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From joshelser <...@git.apache.org>
Subject [GitHub] accumulo pull request: ACCUMULO-626 Iterator fuzzer/tester
Date Mon, 09 Nov 2015 19:41:04 GMT
Github user joshelser commented on the pull request:

    https://github.com/apache/accumulo/pull/50#issuecomment-155168971
  
    > For iterators that can be run at major compaction, how can we exercise delete keys?
    
    Very good question! The completely mocked-out IteratorEnvironment is a sign that I haven't
thought past the scan case. I'm not even sure if the ColumnFiltering iterator with SortedMapIterator
is even a 100% valid in-memory reproduction of how it works in a TabletServer.
    
    I had left input entirely up to the user, so I'm not sure of a simple way to test deletions
without potentially messing up some expected table structure. There are some tricky edge cases
at compaction that I haven't yet considered how to encapsulate. Combiners on non-full compactions
are another good example.


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