def restartRemoteActiveNN(cls, wait=10, host=None):
if host == None:
host = Config.get("falcon", "HOST2")
active_namenode = cls.getActiveNN(host, "NAMENODE")
logger.info("Current Active NameNode Before Killing %s" %
active_namenode)
Hadoop.killService('namenode', hdfs_user, active_namenode)
cls.stopComponent(host, "NAMENODE", active_namenode)
time.sleep(wait)
cls.startComponent(host, "NAMENODE", active_namenode)
logger.info("Active NameNode After Restart %s" % active_namenode)
return
def restartRemoteActiveRM(cls, wait=20, host=None):
if host == None:
host = Config.get("falcon", "HOST2")
active_RM = cls.getActiveRM(host, "RESOURCEMANAGER")
logger.info("Current Active ResourceManager Before Killing %s" %
active_RM)
service = 'resourcemanager'
yarn_user = Config.get('hadoop', 'YARN_USER')
pidFile = None
if not Machine.isWindows():
pidFile = os.path.join(Config.get('hadoop',
'YARN_PID_DIR'), yarn_user,
'yarn-%s-%s.pid' % (yarn_user, service))
Hadoop.killService(service, yarn_user, active_RM, pidFile=pidFile)
cls.stopComponent(host, "RESOURCEMANAGER", active_RM)
time.sleep(wait)
cls.startComponent(host, "RESOURCEMANAGER", active_RM)
active_namenode = cls.getActiveRM(host, "RESOURCEMANAGER")
logger.info("Active ResourceManager After Restart %s" %
active_namenode)
return
