{"action":"created","issue":{"url":"https://api.github.com/repos/kubernetes/kubernetes/issues/15716","labels_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/15716/labels{/name}","comments_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/15716/comments","events_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/15716/events","html_url":"https://github.com/kubernetes/kubernetes/issues/15716","id":111667972,"number":15716,"title":"Profile Heapster on large clusters","user":{"login":"vishh","id":7063592,"avatar_url":"https://avatars.githubusercontent.com/u/7063592?v=3","gravatar_id":"","url":"https://api.github.com/users/vishh","html_url":"https://github.com/vishh","followers_url":"https://api.github.com/users/vishh/followers","following_url":"https://api.github.com/users/vishh/following{/other_user}","gists_url":"https://api.github.com/users/vishh/gists{/gist_id}","starred_url":"https://api.github.com/users/vishh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/vishh/subscriptions","organizations_url":"https://api.github.com/users/vishh/orgs","repos_url":"https://api.github.com/users/vishh/repos","events_url":"https://api.github.com/users/vishh/events{/privacy}","received_events_url":"https://api.github.com/users/vishh/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/kubernetes/kubernetes/labels/priority/P0","name":"priority/P0","color":"e11d21"},{"url":"https://api.github.com/repos/kubernetes/kubernetes/labels/team/node","name":"team/node","color":"d2b48c"}],"state":"open","locked":false,"assignee":{"login":"gmarek","id":1703842,"avatar_url":"https://avatars.githubusercontent.com/u/1703842?v=3","gravatar_id":"","url":"https://api.github.com/users/gmarek","html_url":"https://github.com/gmarek","followers_url":"https://api.github.com/users/gmarek/followers","following_url":"https://api.github.com/users/gmarek/following{/other_user}","gists_url":"https://api.github.com/users/gmarek/gists{/gist_id}","starred_url":"https://api.github.com/users/gmarek/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gmarek/subscriptions","organizations_url":"https://api.github.com/users/gmarek/orgs","repos_url":"https://api.github.com/users/gmarek/repos","events_url":"https://api.github.com/users/gmarek/events{/privacy}","received_events_url":"https://api.github.com/users/gmarek/received_events","type":"User","site_admin":false},"milestone":{"url":"https://api.github.com/repos/kubernetes/kubernetes/milestones/13","html_url":"https://github.com/kubernetes/kubernetes/milestones/v1.1","labels_url":"https://api.github.com/repos/kubernetes/kubernetes/milestones/13/labels","id":1220916,"number":13,"title":"v1.1","description":"Release 1.1.\r\n\r\nP1 features:\r\n* 250 nodes\r\n* kube-proxy perf. improvements (via IPTables)\r\n* Docker 1.8.x\r\n* Horizontal pod auto-scaling\r\n* Job Object\r\n* Schema validation in kubectl\r\n* Experimental API and API groups\r\n* Graceful pod termination\r\n","creator":{"login":"bgrant0607","id":7725777,"avatar_url":"https://avatars.githubusercontent.com/u/7725777?v=3","gravatar_id":"","url":"https://api.github.com/users/bgrant0607","html_url":"https://github.com/bgrant0607","followers_url":"https://api.github.com/users/bgrant0607/followers","following_url":"https://api.github.com/users/bgrant0607/following{/other_user}","gists_url":"https://api.github.com/users/bgrant0607/gists{/gist_id}","starred_url":"https://api.github.com/users/bgrant0607/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bgrant0607/subscriptions","organizations_url":"https://api.github.com/users/bgrant0607/orgs","repos_url":"https://api.github.com/users/bgrant0607/repos","events_url":"https://api.github.com/users/bgrant0607/events{/privacy}","received_events_url":"https://api.github.com/users/bgrant0607/received_events","type":"User","site_admin":false},"open_issues":41,"closed_issues":200,"state":"open","created_at":"2015-07-22T19:17:12Z","updated_at":"2015-10-21T02:03:44Z","due_on":"2015-09-21T07:00:00Z","closed_at":null},"comments":22,"created_at":"2015-10-15T17:32:01Z","updated_at":"2015-10-21T05:28:17Z","closed_at":null,"body":"Heapster is currently required for multiple autoscaling features in kubernetes - Horizontal pod, node and initial resource estimation. \r\nTo meet the scalability goals for kubernetes v1.1, we need to test heapster's stability on a large cluster (250 nodes) with lots of pods (30 per node). \r\n\r\nMeasuring compute resource overhead on a large cluster will be useful for users.\r\n\r\nProfiling heapster's cpu and memory usage will be useful to understand the potential bottlenecks under a scale scenario. \r\n\r\nOne thing to be aware is that the current resource `limits` on heapster are not applicable for cluster's greater than ~10 nodes.\r\n"},"comment":{"url":"https://api.github.com/repos/kubernetes/kubernetes/issues/comments/149787378","html_url":"https://github.com/kubernetes/kubernetes/issues/15716#issuecomment-149787378","issue_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/15716","id":149787378,"user":{"login":"gmarek","id":1703842,"avatar_url":"https://avatars.githubusercontent.com/u/1703842?v=3","gravatar_id":"","url":"https://api.github.com/users/gmarek","html_url":"https://github.com/gmarek","followers_url":"https://api.github.com/users/gmarek/followers","following_url":"https://api.github.com/users/gmarek/following{/other_user}","gists_url":"https://api.github.com/users/gmarek/gists{/gist_id}","starred_url":"https://api.github.com/users/gmarek/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gmarek/subscriptions","organizations_url":"https://api.github.com/users/gmarek/orgs","repos_url":"https://api.github.com/users/gmarek/repos","events_url":"https://api.github.com/users/gmarek/events{/privacy}","received_events_url":"https://api.github.com/users/gmarek/received_events","type":"User","site_admin":false},"created_at":"2015-10-21T05:28:17Z","updated_at":"2015-10-21T05:28:17Z","body":"As long as we don't officially support cluster autoscaling it should be enough to compute requirements at startup, which should be simpler. 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