two for variable) makes the cells larger than 512
> By default FORTRANT/RMS will now use the default 2 block bucketsize
> Thus wasting 511 (509) bytes per 512 byte record.
I could have used recl=508.
:-)
Arne
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