Datanode Related¶

GET¶

curl -v "http://10.196.59.198:17010/dataNode/get?addr=10.196.59.201:17310"  | python -m json.tool

Show the base information of the dataNode, such as addr, disk total size, disk used size and so on.

Parameters¶
Parameter	Type	Description
addr	string	the addr which communicate with master

response

{
    "TotalWeight": 39666212700160,
    "UsedWeight": 2438143586304,
    "AvailableSpace": 37228069113856,
    "ID": 2,
    "Zone": "zone1",
    "Addr": "10.196.59.201:17310",
    "ReportTime": "2018-12-06T10:56:38.881784447+08:00",
    "IsActive": true
    "UsageRatio": 0.06146650815226848,
    "SelectTimes": 5,
    "Carry": 1.0655859145960367,
    "DataPartitionReports": {},
    "DataPartitionCount": 21,
    "NodeSetID": 3,
    "PersistenceDataPartitions": {},
    "BadDisks": {}
}

Decommission¶

curl -v "http://10.196.59.198:17010/dataNode/decommission?addr=10.196.59.201:17310"

Remove the dataNode from cluster, data partitions which locate the dataNode will be migrate other available dataNode asynchronous.

Parameters¶
Parameter	Type	Description
addr	string	the addr which communicate with master