Question

我有3个mongodb正在运行的实例，都是"priority" : 1。我用pymongo运行一个gunicorn应用程序，偶尔（也许每月一次，大部分时间工作正常）它无法找到ServerSelectionTimeoutError: No primary available for writes的主节点。

我可以从客户端机器telnet到mongo主机，我可以通过命令行界面访问数据库，所有mongo主机看起来都是活着的。你能给我一个解决这个问题的建议吗？

一些配置设置以：

开头

mongo:SECONDARY> db.isMaster()
{
    "hosts" : [
        "mongo-db01h.myhost.net:27017",
        "mongo-db01e.myhost.net:27017",
        "mongo-db01i.myhost.net:27017"
    ],
    "setName" : "mongo",
    "setVersion" : 24,
    "ismaster" : false,
    "secondary" : true,
    "primary" : "mongo-db01h.myhost.net:27017",
    "me" : "mongo-db01e.myhost.net:27017",
    "maxBsonObjectSize" : 16777216,
    "maxMessageSizeBytes" : 48000000,
    "maxWriteBatchSize" : 1000,
    "localTime" : ISODate("2017-08-23T14:25:40.598Z"),
    "maxWireVersion" : 4,
    "minWireVersion" : 0,
    "ok" : 1
}
mongo:SECONDARY> rs.conf()
{
    "_id" : "mongo",
    "version" : 24,
    "protocolVersion" : NumberLong(1),
    "members" : [
        {
            "_id" : 5,
            "host" : "mongo-db-backup01h.myhost.net:27017",
            "arbiterOnly" : false,
            "buildIndexes" : true,
            "hidden" : true,
            "priority" : 0,
            "tags" : {    

            },
            "slaveDelay" : NumberLong(0),
            "votes" : 0
        },
        {
            "_id" : 6,
            "host" : "mongo-db01h.myhost.net:27017",
            "arbiterOnly" : false,
            "buildIndexes" : true,
            "hidden" : false,
            "priority" : 1,
            "tags" : {    

            },
            "slaveDelay" : NumberLong(0),
            "votes" : 1
        },
        {
            "_id" : 8,
            "host" : "mongo-db-backup02h.myhost.net:27017",
            "arbiterOnly" : false,
            "buildIndexes" : true,
            "hidden" : true,
            "priority" : 0,
            "tags" : {    

            },
            "slaveDelay" : NumberLong(0),
            "votes" : 0
        },
        {
            "_id" : 9,
            "host" : "mongo-db01e.myhost.net:27017",
            "arbiterOnly" : false,
            "buildIndexes" : true,
            "hidden" : false,
            "priority" : 1,
            "tags" : {    

            },
            "slaveDelay" : NumberLong(0),
            "votes" : 1
        },
        {
            "_id" : 10,
            "host" : "mongo-db01i.myhost.net:27017",
            "arbiterOnly" : false,
            "buildIndexes" : true,
            "hidden" : false,
            "priority" : 1,
            "tags" : {    

            },
            "slaveDelay" : NumberLong(0),
            "votes" : 1
        }
    ],
    "settings" : {
        "chainingAllowed" : true,
        "heartbeatIntervalMillis" : 2000,
        "heartbeatTimeoutSecs" : 10,
        "electionTimeoutMillis" : 10000,
        "getLastErrorModes" : {    

        },
        "getLastErrorDefaults" : {
            "w" : 1,
            "wtimeout" : 0
        }
    }
}

Pymongo无法重新连接

0 个答案: