{"action":"created","issue":{"url":"https://api.github.com/repos/Percona-Lab/prometheus_mongodb_exporter/issues/9","repository_url":"https://api.github.com/repos/Percona-Lab/prometheus_mongodb_exporter","labels_url":"https://api.github.com/repos/Percona-Lab/prometheus_mongodb_exporter/issues/9/labels{/name}","comments_url":"https://api.github.com/repos/Percona-Lab/prometheus_mongodb_exporter/issues/9/comments","events_url":"https://api.github.com/repos/Percona-Lab/prometheus_mongodb_exporter/issues/9/events","html_url":"https://github.com/Percona-Lab/prometheus_mongodb_exporter/issues/9","id":153058098,"number":9,"title":"\"Failed to get oplog status.\" error under high oplog pressure","user":{"login":"timvaillancourt","id":3202797,"avatar_url":"https://avatars.githubusercontent.com/u/3202797?v=3","gravatar_id":"","url":"https://api.github.com/users/timvaillancourt","html_url":"https://github.com/timvaillancourt","followers_url":"https://api.github.com/users/timvaillancourt/followers","following_url":"https://api.github.com/users/timvaillancourt/following{/other_user}","gists_url":"https://api.github.com/users/timvaillancourt/gists{/gist_id}","starred_url":"https://api.github.com/users/timvaillancourt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/timvaillancourt/subscriptions","organizations_url":"https://api.github.com/users/timvaillancourt/orgs","repos_url":"https://api.github.com/users/timvaillancourt/repos","events_url":"https://api.github.com/users/timvaillancourt/events{/privacy}","received_events_url":"https://api.github.com/users/timvaillancourt/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2016-05-04T16:33:15Z","updated_at":"2016-05-09T12:41:51Z","closed_at":null,"body":"mongodb_exporter outputs the following error under high oplog pressure (very high insert/update tests).\r\n\r\n\"E0504 18:31:11.270167    3301 oplog_status.go:111] Failed to get oplog status.\"\r\n\r\nPerhaps this should be expected temporarily or something needs optimisation.\r\n\r\nTim"},"comment":{"url":"https://api.github.com/repos/Percona-Lab/prometheus_mongodb_exporter/issues/comments/217853467","html_url":"https://github.com/Percona-Lab/prometheus_mongodb_exporter/issues/9#issuecomment-217853467","issue_url":"https://api.github.com/repos/Percona-Lab/prometheus_mongodb_exporter/issues/9","id":217853467,"user":{"login":"timvaillancourt","id":3202797,"avatar_url":"https://avatars.githubusercontent.com/u/3202797?v=3","gravatar_id":"","url":"https://api.github.com/users/timvaillancourt","html_url":"https://github.com/timvaillancourt","followers_url":"https://api.github.com/users/timvaillancourt/followers","following_url":"https://api.github.com/users/timvaillancourt/following{/other_user}","gists_url":"https://api.github.com/users/timvaillancourt/gists{/gist_id}","starred_url":"https://api.github.com/users/timvaillancourt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/timvaillancourt/subscriptions","organizations_url":"https://api.github.com/users/timvaillancourt/orgs","repos_url":"https://api.github.com/users/timvaillancourt/repos","events_url":"https://api.github.com/users/timvaillancourt/events{/privacy}","received_events_url":"https://api.github.com/users/timvaillancourt/received_events","type":"User","site_admin":false},"created_at":"2016-05-09T12:41:51Z","updated_at":"2016-05-09T12:41:51Z","body":"Hi David, I think the issue is the aggregate function I used to get the min/max timestamps. As we discussed, this is heavier than 2 x point queries. I  have an extremely small oplog (for dev testing) of 50mb, so it's possible that contributed to the problem.\r\n\r\nThe fixes in #12 should repair these problems. I'll leave this open for a few weeks of testing before closing."}}