{"action":"opened","issue":{"url":"https://api.github.com/repos/pallets/flask/issues/1793","repository_url":"https://api.github.com/repos/pallets/flask","labels_url":"https://api.github.com/repos/pallets/flask/issues/1793/labels{/name}","comments_url":"https://api.github.com/repos/pallets/flask/issues/1793/comments","events_url":"https://api.github.com/repos/pallets/flask/issues/1793/events","html_url":"https://github.com/pallets/flask/issues/1793","id":152458730,"number":1793,"title":"Slow json decoding for huge objects","user":{"login":"rladeira","id":8516338,"avatar_url":"https://avatars.githubusercontent.com/u/8516338?v=3","gravatar_id":"","url":"https://api.github.com/users/rladeira","html_url":"https://github.com/rladeira","followers_url":"https://api.github.com/users/rladeira/followers","following_url":"https://api.github.com/users/rladeira/following{/other_user}","gists_url":"https://api.github.com/users/rladeira/gists{/gist_id}","starred_url":"https://api.github.com/users/rladeira/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rladeira/subscriptions","organizations_url":"https://api.github.com/users/rladeira/orgs","repos_url":"https://api.github.com/users/rladeira/repos","events_url":"https://api.github.com/users/rladeira/events{/privacy}","received_events_url":"https://api.github.com/users/rladeira/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-05-01T22:22:06Z","updated_at":"2016-05-01T22:22:06Z","closed_at":null,"body":"While doing some tests decoding some huge json objects, I am observing a very slow decoding behavior. Actually, it takes a lot of time to execute request.json the first time.\r\n\r\nWhat's the default json decoder for flask? Does it use some C optimized code?"}}