Hadoop ZKFC
The ZKFailoverController (ZKFC) is a new component which is a ZooKeeper client which also monitors and manages the state of the NameNode. Each of the machines which runs a NameNode also runs a ZKFC, and that ZKFC is responsible for Health monitoring, ZooKeeper session management, ZooKeeper-based election.
module.exports = ->
'configure': [
'ryba/hadoop/core'
'ryba/hadoop/zkfc/configure'
'ryba/hadoop/hdfs_nn/configure'
]
'check':
'ryba/hadoop/zkfc/check'
'install': [
'masson/core/iptables'
'ryba/hadoop/zkfc/install'
'ryba/hadoop/zkfc/start'
'ryba/hadoop/zkfc/check'
]
'start':
'ryba/hadoop/zkfc/start'
'stop':
'ryba/hadoop/zkfc/stop'
'status':
'ryba/hadoop/zkfc/status'