1.注销实例的API或者SDK（deregisterInstance）,会导致该条记录消失，如果只是modifyinstance,会导致永远驻留在数据中
2.游戏区做了迁移或者IP漂移的话，老的脏数据还是会在服务器列表里，没法通过zoneid去覆盖，只能通过人工去把该节点下线
3.目前为了减少线程占用，dir和game的底层用的是nacos API，基于http client封装，但为了实时同步（subscribe），dir服又同时用了nacos SDK
4.用Nacos SDK 的话，进程会新增10几个线程
5.每次有区服更新，会导致全量同步
- 同步时冗余数据过多
{ "name":"game@@game", "groupName":"game", "clusters":"game", "cacheMillis":10000, "hosts":[ { "instanceId":"░░░░░░░░░░░#8888#game#game@@game", "ip":"░░░░░░░░░░░", "port":8888, "weight":1, "healthy":true, "enabled":true, "ephemeral":true, "clusterName":"game", "serviceName":"game@@game", "metadata":{ "serverVersion":"0.0.1-433d9d4[1801]-S20210910R1", "debug":"true", "envNamespace":"idc-test", "worldId":"1", "type":"game", "tcpPort":"8888", "innerPort":"9527", "instanceId":"1", "serverType":"2", "name":"master服", "startTime":"2021-09-10 10:59:24", "id":"1", "innerIp":"░░░░░░░░░░░", "externalIp":"░░░░░░░░░░░", "webPort":"10086", "status":"0" }, "instanceHeartBeatInterval":5000, "instanceHeartBeatTimeOut":15000, "ipDeleteTimeout":30000 }, { "instanceId":"░░░░░░░░░░░#8888#game#game@@game", "ip":"░░░░░░░░░░░, "port":8888, "weight":1, "healthy":true, "enabled":true, "ephemeral":true, "clusterName":"game", "serviceName":"game@@game", "metadata":{ "serverVersion":"0.0.1-d14d1c9[1792]-S20210909R1", "debug":"true", "envNamespace":"idc-test", "worldId":"2", "type":"game", "tcpPort":"8888", "innerPort":"9527", "instanceId":"0", "serverType":"0", "name":"idc-weekly服", "startTime":"2021-09-09 23:04:43", "id":"2", "innerIp":"░░░░░░░░░░░", "externalIp":"░░░░░░░░░░░", "webPort":"10086", "status":"0" }, "instanceHeartBeatInterval":5000, "instanceHeartBeatTimeOut":15000, "ipDeleteTimeout":30000 }, { "instanceId":"░░░░░░░░░░░#8888#game#game@@game", "ip":"░░░░░░░░░░░", "port":8888, "weight":1, "healthy":true, "enabled":true, "ephemeral":true, "clusterName":"game", "serviceName":"game@@game", "metadata":{ "serverVersion":"0.0.1-d14d1c9[1792]-S20210909R1", "debug":"true", "envNamespace":"idc-test", "worldId":"1", "type":"game", "tcpPort":"8888", "innerPort":"9527", "instanceId":"0", "serverType":"0", "name":"idc-jsq服", "startTime":"2021-09-09 22:13:23", "id":"3", "innerIp":"░░░░░░░░░░░", "externalIp":"░░░░░░░░░░░", "webPort":"10086", "status":"0" }, "instanceHeartBeatInterval":5000, "instanceHeartBeatTimeOut":15000, "ipDeleteTimeout":30000 } ], "lastRefTime":1631243287693, "checksum":"", "allIPs":false, "reachProtectionThreshold":false, "valid":true }
