designed for Unix-like platforms, with best performance and scalability on systems supporting epoll (Linux), kqueue (BSD/macOS), or /dev/poll (Solaris). Tornado will also run on Windows, although this configuration exceptions return a 500 status. The default error page includes a stack trace in debug mode and a one-line description of the error (e.g. “500: Internal Server Error”) otherwise. To produce a custom error open files”-Error). To raise this limit (setting it to 50000 for example) you can use the ulimit command, modify /etc/security/limits.conf or set minfds in your supervisord config. 36 Chapter 6. DocumentationTornado

designed for Unix-like platforms, with best performance and scalability on systems supporting epoll (Linux), kqueue (BSD/macOS), or /dev/poll (Solaris). Tornado will also run on Windows, although this configuration tornado.concurrent — Work with Future objects tornado.log — Logging support tornado.options — Command-line parsing tornado.testing — Unit testing support for asynchronous code tornado.util — General-purpose exceptions return a 500 status. The default error page includes a stack trace in debug mode and a one-line description of the error (e.g. “500: Internal Server Error”) otherwise. To produce a custom error

designed for Unix-like platforms, with best performance and scalability on systems supporting epoll (Linux), kqueue (BSD/macOS), or /dev/poll (Solaris). Tornado will also run on Windows, although this configuration Documentation, Release 6.1 The default error page includes a stack trace in debug mode and a one-line description of the error (e.g. “500: Internal Server Error”) otherwise. To produce a custom error open files”-Error). To raise this limit (setting it to 50000 for example) you can use the ulimit command, modify /etc/security/limits.conf or set minfds in your supervisord config. Processes and ports

Tornado should run on any Unix-like platform, although for the best performance and scalability only Linux (with epoll) and BSD (with kqueue) are recommended for production deployment (even though Mac OS X exceptions return a 500 status. The default error page includes a stack trace in debug mode and a one-line description of the error (e.g. “500: Internal Server Error”) otherwise. To produce a custom error open files”-Error). To raise this limit (setting it to 50000 for example) you can use the ulimit command, modify /etc/security/limits.conf or setting minfds in your supervisord config. Processes and ports

Tornado should run on any Unix-like platform, although for the best performance and scalability only Linux (with epoll) and BSD (with kqueue) are recommended for production deployment (even though Mac OS X Automatically detect code changes in development tornado.log — Logging support tornado.options — Command-line parsing tornado.stack_context — Exception handling across asynchronous callbacks tornado.testing exceptions return a 500 status. The default error page includes a stack trace in debug mode and a one-line description of the error (e.g. “500: Internal Server Error”) otherwise. To produce a custom error

Tornado should run on any Unix-like platform, although for the best performance and scalability only Linux (with epoll) and BSD (with kqueue) are recommended for production deployment (even though Mac OS X exceptions return a 500 status. The default error page includes a stack trace in debug mode and a one-line description of the error (e.g. “500: Internal Server Error”) otherwise. To produce a custom error Tornado Documentation, Release 4.5.3 (setting it to 50000 for example) you can use the ulimit command, modify /etc/security/limits.conf or setting minfds in your supervisord config. Processes and ports

designed for Unix-like platforms, with best performance and scalability on systems supporting epoll (Linux), kqueue (BSD/macOS), or /dev/poll (Solaris). Tornado will also run on Windows, although this configuration tornado.concurrent — Work with Future objects tornado.log — Logging support tornado.options — Command-line parsing tornado.testing — Unit testing support for asynchronous code tornado.util — General-purpose exceptions return a 500 status. The default error page includes a stack trace in debug mode and a one-line description of the error (e.g. “500: Internal Server Error”) otherwise. To produce a custom error

Tornado should run on any Unix-like platform, although for the best performance and scalability only Linux (with epoll) and BSD (with kqueue) are recommended for production deployment (even though Mac OS X tornado.concurrent — Work with Future objects tornado.log — Logging support tornado.options — Command-line parsing tornado.testing — Unit testing support for asynchronous code tornado.util — General-purpose exceptions return a 500 status. The default error page includes a stack trace in debug mode and a one-line description of the error (e.g. “500: Internal Server Error”) otherwise. To produce a custom error

designed for Unix-like platforms, with best performance and scalability on systems supporting epoll (Linux), kqueue (BSD/macOS), or /dev/poll (Solaris). Tornado will also run on Windows, although this configuration exceptions return a 500 status. The default error page includes a stack trace in debug mode and a one-line description of the error (e.g. “500: Internal Server Error”) otherwise. To produce a custom error open files”-Error). To raise this limit (setting it to 50000 for example) you can use the ulimit command, modify /etc/security/limits.conf or set minfds in your supervisord config. Processes and ports

designed for Unix-like platforms, with best performance and scalability on systems supporting epoll (Linux), kqueue (BSD/macOS), or /dev/poll (Solaris). Tornado will also run on Windows, although this configuration exceptions return a 500 status. The default error page includes a stack trace in debug mode and a one-line description of the error (e.g. “500: Internal Server Error”) otherwise. To produce a custom error open files”-Error). To raise this limit (setting it to 50000 for example) you can use the ulimit command, modify /etc/security/limits.conf or set minfds in your supervisord config. Processes and ports