{"action":"created","issue":{"url":"https://api.github.com/repos/docker/docker/issues/27816","repository_url":"https://api.github.com/repos/docker/docker","labels_url":"https://api.github.com/repos/docker/docker/issues/27816/labels{/name}","comments_url":"https://api.github.com/repos/docker/docker/issues/27816/comments","events_url":"https://api.github.com/repos/docker/docker/issues/27816/events","html_url":"https://github.com/docker/docker/issues/27816","id":185597977,"number":27816,"title":"Overlay network is very slow","user":{"login":"RAM128","id":7312415,"avatar_url":"https://avatars.githubusercontent.com/u/7312415?v=3","gravatar_id":"","url":"https://api.github.com/users/RAM128","html_url":"https://github.com/RAM128","followers_url":"https://api.github.com/users/RAM128/followers","following_url":"https://api.github.com/users/RAM128/following{/other_user}","gists_url":"https://api.github.com/users/RAM128/gists{/gist_id}","starred_url":"https://api.github.com/users/RAM128/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/RAM128/subscriptions","organizations_url":"https://api.github.com/users/RAM128/orgs","repos_url":"https://api.github.com/users/RAM128/repos","events_url":"https://api.github.com/users/RAM128/events{/privacy}","received_events_url":"https://api.github.com/users/RAM128/received_events","type":"User","site_admin":false},"labels":[{"id":237472034,"url":"https://api.github.com/repos/docker/docker/labels/area/networking","name":"area/networking","color":"fbca04","default":false},{"id":392678049,"url":"https://api.github.com/repos/docker/docker/labels/area/swarm","name":"area/swarm","color":"fbca04","default":false},{"id":335124477,"url":"https://api.github.com/repos/docker/docker/labels/kind/performance","name":"kind/performance","color":"006b75","default":false},{"id":182417459,"url":"https://api.github.com/repos/docker/docker/labels/status/more-info-needed","name":"status/more-info-needed","color":"C6A49A","default":false},{"id":375714123,"url":"https://api.github.com/repos/docker/docker/labels/version/1.12","name":"version/1.12","color":"ededed","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2016-10-27T07:55:59Z","updated_at":"2016-11-22T14:19:17Z","closed_at":"2016-11-22T14:19:17Z","body":"**Description**\n\nI have setup a swarm cluster of 3 managers.\nA simple http container belonging to an overlay network takes more than 10 seconds to respond.\nIt is agnostic to the number of deployed instances.\n\n**Steps to reproduce the issue:**\n\n```\nroot@manager1 ~# docker network create --driver overlay my_network\nroot@manager1 ~# docker service create --name web --publish 80:80 --network my_network yeasy/simple-web\n\nroot@manager1 ~# time curl 127.0.0.1\nreal    0m10.021s\nroot@manager1 ~# time curl <ip_manager2>\nreal    0m18.045s\nroot@manager2 ~# time curl 127.0.0.1\nreal    0m10.026s\nroot@manager3 ~# time curl 127.0.0.1\nreal     0m11.727s\n\nroot@manager1 ~# docker service scale web=3\n=> Same results\n```\n\n**Describe the results you expected:**\n\n```\nroot@manager1 ~# time curl 127.0.0.1\n< 1 second\n```\n\n**Output of `docker version`:**\n\n```\nClient:\n Version:      1.12.2\n API version:  1.24\n Go version:   go1.6.3\n Git commit:   bb80604\n Built:        Tue Oct 11 17:43:41 2016\n OS/Arch:      linux/amd64\n\nServer:\n Version:      1.12.2\n API version:  1.24\n Go version:   go1.6.3\n Git commit:   bb80604\n Built:        Tue Oct 11 17:43:41 2016\n OS/Arch:      linux/amd64\n```\n\n**Output of `docker info`:**\n\n```\nContainers: 3\n Running: 1\n Paused: 0\n Stopped: 2\nImages: 42\nServer Version: 1.12.2\nStorage Driver: aufs\n Root Dir: /var/lib/docker/aufs\n Backing Filesystem: extfs\n Dirs: 340\n Dirperm1 Supported: true\nLogging Driver: json-file\nCgroup Driver: cgroupfs\nPlugins:\n Volume: local\n Network: null bridge overlay host\nSwarm: active\n NodeID: 0jfa0csiwtr2ti1ox61lxu6o5\n Is Manager: true\n ClusterID: 20pulfisug1spimp5e7kcw33b\n Managers: 3\n Nodes: 3\n Orchestration:\n  Task History Retention Limit: 5\n Raft:\n  Snapshot Interval: 10000\n  Heartbeat Tick: 1\n  Election Tick: 3\n Dispatcher:\n  Heartbeat Period: 5 seconds\n CA Configuration:\n  Expiry Duration: 3 months\n Node Address: xx.xx.xx.xx\nRuntimes: runc\nDefault Runtime: runc\nSecurity Options:\nKernel Version: 3.16.0-4-amd64\nOperating System: Debian GNU/Linux 8 (jessie)\nOSType: linux\nArchitecture: x86_64\nCPUs: 2\nTotal Memory: 3.873 GiB\nName: CTmanager001-beta\nID: FURE:24A6:AIVS:464B:DXFU:QGP4:YB6M:GHKM:A7LJ:C2HT:IDLB:JNRR\nDocker Root Dir: /var/lib/docker\nDebug Mode (client): false\nDebug Mode (server): false\nRegistry: https://index.docker.io/v1/\nWARNING: No memory limit support\nWARNING: No swap limit support\nWARNING: No kernel memory limit support\nWARNING: No oom kill disable support\nWARNING: No cpu cfs quota support\nWARNING: No cpu cfs period support\nLabels:\n provider=generic\nInsecure Registries:\n 127.0.0.0/8\n```\n\n**Additional environment details:**\n\n3 physical nodes, classical Debian 8 Jessie. No firewall.\n"},"comment":{"url":"https://api.github.com/repos/docker/docker/issues/comments/262252099","html_url":"https://github.com/docker/docker/issues/27816#issuecomment-262252099","issue_url":"https://api.github.com/repos/docker/docker/issues/27816","id":262252099,"user":{"login":"RAM128","id":7312415,"avatar_url":"https://avatars.githubusercontent.com/u/7312415?v=3","gravatar_id":"","url":"https://api.github.com/users/RAM128","html_url":"https://github.com/RAM128","followers_url":"https://api.github.com/users/RAM128/followers","following_url":"https://api.github.com/users/RAM128/following{/other_user}","gists_url":"https://api.github.com/users/RAM128/gists{/gist_id}","starred_url":"https://api.github.com/users/RAM128/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/RAM128/subscriptions","organizations_url":"https://api.github.com/users/RAM128/orgs","repos_url":"https://api.github.com/users/RAM128/repos","events_url":"https://api.github.com/users/RAM128/events{/privacy}","received_events_url":"https://api.github.com/users/RAM128/received_events","type":"User","site_admin":false},"created_at":"2016-11-22T14:19:17Z","updated_at":"2016-11-22T14:19:17Z","body":"Hi aluzzardi,\r\n\r\nAfter updating to 1.12.3 and removing /var/lib/docker/, the problem has been fixed.\r\nSorry for the inconvenience."}}
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