{
  "configurations" : [
    {
      "hdfs-site": {
        "properties": {
          "dfs.replication": "1"
        }
      }
    },
     {
        "yarn-site" : {
          "properties_attributes" : { },
          "properties" : {
            "yarn.nodemanager.resource.memory-mb" : "3072",
            "yarn.scheduler.minimum-allocation-mb" : "1024",
            "yarn.scheduler.maximum-allocation-mb" : "3072"
          }
        }
      },
      {
        "yarn-env" : {
          "properties" : {
            "apptimelineserver_heapsize" : "1024",
            "resourcemanager_heapsize" : "1024",
            "yarn_heapsize" : "1024",
            "nodemanager_heapsize" : "1024"
          }
        }
      },
     {
        "hbase-env" : {
          "properties" : {
            "hbase_regionserver_xmn_max" : "512",
            "hbase_master_heapsize" : "1024",
            "hbase_regionserver_heapsize" : "1024"
          }
        }
      },
       {
          "mapred-site" : {
            "properties" : {
              "mapreduce.reduce.java.opts" : "-Xmx1638m",
              "mapreduce.task.io.sort.mb" : "573",
              "mapreduce.map.memory.mb" : "1024",
              "mapreduce.reduce.memory.mb" : "2048",
              "yarn.app.mapreduce.am.command-opts" : "-Xmx819m -Dhdp.version=${hdp.version}",
              "mapreduce.map.java.opts" : "-Xmx819m",
              "yarn.app.mapreduce.am.resource.mb" : "1024"
            }
          }
        },
    {
      "hadoop-env" : {
        "properties" : {
          "hadoop_heapsize" : "1024",
          "dtnode_heapsize" : "1024m",
          "namenode_opt_newsize" : "128m",
          "namenode_heapsize" : "2048m",
          "namenode_opt_maxpermsize" : "256m",
          "nfsgateway_heapsize" : "1024",
          "namenode_opt_maxnewsize" : "128m",
          "namenode_opt_permsize" : "128m"
        }
      }
    },
    {
      "storm-site" : {
        "properties" : {
          "storm.messaging.netty.buffer_size" : "5242880",
          "topology.transfer.buffer.size" : "1024",
          "drpc.childopts" : "-Xmx768m _JAAS_PLACEHOLDER",
          "logviewer.childopts" : "-Xmx128m _JAAS_PLACEHOLDER",
          "topology.executor.receive.buffer.size" : "1024",
          "drpc.queue.size" : "128",
          "topology.executor.send.buffer.size" : "1024",
          "ui.childopts" : "-Xmx768m _JAAS_PLACEHOLDER",
          "nimbus.thrift.max_buffer_size" : "1048576",
          "topology.classpath" : "/etc/hbase/conf:/etc/hadoop/conf"
        }
      }
    },
    {
      "mapred-env" : {
        "properties" : {
          "jobhistory_heapsize" : "900"
        }
      }
    }


  ],
  "host_groups" : [
    {
      "components" : [
        {
          "name" : "SECONDARY_NAMENODE"
        },
        {
          "name" : "HDFS_CLIENT"
        },
        {
          "name" : "HBASE_CLIENT"
        },
        {
          "name" : "HISTORYSERVER"
        },
        {
          "name" : "APP_TIMELINE_SERVER"
        },
        {
          "name" : "SUPERVISOR"
        },
        {
          "name" : "RESOURCEMANAGER"
        }
      ],
      "configurations" : [ ],
      "name" : "master_2",
      "cardinality" : "1"
    },
    {
      "components" : [
        {
          "name" : "ZOOKEEPER_SERVER"
        },
        {
          "name" : "STORM_UI_SERVER"
        },
        {
          "name" : "NAMENODE"
        },
        {
          "name" : "NIMBUS"
        },
        {
          "name" : "SUPERVISOR"
        },
        {
          "name" : "DRPC_SERVER"
        },
         {
          "name" : "HDFS_CLIENT"
        },
        {
          "name" : "HBASE_CLIENT"
        }
      ],
      "configurations" : [ ],
      "name" : "master_1",
      "cardinality" : "1"
    },
    {
      "components" : [
        {
          "name" : "NODEMANAGER"
        },
        {
          "name" : "KAFKA_BROKER"
        },
        {
          "name" : "MAPREDUCE2_CLIENT"
        },
        {
          "name" : "YARN_CLIENT"
        },
        {
          "name" : "HDFS_CLIENT"
        },
        {
          "name" : "HBASE_CLIENT"
        },
        {
          "name" : "DATANODE"
        },
        {
          "name" : "SUPERVISOR"
        },
        {
          "name" : "ZOOKEEPER_CLIENT"
        }
      ],
      "configurations" : [ ],
      "name" : "master_4",
      "cardinality" : "1"
    },
    {
      "components" : [
        {
          "name" : "HDFS_CLIENT"
        },
        {
          "name" : "HBASE_REGIONSERVER"
        },
        {
          "name" : "SUPERVISOR"
        },
        {
          "name" : "HBASE_MASTER"
        },
         {
          "name" : "HDFS_CLIENT"
        },
        {
          "name" : "HBASE_CLIENT"
        }
      ],
      "configurations" : [ ],
      "name" : "master_3",
      "cardinality" : "1"
    }
  ],
  "Blueprints" : {
    "blueprint_name" : "docker-metron",
    "stack_name" : "HDP",
    "stack_version" : "2.4"
  }
}