tree 789d78e89fe29278adf4d7859d97c3fa42300abf
parent d871e6570fe49cab56fcec37d3a8a6bd91afbe4d
author Sijie Guo <sijieg@twitter.com> 1482976032 -0800
committer Sijie Guo <sijieg@twitter.com> 1483006410 -0800

DL-163: clean up direct zookeeper and bookkeeper usage and use metadata/data store abstraction

- introduce NamespaceDriver class to manage metadata/data store abstractions
- clean up direct zookeeper and bookkeeper usage and use metadata/data store abstraction
- separate MetadataAccessor from DistributedLogManager
- remove deprecated classes