HA

    1. databaseName: database_discovery_db
    3. dataSources:
    4.   ds_0:
    5.     url: jdbc:mysql://127.0.0.1:33306/primary_demo_ds?serverTimezone=UTC&useSSL=false
    6.     username: root
    7.     password:
    8.     connectionTimeoutMilliseconds: 3000
    9.     idleTimeoutMilliseconds: 60000
    10.     maxLifetimeMilliseconds: 1800000
    11.     maxPoolSize: 50
    12.     minPoolSize: 1
    13.   ds_1:
    14.     url: jdbc:mysql://127.0.0.1:33307/primary_demo_ds?serverTimezone=UTC&useSSL=false
    15.     username: root
    16.     connectionTimeoutMilliseconds: 3000
    18.     maxLifetimeMilliseconds: 1800000
    19.     maxPoolSize: 50
    20.     minPoolSize: 1
    21.   ds_2:
    22.     url: jdbc:mysql://127.0.0.1:33308/primary_demo_ds?serverTimezone=UTC&useSSL=false
    23.     username: root
    24.     password:
    25.     connectionTimeoutMilliseconds: 3000
    26.     idleTimeoutMilliseconds: 60000
    27.     maxLifetimeMilliseconds: 1800000
    28.     maxPoolSize: 50
    29.     minPoolSize: 1
    31. rules:
    32. - !READWRITE_SPLITTING
    33.   dataSources:
    34.     replica_ds:
    36. - !DB_DISCOVERY
    37.   dataSources:
    38.     readwrite_ds:
    39.       dataSourceNames:
    40.         - ds_0
    41.         - ds_1
    42.         - ds_2
    43.       discoveryHeartbeatName: mgr_heartbeat
    44.       discoveryTypeName: mgr
    45.   discoveryHeartbeats:
    46.     mgr_heartbeat:
    47.       props:
    48.         keep-alive-cron: '0/5 * * * * ?'
    49.   discoveryTypes:
    50.     mgr:
    51.       type: MySQL.MGR
    52.       props:
    53.         group-name: 558edd3c-02ec-11ea-9bb3-080027e39bd2