ripple/rippled — pull request #569 by JoelKatz (2014-09-22 17:14:09+00:00)
Title: SHAMap performance improvements (RIPD-434)

* Remove mTNByID
* Remove mDirtyNodes
* Much faster traverses
* Faster snapshots
* New algorithm for flushing
* New vistNodes/visitLeaves
* Avoid I/O if a map is unbacked