{"action":"created","issue":{"url":"https://api.github.com/repos/yiisoft/yii2/issues/9668","labels_url":"https://api.github.com/repos/yiisoft/yii2/issues/9668/labels{/name}","comments_url":"https://api.github.com/repos/yiisoft/yii2/issues/9668/comments","events_url":"https://api.github.com/repos/yiisoft/yii2/issues/9668/events","html_url":"https://github.com/yiisoft/yii2/issues/9668","id":105994462,"number":9668,"title":"Enhancement Doc: Session by DB or PHP","user":{"login":"dynasource","id":125726,"avatar_url":"https://avatars.githubusercontent.com/u/125726?v=3","gravatar_id":"","url":"https://api.github.com/users/dynasource","html_url":"https://github.com/dynasource","followers_url":"https://api.github.com/users/dynasource/followers","following_url":"https://api.github.com/users/dynasource/following{/other_user}","gists_url":"https://api.github.com/users/dynasource/gists{/gist_id}","starred_url":"https://api.github.com/users/dynasource/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dynasource/subscriptions","organizations_url":"https://api.github.com/users/dynasource/orgs","repos_url":"https://api.github.com/users/dynasource/repos","events_url":"https://api.github.com/users/dynasource/events{/privacy}","received_events_url":"https://api.github.com/users/dynasource/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-09-11T11:45:37Z","updated_at":"2015-09-11T12:16:43Z","closed_at":"2015-09-11T12:16:43Z","body":"I see the following line at http://www.yiiframework.com/doc-2.0/guide-tutorial-performance-tuning.html#optimizing-session:\r\n\r\n```php\r\n\"By default session data are stored in files. This is fine for development and small projects. \r\nBut when it comes to handling massive concurrent requests, \r\nit is better to use more sophisticated storage, such as database.\"\r\n```\r\n\r\nThis is a statement not supported with any arguments. Is it speed? Is it stability? It would be helpful to go into a little more depth with links to sources that prove this statement. I have looked at some sources on the internet and conclusions vary. If a convincing conclusion can be drawn, I would to see details on the switching point. Perhabs 100 concurrent users?"},"comment":{"url":"https://api.github.com/repos/yiisoft/yii2/issues/comments/139531249","html_url":"https://github.com/yiisoft/yii2/issues/9668#issuecomment-139531249","issue_url":"https://api.github.com/repos/yiisoft/yii2/issues/9668","id":139531249,"user":{"login":"klimov-paul","id":1482054,"avatar_url":"https://avatars.githubusercontent.com/u/1482054?v=3","gravatar_id":"","url":"https://api.github.com/users/klimov-paul","html_url":"https://github.com/klimov-paul","followers_url":"https://api.github.com/users/klimov-paul/followers","following_url":"https://api.github.com/users/klimov-paul/following{/other_user}","gists_url":"https://api.github.com/users/klimov-paul/gists{/gist_id}","starred_url":"https://api.github.com/users/klimov-paul/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/klimov-paul/subscriptions","organizations_url":"https://api.github.com/users/klimov-paul/orgs","repos_url":"https://api.github.com/users/klimov-paul/repos","events_url":"https://api.github.com/users/klimov-paul/events{/privacy}","received_events_url":"https://api.github.com/users/klimov-paul/received_events","type":"User","site_admin":false},"created_at":"2015-09-11T12:16:43Z","updated_at":"2015-09-11T12:16:43Z","body":"This is a general PHP relate question. It does not belongs to the framework."}}