hdfs-maint5

hdfs-maint5

namenode-host# echo $((`date +%s` * 1000 + 60 * 60 * 1000))
1492543534000
namenode-host# cat /etc/hadoop/conf/maintenance
{
   "hostName": "datanode-100",
   "Port": 50010,
   "adminState": "IN_MAINTENANCE",
   "maintenanceExpireTimeInMS": 1492543534000
}
{
   "hostName": "datanode-101",
   "Port": 50010,
   "adminState": "IN_MAINTENANCE",
   "maintenanceExpireTimeInMS": 1492543534000
}
{
   "hostName": "datanode-102",
   "Port": 50010,
   "adminState": "IN_MAINTENANCE",
   "maintenanceExpireTimeInMS": 1492543534000
}