我已经部署了django应用程序，并部署到了Heroku，它通过CSV文件输入了Facebook帐户ID作为输入并解析了信息。它在本地服务器上工作正常，但是当我尝试上传较大的CSV文件时出现以下错误。

     14:12:16 web.1  | 2014-07-17 14:12:16 [30747] [INFO] Using worker: sync
     14:12:16 web.1  | 2014-07-17 14:12:16 [30752] [INFO] Booting worker with pid: 30752
     14:13:21 web.1  | 2014-07-17 14:13:21 [30747] [CRITICAL] WORKER TIMEOUT (pid:30752)
     14:13:21 web.1  | 2014-07-17 03:43:21 [30752] [INFO] Worker exiting (pid: 30752)
     14:13:21 web.1  | 2014-07-17 14:13:21 [30841] [INFO] Booting worker with pid: 30