监控集群

    • 连接到协调节点
    • 得到集群状态
    1. > db.listReplicaGroups()
    2. {
    3.   "Group": [
    4.     {
    5.       "dbpath": "/opt/sequoiadb/database/cata/11800",
    6.       "HostName": "hostname1",
    7.       "Service": [
    8.         ...
    9.       ],
    10.       "NodeID": 1
    11.     },
    12.     {
    13.       "HostName": "hostname2",
    14.       "dbpath": "/opt/sequoiadb/database/cata/11800",
    15.       "Service": [
    16.         ...
    17.       ],
    18.       "NodeID": 2
    19.     },
    20.     {
    21.       "HostName": "hostname3",
    22.       "dbpath": "/opt/sequoiadb/database/cata/11800",
    23.       "Service": [
    24.       ],
    25.       "NodeID": 3
    26.     }
    27.   ],
    28.   "GroupID": 1,
    29.   "GroupName": "SYSCatalogGroup",
    30.   "PrimaryNode": 1,
    31.   "Role": 2,
    32.   "Status": 1,
    33.   "Version": 3,
    34.   "_id": {
    35.     "$oid": "558b9264de349a1b87451a1d"
    36.   }
    37. }
    38. {
    39.   "Group": [
    40.     {
    41.       "HostName": "hostname1",
    42.       "dbpath": "/opt/sequoiadb/database/data/21100",
    43.       "Service": [
    44.         ...
    45.       ],
    46.       "NodeID": 1000
    47.     },
    48.     {
    49.       "dbpath": "/opt/sequoiadb/database/data/21100",
    50.       "Service": [
    51.         ...
    52.       ],
    53.       "NodeID": 1001
    54.     },
    55.     {
    56.       "HostName": "hostname3",
    57.       "dbpath": "/opt/sequoiadb/database/data/21100",
    58.       "Service": [
    59.         ...
    60.       ],
    61.       "NodeID": 1002
    62.     }
    63.   ],
    64.   "GroupID": 1000,
    65.   "GroupName": "group1",
    66.   "PrimaryNode": 1001,
    67.   "Role": 0,
    68.   "Status": 1,
    69.   "Version": 4,
    70.   "_id": {
    71.     "$oid": "558b9295de349a1b87451a21"
    72.   }
    73. }