Snapshotting (freezing the state of a volatile index) and compaction (merging...

Snapshotting (freezing the state of a volatile index) and compaction (merging base index with snapshotted volatile index)

git-svn-id: https://babudb.googlecode.com/svn/trunk@280 d4c7dd96-b7b2-11dd-893d-d98698f66bbf