add log tracing info in failure detector
fix error messages in admin client
add OFFLINE_SERVER state
add admin request handler and admin command for offline state
separate online services from all voldemort services
add streaming switch in metadata store
add ro-fetch switch and unit test
add set-offline admin command in meta set
Correct ancient line & other things in Readme
ReplaceNodeCLI command

The checkin adds a command to replace node. It takes in the old cluster
URL and node id to be replaced and the new cluster URL. It modifies the
old cluster to remove the old node and adds the new node in place. It
automatically restores the data from the other nodes in the old cluster
to the new node.
Merge branch 'hostswap'
Voldemort release 1.9.3

Release voldemort version 1.9.3
Fix proximity list on 2 zone config

Fix the proximity list on 2 zone config
Create separate failure detector for slop pusher
Rename StoreVerifier to ConnectionVerifier
Refactor Client Traffic Verifier into its own class

Refactored the client traffic verifier into its own class.
No code change is done. This is just moving code into a new seperate
class file and renaming the instantiation and references.
Other refactorings will follow this checkin.
Releasing Voldemort 1.9.4
create admin api to return read-only storage file list
RO tool that tells (1)source fileName(2)source node(3)fileName at destination

This is important for RO host swap where SRE's need to find out where to copy the
from and what to name it on the destination node
Productionize ReadOnlyReplicationHelper

- Rename ReadOnlyHostSwapCLI -> REadOnlyReplicationHelper
- Create unit test to verify the correctness
- Change input from Cluster to BootstrapUrl to fit admin environment
- Fix bugs and re-format help menu