{"action":"opened","issue":{"url":"https://api.github.com/repos/wandoulabs/codis/issues/476","labels_url":"https://api.github.com/repos/wandoulabs/codis/issues/476/labels{/name}","comments_url":"https://api.github.com/repos/wandoulabs/codis/issues/476/comments","events_url":"https://api.github.com/repos/wandoulabs/codis/issues/476/events","html_url":"https://github.com/wandoulabs/codis/issues/476","id":111094578,"number":476,"title":"两台codis proxy 十几个实例，突然全部挂掉","user":{"login":"xiaomabetter","id":13087771,"avatar_url":"https://avatars.githubusercontent.com/u/13087771?v=3","gravatar_id":"","url":"https://api.github.com/users/xiaomabetter","html_url":"https://github.com/xiaomabetter","followers_url":"https://api.github.com/users/xiaomabetter/followers","following_url":"https://api.github.com/users/xiaomabetter/following{/other_user}","gists_url":"https://api.github.com/users/xiaomabetter/gists{/gist_id}","starred_url":"https://api.github.com/users/xiaomabetter/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/xiaomabetter/subscriptions","organizations_url":"https://api.github.com/users/xiaomabetter/orgs","repos_url":"https://api.github.com/users/xiaomabetter/repos","events_url":"https://api.github.com/users/xiaomabetter/events{/privacy}","received_events_url":"https://api.github.com/users/xiaomabetter/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-10-13T03:08:24Z","updated_at":"2015-10-13T03:08:24Z","closed_at":null,"body":"9月中旬最新上线的codis，使用的版本是2.0，到目前为止发生过4次codis全部一次性挂掉的情况了，使用的zk集群是3个，跟codis proxy在不同的server上，报错的log 提示：\r\n2015/10/10 09:06:28 topology.go:147: [PANIC] session expired: {Type:EventNotWatching State:StateDisconnected Path:/zk/codis/db_codis_9930/actions Err:zk: session has been expired by the server}\r\n[stack]: \r\n    0   /apps/codis/src/github.com/wandoulabs/codis/pkg/proxy/topology.go:147\r\n            github.com/wandoulabs/codis/pkg/proxy.(*Topology).doWatch\r\n        ... ...\r\n奇怪的是在7月份上线过一个版本，使用的同一个zk集群，proxy 一直很稳定，没挂过"}}