{"action":"created","issue":{"url":"https://api.github.com/repos/deis/deis/issues/3319","labels_url":"https://api.github.com/repos/deis/deis/issues/3319/labels{/name}","comments_url":"https://api.github.com/repos/deis/deis/issues/3319/comments","events_url":"https://api.github.com/repos/deis/deis/issues/3319/events","html_url":"https://github.com/deis/deis/pull/3319","id":62516260,"number":3319,"title":"chore(*): replace btrfs with overlayfs","user":{"login":"carmstrong","id":536009,"avatar_url":"https://avatars.githubusercontent.com/u/536009?v=3","gravatar_id":"","url":"https://api.github.com/users/carmstrong","html_url":"https://github.com/carmstrong","followers_url":"https://api.github.com/users/carmstrong/followers","following_url":"https://api.github.com/users/carmstrong/following{/other_user}","gists_url":"https://api.github.com/users/carmstrong/gists{/gist_id}","starred_url":"https://api.github.com/users/carmstrong/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/carmstrong/subscriptions","organizations_url":"https://api.github.com/users/carmstrong/orgs","repos_url":"https://api.github.com/users/carmstrong/repos","events_url":"https://api.github.com/users/carmstrong/events{/privacy}","received_events_url":"https://api.github.com/users/carmstrong/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":{"login":"carmstrong","id":536009,"avatar_url":"https://avatars.githubusercontent.com/u/536009?v=3","gravatar_id":"","url":"https://api.github.com/users/carmstrong","html_url":"https://github.com/carmstrong","followers_url":"https://api.github.com/users/carmstrong/followers","following_url":"https://api.github.com/users/carmstrong/following{/other_user}","gists_url":"https://api.github.com/users/carmstrong/gists{/gist_id}","starred_url":"https://api.github.com/users/carmstrong/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/carmstrong/subscriptions","organizations_url":"https://api.github.com/users/carmstrong/orgs","repos_url":"https://api.github.com/users/carmstrong/repos","events_url":"https://api.github.com/users/carmstrong/events{/privacy}","received_events_url":"https://api.github.com/users/carmstrong/received_events","type":"User","site_admin":false},"milestone":{"url":"https://api.github.com/repos/deis/deis/milestones/36","html_url":"https://github.com/deis/deis/milestones/v1.5","labels_url":"https://api.github.com/repos/deis/deis/milestones/36/labels","id":962429,"number":36,"title":"v1.5","description":"","creator":{"login":"mboersma","id":73019,"avatar_url":"https://avatars.githubusercontent.com/u/73019?v=3","gravatar_id":"","url":"https://api.github.com/users/mboersma","html_url":"https://github.com/mboersma","followers_url":"https://api.github.com/users/mboersma/followers","following_url":"https://api.github.com/users/mboersma/following{/other_user}","gists_url":"https://api.github.com/users/mboersma/gists{/gist_id}","starred_url":"https://api.github.com/users/mboersma/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mboersma/subscriptions","organizations_url":"https://api.github.com/users/mboersma/orgs","repos_url":"https://api.github.com/users/mboersma/repos","events_url":"https://api.github.com/users/mboersma/events{/privacy}","received_events_url":"https://api.github.com/users/mboersma/received_events","type":"User","site_admin":false},"open_issues":24,"closed_issues":39,"state":"open","created_at":"2015-02-02T21:18:24Z","updated_at":"2015-03-17T20:55:14Z","due_on":"2015-04-07T06:00:00Z","closed_at":null},"comments":1,"created_at":"2015-03-17T20:55:11Z","updated_at":"2015-03-17T20:59:58Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/deis/deis/pulls/3319","html_url":"https://github.com/deis/deis/pull/3319","diff_url":"https://github.com/deis/deis/pull/3319.diff","patch_url":"https://github.com/deis/deis/pull/3319.patch"},"body":"This includes the commits from #3316.\r\n\r\nWe switch from btrfs to ext4 to support overlayfs in Docker. Note that we also format the device with a particular number of inodes. This is what CoreOS does to the root volume to prepare it to run Docker, and since we're running Docker with a separate volume, we must prepare it in the same way. \r\n\r\nSince we're no longer using devmapper in the Docker-in-Docker builder component, this PR also:\r\ncloses #3294 \r\nrefs #3317\r\n\r\n/cc @marineam "},"comment":{"url":"https://api.github.com/repos/deis/deis/issues/comments/82598285","html_url":"https://github.com/deis/deis/pull/3319#issuecomment-82598285","issue_url":"https://api.github.com/repos/deis/deis/issues/3319","id":82598285,"user":{"login":"marineam","id":153640,"avatar_url":"https://avatars.githubusercontent.com/u/153640?v=3","gravatar_id":"","url":"https://api.github.com/users/marineam","html_url":"https://github.com/marineam","followers_url":"https://api.github.com/users/marineam/followers","following_url":"https://api.github.com/users/marineam/following{/other_user}","gists_url":"https://api.github.com/users/marineam/gists{/gist_id}","starred_url":"https://api.github.com/users/marineam/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/marineam/subscriptions","organizations_url":"https://api.github.com/users/marineam/orgs","repos_url":"https://api.github.com/users/marineam/repos","events_url":"https://api.github.com/users/marineam/events{/privacy}","received_events_url":"https://api.github.com/users/marineam/received_events","type":"User","site_admin":false},"created_at":"2015-03-17T20:59:58Z","updated_at":"2015-03-17T20:59:58Z","body":"Just so you know what you are getting into with switching to ext4/overlay. Yes the btrfs issues are gone but overlay provides odd filesystem semantics which may harm some workloads. A number of our users have been hitting this issue with rpm based containers: https://github.com/docker/docker/issues/10180"}}