{"action":"closed","issue":{"url":"https://api.github.com/repos/devtools-html/perf.html/issues/462","repository_url":"https://api.github.com/repos/devtools-html/perf.html","labels_url":"https://api.github.com/repos/devtools-html/perf.html/issues/462/labels{/name}","comments_url":"https://api.github.com/repos/devtools-html/perf.html/issues/462/comments","events_url":"https://api.github.com/repos/devtools-html/perf.html/issues/462/events","html_url":"https://github.com/devtools-html/perf.html/issues/462","id":244160181,"number":462,"title":"Marker Chart view of this profile janks Firefox to a crawl","user":{"login":"clarkbw","id":2134,"avatar_url":"https://avatars2.githubusercontent.com/u/2134?v=4","gravatar_id":"","url":"https://api.github.com/users/clarkbw","html_url":"https://github.com/clarkbw","followers_url":"https://api.github.com/users/clarkbw/followers","following_url":"https://api.github.com/users/clarkbw/following{/other_user}","gists_url":"https://api.github.com/users/clarkbw/gists{/gist_id}","starred_url":"https://api.github.com/users/clarkbw/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/clarkbw/subscriptions","organizations_url":"https://api.github.com/users/clarkbw/orgs","repos_url":"https://api.github.com/users/clarkbw/repos","events_url":"https://api.github.com/users/clarkbw/events{/privacy}","received_events_url":"https://api.github.com/users/clarkbw/received_events","type":"User","site_admin":true},"labels":[{"id":556270202,"url":"https://api.github.com/repos/devtools-html/perf.html/labels/markers","name":"markers","color":"c2e0c6","default":false},{"id":468961693,"url":"https://api.github.com/repos/devtools-html/perf.html/labels/perf","name":"perf","color":"0e8a16","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2017-07-19T20:13:34Z","updated_at":"2017-11-28T21:37:43Z","closed_at":"2017-11-28T21:37:43Z","author_association":"MEMBER","body":"This profile recording brings Firefox to its knees https://perfht.ml/2trsR7V\r\n\r\nSTR\r\n1. Open link https://perfht.ml/2trsR7V\r\n1. Click on Stack Chart view\r\n\r\n\r\nI was researching this issue https://github.com/facebook/react-devtools/issues/801#issuecomment-307871766\r\n\r\nI did a perf run of this page\r\n1. open https://scottweinstein.github.io/react-ng-perf-comparison/react-16/\r\n1. recorded 16s of profile https://perfht.ml/2trcW9M\r\n\r\nAnd then I grabbed it locally so I could have all the UserTimings as well and I suspect there are many, many, many user timing markers.\r\n1. `git clone https://github.com/ScottWeinstein/react-ng-perf-comparison.git`\r\n1. `cd react-ng-perf-comparison/react-16/`\r\n1. `npm install`\r\n1. `npm start`\r\n1. open http://localhost:9000/\r\n1. record 16s of profile https://perfht.ml/2trsR7V\r\n1. try to view timeline view\r\n"}}
{"actor":{"display_login":"gregtatum"}}