Correct corner cases when instances are missing, added and the
order of instances is random between consecutive pmFetch calls.
Also added some more verbose diags around this code.
All triggered by the bizarre sample.scramble metrics recently
added to the sample PMDA.
Derived metrics - minor fix up for fetch
Correct corner cases when instances are missing, added and the
order of instances is random between consecutive pmFetch calls.
Also added some more verbose diags around this code.
All triggered by the bizarre sample.scramble metrics recently
added to the sample PMDA.