keith-turner commented on PR #3355:
URL: https://github.com/apache/accumulo/pull/3355#issuecomment-1527800231

   Looking into a bit more the initial MapFileIterator is at the lowest level s 
of the stack.  For scan and compaction it would have iterators like the 
ProblemReportingIterator and TimeSettingIterator layered on top of the initial 
MapFileITerator.  If deep copy is called on the stack it will go down through 
ProblemReportingIterator and TimeSettingIterator, so there is no need to set 
those up at the lowest level because they are already at higher levels.  Since 
its so low in the stack it should be doing very minimal and I think this 
changes looks good.  Would keep the config passed into the constructor.


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