{"action":"created","issue":{"url":"https://api.github.com/repos/iojs/io.js/issues/671","labels_url":"https://api.github.com/repos/iojs/io.js/issues/671/labels{/name}","comments_url":"https://api.github.com/repos/iojs/io.js/issues/671/comments","events_url":"https://api.github.com/repos/iojs/io.js/issues/671/events","html_url":"https://github.com/iojs/io.js/issues/671","id":56077506,"number":671,"title":"tracing working group","user":{"login":"Qard","id":205482,"avatar_url":"https://avatars.githubusercontent.com/u/205482?v=3","gravatar_id":"","url":"https://api.github.com/users/Qard","html_url":"https://github.com/Qard","followers_url":"https://api.github.com/users/Qard/followers","following_url":"https://api.github.com/users/Qard/following{/other_user}","gists_url":"https://api.github.com/users/Qard/gists{/gist_id}","starred_url":"https://api.github.com/users/Qard/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Qard/subscriptions","organizations_url":"https://api.github.com/users/Qard/orgs","repos_url":"https://api.github.com/users/Qard/repos","events_url":"https://api.github.com/users/Qard/events{/privacy}","received_events_url":"https://api.github.com/users/Qard/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/iojs/io.js/labels/ideas","name":"ideas","color":"d7e102"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":19,"created_at":"2015-01-30T19:57:48Z","updated_at":"2015-01-31T22:01:30Z","closed_at":null,"body":"@bnoordhuis @sam-github @othiym23 @Wraithan @groundwater @brycebaril @trevnorris \r\n\r\nWe should revisit the tracing situation. Perhaps a working group is in order? Some of you have moved on from APM since our last discussion, some were not present, but your input is valuable."},"comment":{"url":"https://api.github.com/repos/iojs/io.js/issues/comments/72339097","html_url":"https://github.com/iojs/io.js/issues/671#issuecomment-72339097","issue_url":"https://api.github.com/repos/iojs/io.js/issues/671","id":72339097,"user":{"login":"groundwater","id":538488,"avatar_url":"https://avatars.githubusercontent.com/u/538488?v=3","gravatar_id":"","url":"https://api.github.com/users/groundwater","html_url":"https://github.com/groundwater","followers_url":"https://api.github.com/users/groundwater/followers","following_url":"https://api.github.com/users/groundwater/following{/other_user}","gists_url":"https://api.github.com/users/groundwater/gists{/gist_id}","starred_url":"https://api.github.com/users/groundwater/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/groundwater/subscriptions","organizations_url":"https://api.github.com/users/groundwater/orgs","repos_url":"https://api.github.com/users/groundwater/repos","events_url":"https://api.github.com/users/groundwater/events{/privacy}","received_events_url":"https://api.github.com/users/groundwater/received_events","type":"User","site_admin":false},"created_at":"2015-01-31T22:01:30Z","updated_at":"2015-01-31T22:01:30Z","body":"The consensus from our meeting was roughly \"we want to collect arbitrary data, at arbitrary places\" which is probably too vague to anyone who did not attend. I would suggest we come up with a dozen well-defined _user stories_  (sorry for the product manager speak) before we all jump into solution land.\r\n\r\nAt a high level, I think the stories should cover at least the following\r\n\r\n1. one or more APM use cases\r\n2. helping a poor user who uses `console.log` as their debugging tool\r\n3. getting detailed low-level GC/mem/libuv info\r\n4. stitching together async transactions (i.e. continuation-local-storage)\r\n\r\nOther than that, we probably want to discuss constraints the solution must meet\r\n\r\n1. does not negatively impact performance when not in use\r\n2. impacts performance in a production-safe way when in use\r\n3. is the minimum necessary changes to implement solutions in npm-land\r\n"}}