{"action":"created","issue":{"url":"https://api.github.com/repos/prometheus/client_golang/issues/85","labels_url":"https://api.github.com/repos/prometheus/client_golang/issues/85/labels{/name}","comments_url":"https://api.github.com/repos/prometheus/client_golang/issues/85/comments","events_url":"https://api.github.com/repos/prometheus/client_golang/issues/85/events","html_url":"https://github.com/prometheus/client_golang/issues/85","id":59144858,"number":85,"title":"Should a summary decay on scrapes, too (and not only on observations)?","user":{"login":"grobie","id":3432,"avatar_url":"https://avatars.githubusercontent.com/u/3432?v=3","gravatar_id":"","url":"https://api.github.com/users/grobie","html_url":"https://github.com/grobie","followers_url":"https://api.github.com/users/grobie/followers","following_url":"https://api.github.com/users/grobie/following{/other_user}","gists_url":"https://api.github.com/users/grobie/gists{/gist_id}","starred_url":"https://api.github.com/users/grobie/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/grobie/subscriptions","organizations_url":"https://api.github.com/users/grobie/orgs","repos_url":"https://api.github.com/users/grobie/repos","events_url":"https://api.github.com/users/grobie/events{/privacy}","received_events_url":"https://api.github.com/users/grobie/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":{"login":"beorn7","id":5609886,"avatar_url":"https://avatars.githubusercontent.com/u/5609886?v=3","gravatar_id":"","url":"https://api.github.com/users/beorn7","html_url":"https://github.com/beorn7","followers_url":"https://api.github.com/users/beorn7/followers","following_url":"https://api.github.com/users/beorn7/following{/other_user}","gists_url":"https://api.github.com/users/beorn7/gists{/gist_id}","starred_url":"https://api.github.com/users/beorn7/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/beorn7/subscriptions","organizations_url":"https://api.github.com/users/beorn7/orgs","repos_url":"https://api.github.com/users/beorn7/repos","events_url":"https://api.github.com/users/beorn7/events{/privacy}","received_events_url":"https://api.github.com/users/beorn7/received_events","type":"User","site_admin":false},"milestone":null,"comments":7,"created_at":"2015-02-26T21:16:44Z","updated_at":"2015-02-27T12:15:19Z","closed_at":null,"body":"I seem to either misunderstand how the MaxAge/decay in summaries works or there might be a problem.\r\n\r\nLatencies:\r\n![glimpse - duration](https://cloud.githubusercontent.com/assets/3432/6402047/9bba3454-bdd2-11e4-83ae-de21ed0641ef.png)\r\n\r\nObservations:\r\n![glimpse - observations](https://cloud.githubusercontent.com/assets/3432/6402090/f8835710-bdd2-11e4-93ae-7fd5321de36f.png)\r\n\r\nAs you can see from the second graph, there were actually no requests/observations for tens of minutes. Still the quantile timeseries were not reset at any point.\r\n\r\nI was under the assumption, all values will be reset after [MaxAge](https://github.com/prometheus/client_golang/blob/a6c5e0f955686b0e7bbfd791edecfc65aa72593a/prometheus/summary.go#L65)."},"comment":{"url":"https://api.github.com/repos/prometheus/client_golang/issues/comments/76386012","html_url":"https://github.com/prometheus/client_golang/issues/85#issuecomment-76386012","issue_url":"https://api.github.com/repos/prometheus/client_golang/issues/85","id":76386012,"user":{"login":"juliusv","id":538008,"avatar_url":"https://avatars.githubusercontent.com/u/538008?v=3","gravatar_id":"","url":"https://api.github.com/users/juliusv","html_url":"https://github.com/juliusv","followers_url":"https://api.github.com/users/juliusv/followers","following_url":"https://api.github.com/users/juliusv/following{/other_user}","gists_url":"https://api.github.com/users/juliusv/gists{/gist_id}","starred_url":"https://api.github.com/users/juliusv/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/juliusv/subscriptions","organizations_url":"https://api.github.com/users/juliusv/orgs","repos_url":"https://api.github.com/users/juliusv/repos","events_url":"https://api.github.com/users/juliusv/events{/privacy}","received_events_url":"https://api.github.com/users/juliusv/received_events","type":"User","site_admin":false},"created_at":"2015-02-27T12:15:19Z","updated_at":"2015-02-27T12:15:19Z","body":"Thinking through it, it should be fine. At least not worse than falsely reporting old quantiles."}}