Sure, but not during a compaction that does not involve all the underlying files. The delete keys must be propagated.
I'm not completely familiar with the underlying libraries that help you write iterators, I just know it's a common mistake. On Mon, Aug 31, 2015 at 11:53 PM, Josh Elser <josh.el...@gmail.com> wrote: > Shouldn't the delete be masked at a lower layer (DeletingIterator)? Or am > I forgetting that Combiners see that value somehow (and maybe > SummingCombiner is broken)? > > > Eric Newton wrote: > >> You may be seeing a delete marker. In a compaction, you will see delete >> markers, which have an empty value. You will have to check the delete flag >> on the key before grabbing the Value. >> >> -Eric >> >> On Mon, Aug 31, 2015 at 8:28 PM, z11373<z11...@outlook.com> wrote: >> >> Thanks Josh! I am going to do more experiments, because this is really >>> weird. >>> I'll post the update if there are any interesting stuff I found out >>> later. >>> >>> Thanks, >>> Z >>> >>> >>> >>> -- >>> View this message in context: >>> >>> http://apache-accumulo.1065345.n5.nabble.com/exception-thrown-during-minor-compaction-tp15010p15017.html >>> Sent from the Developers mailing list archive at Nabble.com. >>> >>> >>