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also protect the time variable?","created_at":"2015-08-26T05:49:50Z","updated_at":"2015-08-26T05:49:50Z","html_url":"https://github.com/coreos/etcd/pull/3376#discussion_r37948242","pull_request_url":"https://api.github.com/repos/coreos/etcd/pulls/3376","_links":{"self":{"href":"https://api.github.com/repos/coreos/etcd/pulls/comments/37948242"},"html":{"href":"https://github.com/coreos/etcd/pull/3376#discussion_r37948242"},"pull_request":{"href":"https://api.github.com/repos/coreos/etcd/pulls/3376"}}},"pull_request":{"url":"https://api.github.com/repos/coreos/etcd/pulls/3376","id":43359886,"html_url":"https://github.com/coreos/etcd/pull/3376","diff_url":"https://github.com/coreos/etcd/pull/3376.diff","patch_url":"https://github.com/coreos/etcd/pull/3376.patch","issue_url":"https://api.github.com/repos/coreos/etcd/issues/3376","number":3376,"state":"open","locked":false,"title":"etcdserver: specify request timeout error due to connection down","user":{"login":"yichengq","id":2976232,"avatar_url":"https://avatars.githubusercontent.com/u/2976232?v=3","gravatar_id":"","url":"https://api.github.com/users/yichengq","html_url":"https://github.com/yichengq","followers_url":"https://api.github.com/users/yichengq/followers","following_url":"https://api.github.com/users/yichengq/following{/other_user}","gists_url":"https://api.github.com/users/yichengq/gists{/gist_id}","starred_url":"https://api.github.com/users/yichengq/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yichengq/subscriptions","organizations_url":"https://api.github.com/users/yichengq/orgs","repos_url":"https://api.github.com/users/yichengq/repos","events_url":"https://api.github.com/users/yichengq/events{/privacy}","received_events_url":"https://api.github.com/users/yichengq/received_events","type":"User","site_admin":false},"body":"It specifies request timeout error possibly caused by connection down,\r\nand print out better log for user to understand.\r\n\r\nIt handles two cases:\r\n1. the leader cannot connect to majority of cluster.\r\n2. the connection between follower and leader is down for a while,\r\nand it losts proposals.\r\n\r\nlog format:\r\n```\r\n20:04:19 etcd3 | 2015-08-25 20:04:19.368126 E | etcdhttp: etcdserver:\r\nrequest timed out, possibly due to network down\r\n20:04:19 etcd3 | 2015-08-25 20:04:19.368227 E | etcdhttp: etcdserver:\r\nrequest timed out, possibly due to network down\r\n```\r\n\r\nfixes #3279 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