ManateePostgres 自動(dòng)故障轉(zhuǎn)移
Manatee 是一個(gè)基于ZooKeeper的系統(tǒng)能夠管理Postgres的備份和自動(dòng)故障轉(zhuǎn)移,Manatee和Moray共同提供高可用的鍵值服務(wù)。
客戶端代碼:
var manatee = require('node-manatee');
var client = manatee.createClient({
"path": "/manatee/1",
"zk": {
"connectTimeout": 2000,
"servers": [{
"host": "172.27.10.97",
"port": 2181
}, {
"host": "172.27.10.90",
"port": 2181
}, {
"host": "172.27.10.101",
"port": 2181
}],
"timeout": 20000
}
});
client.once('ready', function () {
console.log('manatee client ready');
});
client.on('topology', function (urls) {
console.log({urls: urls}, 'topology changed');
});
client.on('error', function (err) {
console.error({err: err}, 'got client error');
});評(píng)論
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