{"action":"created","issue":{"url":"https://api.github.com/repos/druid-io/druid/issues/2384","repository_url":"https://api.github.com/repos/druid-io/druid","labels_url":"https://api.github.com/repos/druid-io/druid/issues/2384/labels{/name}","comments_url":"https://api.github.com/repos/druid-io/druid/issues/2384/comments","events_url":"https://api.github.com/repos/druid-io/druid/issues/2384/events","html_url":"https://github.com/druid-io/druid/pull/2384","id":130972070,"number":2384,"title":"ganglia-emitter","user":{"login":"michaelschiff","id":1669670,"avatar_url":"https://avatars.githubusercontent.com/u/1669670?v=3","gravatar_id":"","url":"https://api.github.com/users/michaelschiff","html_url":"https://github.com/michaelschiff","followers_url":"https://api.github.com/users/michaelschiff/followers","following_url":"https://api.github.com/users/michaelschiff/following{/other_user}","gists_url":"https://api.github.com/users/michaelschiff/gists{/gist_id}","starred_url":"https://api.github.com/users/michaelschiff/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/michaelschiff/subscriptions","organizations_url":"https://api.github.com/users/michaelschiff/orgs","repos_url":"https://api.github.com/users/michaelschiff/repos","events_url":"https://api.github.com/users/michaelschiff/events{/privacy}","received_events_url":"https://api.github.com/users/michaelschiff/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/druid-io/druid/labels/Feature","name":"Feature","color":"2ceefb"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":13,"created_at":"2016-02-03T09:47:15Z","updated_at":"2016-02-03T22:10:56Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/druid-io/druid/pulls/2384","html_url":"https://github.com/druid-io/druid/pull/2384","diff_url":"https://github.com/druid-io/druid/pull/2384.diff","patch_url":"https://github.com/druid-io/druid/pull/2384.patch"},"body":"Ganglia emitter extension"},"comment":{"url":"https://api.github.com/repos/druid-io/druid/issues/comments/179497589","html_url":"https://github.com/druid-io/druid/pull/2384#issuecomment-179497589","issue_url":"https://api.github.com/repos/druid-io/druid/issues/2384","id":179497589,"user":{"login":"michaelschiff","id":1669670,"avatar_url":"https://avatars.githubusercontent.com/u/1669670?v=3","gravatar_id":"","url":"https://api.github.com/users/michaelschiff","html_url":"https://github.com/michaelschiff","followers_url":"https://api.github.com/users/michaelschiff/followers","following_url":"https://api.github.com/users/michaelschiff/following{/other_user}","gists_url":"https://api.github.com/users/michaelschiff/gists{/gist_id}","starred_url":"https://api.github.com/users/michaelschiff/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/michaelschiff/subscriptions","organizations_url":"https://api.github.com/users/michaelschiff/orgs","repos_url":"https://api.github.com/users/michaelschiff/repos","events_url":"https://api.github.com/users/michaelschiff/events{/privacy}","received_events_url":"https://api.github.com/users/michaelschiff/received_events","type":"User","site_admin":false},"created_at":"2016-02-03T22:10:56Z","updated_at":"2016-02-03T22:10:56Z","body":"In terms of aggregation across dimensions, The cardinality of metric names seems low enough that the emitter could maintain these averages. Using something like Codahale's histogram.  This gives us a view of something like, p95 of segment scan times / host (for example)"}}