Does anyone know what Free Record Chains are and how they work ? The
Activity option of PROMON show a value for "FR Chains", but it is
undocumented. Our database always shows 0 blocks, but the examples in the
SA books show numbers like 16 blocks. Progress support has no clue, nor
do they have any documentation.
If Progress is like other databases, I think this is an indication of the
fragmentation of records. Here's how I think it works (if you know
different, I would apreciate a posting here) :
Deleted records provide free records which are added to the FR chain.
New records are stored in these holes (using the FR chain), or at the
high-water mark if there are no free records. This means that there
should be no FR chains if you have never deleted any records, right ?
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