MultiIterator[1] which is a HeapIterator[2] is used to merge rfiles. [1]: https://github.com/apache/accumulo/blob/c99a22387bfe3f2de93c6a27727d7b38054a699b/core/src/main/java/org/apache/accumulo/core/iterators/system/MultiIterator.java [2]: https://github.com/apache/accumulo/blob/c99a22387bfe3f2de93c6a27727d7b38054a699b/core/src/main/java/org/apache/accumulo/core/iterators/system/HeapIterator.java
On Mon, Aug 12, 2019 at 7:27 AM Jeff Kubina <[email protected]> wrote: > > Could someone tell me the algorithm or data structure used for selecting > the next record when merging a set of rfiles, or where in the code base the > operation occurs? Thanks.
