{"action":"created","issue":{"url":"https://api.github.com/repos/grpc/grpc-go/issues/2205","repository_url":"https://api.github.com/repos/grpc/grpc-go","labels_url":"https://api.github.com/repos/grpc/grpc-go/issues/2205/labels{/name}","comments_url":"https://api.github.com/repos/grpc/grpc-go/issues/2205/comments","events_url":"https://api.github.com/repos/grpc/grpc-go/issues/2205/events","html_url":"https://github.com/grpc/grpc-go/issues/2205","id":339155149,"node_id":"MDU6SXNzdWUzMzkxNTUxNDk=","number":2205,"title":"'there is no connection available'  and 'the connection is draining' when using nginx","user":{"login":"takakawa","id":6322274,"node_id":"MDQ6VXNlcjYzMjIyNzQ=","avatar_url":"https://avatars1.githubusercontent.com/u/6322274?v=4","gravatar_id":"","url":"https://api.github.com/users/takakawa","html_url":"https://github.com/takakawa","followers_url":"https://api.github.com/users/takakawa/followers","following_url":"https://api.github.com/users/takakawa/following{/other_user}","gists_url":"https://api.github.com/users/takakawa/gists{/gist_id}","starred_url":"https://api.github.com/users/takakawa/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/takakawa/subscriptions","organizations_url":"https://api.github.com/users/takakawa/orgs","repos_url":"https://api.github.com/users/takakawa/repos","events_url":"https://api.github.com/users/takakawa/events{/privacy}","received_events_url":"https://api.github.com/users/takakawa/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2018-07-07T15:45:30Z","updated_at":"2018-07-09T09:18:44Z","closed_at":null,"author_association":"NONE","body":"Please answer these questions before submitting your issue.\r\n\r\n### What version of gRPC are you using?\r\ngrpc-go : 1.11.3\r\nnginx :  1.14.0\r\n### What version of Go are you using (`go version`)?\r\ngo version go1.10 linux/amd64\r\n\r\n### What operating system (Linux, Windows, …) and version?\r\nCentOS Linux release 7.2.1511\r\n\r\n### What did you do?\r\nIf possible, provide a recipe for reproducing the error.\r\n\r\nI use nginx to proxy grpc requests,And there are many \r\n```\r\nthe connection is draining\r\nthere is no connection available\r\n```\r\nBut nginx does not have any err logs!And the system does not have many connections,`ss -s` shows only 1000 connections in total.\r\n\r\n\r\n### What did you expect to see?\r\n\r\nThere should not be such errors\r\n\r\n### What did you see instead?\r\n"},"comment":{"url":"https://api.github.com/repos/grpc/grpc-go/issues/comments/403415165","html_url":"https://github.com/grpc/grpc-go/issues/2205#issuecomment-403415165","issue_url":"https://api.github.com/repos/grpc/grpc-go/issues/2205","id":403415165,"node_id":"MDEyOklzc3VlQ29tbWVudDQwMzQxNTE2NQ==","user":{"login":"takakawa","id":6322274,"node_id":"MDQ6VXNlcjYzMjIyNzQ=","avatar_url":"https://avatars1.githubusercontent.com/u/6322274?v=4","gravatar_id":"","url":"https://api.github.com/users/takakawa","html_url":"https://github.com/takakawa","followers_url":"https://api.github.com/users/takakawa/followers","following_url":"https://api.github.com/users/takakawa/following{/other_user}","gists_url":"https://api.github.com/users/takakawa/gists{/gist_id}","starred_url":"https://api.github.com/users/takakawa/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/takakawa/subscriptions","organizations_url":"https://api.github.com/users/takakawa/orgs","repos_url":"https://api.github.com/users/takakawa/repos","events_url":"https://api.github.com/users/takakawa/events{/privacy}","received_events_url":"https://api.github.com/users/takakawa/received_events","type":"User","site_admin":false},"created_at":"2018-07-09T09:18:44Z","updated_at":"2018-07-09T09:18:44Z","author_association":"NONE","body":"We tried to figure out this problem,It seemed that setting the FailFast true would cause the problem. When nginx closes connection after http2_max_requests  ,the client has a big possibility to show 'There is no connection available' .\r\n\r\nWhen we set   http2_max_requests 1000000 ,the possibility became very low.\r\n\r\nHere is a same question:\r\nhttps://trac.nginx.org/nginx/ticket/1590"}}
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