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  • mongodb的isMaster

    glc-test:PRIMARY> db.isMaster()
    {
            "hosts" : [
                    "xxx:28042",
                    "yyy:28042",
                    "aaa:28042",
                    "bbb:28042",
                    "ccc:28042"
            ],
            "setName" : "glc-test",
            "setVersion" : 13,
            "ismaster" : true,
            "secondary" : false,
            "primary" : "xxx:28042",
            "me" : "xxx:28042",
            "electionId" : ObjectId("7fffffff0000000000000077"),
            "lastWrite" : {
                    "opTime" : {
                            "ts" : Timestamp(1606377817, 1),
                            "t" : NumberLong(119)
                    },
                    "lastWriteDate" : ISODate("2020-11-26T08:03:37Z"),
                    "majorityOpTime" : {
                            "ts" : Timestamp(1606377817, 1),
                            "t" : NumberLong(119)
                    },
                    "majorityWriteDate" : ISODate("2020-11-26T08:03:37Z")
            },
            "maxBsonObjectSize" : 16777216,
            "maxMessageSizeBytes" : 48000000,
            "maxWriteBatchSize" : 100000,
            "localTime" : ISODate("2020-11-26T08:03:40.362Z"),
            "logicalSessionTimeoutMinutes" : 30,
            "minWireVersion" : 0,
            "maxWireVersion" : 7,
            "readOnly" : false,
            "ok" : 1,
            "operationTime" : Timestamp(1606377817, 1),
            "$clusterTime" : {
                    "clusterTime" : Timestamp(1606377817, 1),
                    "signature" : {
                            "hash" : BinData(0,"RUi4U+azZibNg3eFUNRr2mlU8Zg="),
                            "keyId" : NumberLong("6856584343653974019")
                    }
            }
    }

    glc-test:PRIMARY> db.isMaster().ismaster
    true
    glc-test:PRIMARY> db.isMaster().secondary
    false
    glc-test:PRIMARY> db.isMaster().setName
    glc-test
    glc-test:PRIMARY>




    #####################################

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  • 原文地址:https://www.cnblogs.com/igoodful/p/14042866.html
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