dain/leveldb — comment on commit 36ebd8deb8a406490e2bc37f0f847df3d23c4893
File: leveldb/src/main/java/org/iq80/leveldb/util/MergingIterator.java line 15
By dain:

Have you run the benchmarks lately. I expect that this change will zap 10-20% of the performance. The code was unrolled to avoid polymorphic call sites which kill the performance of this code.