REUSEDLT and performance

["Joe Pluta" <joepluta@xxxxxxxxxxxxxxxxx>]

Are there performance implications when using REUSEDLT, especially on really 
large files? I have to think that there is at least some performance hit when 
REUSEDLT is enabled for files with millions of records. I'd guess that the 
system keeps some sort of index of deleted records, and serves one of those up 
when a WRITE is issued. I suppose, done correctly, the performance implications 
aren't too great; it would only affect deletes (add an entry to the index) and 
writes (fetch the record number from the index rather than just use the next 
sequential record).

Has anybody looked at this in any detail?
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