{"action":"created","issue":{"url":"https://api.github.com/repos/swiftmailer/swiftmailer/issues/550","repository_url":"https://api.github.com/repos/swiftmailer/swiftmailer","labels_url":"https://api.github.com/repos/swiftmailer/swiftmailer/issues/550/labels{/name}","comments_url":"https://api.github.com/repos/swiftmailer/swiftmailer/issues/550/comments","events_url":"https://api.github.com/repos/swiftmailer/swiftmailer/issues/550/events","html_url":"https://github.com/swiftmailer/swiftmailer/issues/550","id":47545139,"number":550,"title":"V3->V4/5 slow performance of QpEncoder->_encodeString","user":{"login":"zevnikrok","id":6423955,"avatar_url":"https://avatars.githubusercontent.com/u/6423955?v=3","gravatar_id":"","url":"https://api.github.com/users/zevnikrok","html_url":"https://github.com/zevnikrok","followers_url":"https://api.github.com/users/zevnikrok/followers","following_url":"https://api.github.com/users/zevnikrok/following{/other_user}","gists_url":"https://api.github.com/users/zevnikrok/gists{/gist_id}","starred_url":"https://api.github.com/users/zevnikrok/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zevnikrok/subscriptions","organizations_url":"https://api.github.com/users/zevnikrok/orgs","repos_url":"https://api.github.com/users/zevnikrok/repos","events_url":"https://api.github.com/users/zevnikrok/events{/privacy}","received_events_url":"https://api.github.com/users/zevnikrok/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":9,"created_at":"2014-11-02T19:04:32Z","updated_at":"2016-05-25T16:04:25Z","closed_at":null,"body":"When migrating from V3 to V4 or V5 library we've encountered a major performance issue, while sending our html newsletter (65kB). Processing of each email jumped from 2 seconds to about 6 seconds.\r\n\r\nProfiler took me to the QpEncoder->_encodeString, which reads only 4 bytes by default. Increasing default value from 4 to 1024 (as suggested by some other user) puts this back to normal performance.\r\n\r\nWhy does it read only 4 bytes by default and if increasing this value to 1024 producess any side effects?"},"comment":{"url":"https://api.github.com/repos/swiftmailer/swiftmailer/issues/comments/221623993","html_url":"https://github.com/swiftmailer/swiftmailer/issues/550#issuecomment-221623993","issue_url":"https://api.github.com/repos/swiftmailer/swiftmailer/issues/550","id":221623993,"user":{"login":"voku","id":264695,"avatar_url":"https://avatars.githubusercontent.com/u/264695?v=3","gravatar_id":"","url":"https://api.github.com/users/voku","html_url":"https://github.com/voku","followers_url":"https://api.github.com/users/voku/followers","following_url":"https://api.github.com/users/voku/following{/other_user}","gists_url":"https://api.github.com/users/voku/gists{/gist_id}","starred_url":"https://api.github.com/users/voku/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/voku/subscriptions","organizations_url":"https://api.github.com/users/voku/orgs","repos_url":"https://api.github.com/users/voku/repos","events_url":"https://api.github.com/users/voku/events{/privacy}","received_events_url":"https://api.github.com/users/voku/received_events","type":"User","site_admin":false},"created_at":"2016-05-25T16:04:25Z","updated_at":"2016-05-25T16:04:25Z","body":"with \"Swift_CharacterStream_MbCharacterStream\" (https://github.com/giggsey/swiftmailer/commit/30da017ff51eed9f152b765b019693883dd989b4) I could increase the performance about ~60% ...\r\n\r\n![swiftmailer](https://cloud.githubusercontent.com/assets/264695/15547120/bd34c0f0-22a2-11e6-8c70-293be070ff89.png)\r\n"}}
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