Manual Reference Pages - STARMAN (3)
Starman - High-performance preforking PSGI/Plack web server
# Run app.psgi with the default settings
# run with Server::Starter
> start_server --port 127.0.0.1:80 -- starman --workers 32 myapp.psgi
# UNIX domain sockets
> starman --listen /tmp/starman.sock
Read more options and configurations by running perldoc starman (lower-case s).
Starman is a PSGI perl web server that has unique features such as:
Uses the fast XS/C HTTP header parser
Spawns workers preforked like most high performance UNIX servers
do. Starman also reaps dead children and automatically restarts the
Supports HUP for graceful worker restarts, and TTIN/TTOU to
dynamically increase or decrease the number of worker processes, as
well as QUIT to gracefully shutdown the worker processes.
Supports Server::Starter for hot deploy and graceful restarts.
Multiple interfaces and UNIX Domain Socket support
Able to listen on multiple interfaces including UNIX sockets.
Small memory footprint
Preloading the applications with --preload-app command line option
enables copy-on-write friendly memory management. Also, the minimum
memory usage Starman requires for the master process is 7MB and
children (workers) is less than 3.0MB.
Can run any PSGI applications and frameworks
Supports chunked requests and responses, keep-alive and pipeline requests.
This server does not support Win32.
Heres a simple benchmark using Hello.psgi.
-- server: Starman (workers=10)
Requests per second: 6849.16 [#/sec] (mean)
-- server: Twiggy
Requests per second: 3911.78 [#/sec] (mean)
-- server: AnyEvent::HTTPD
Requests per second: 2738.49 [#/sec] (mean)
-- server: HTTP::Server::PSGI
Requests per second: 2218.16 [#/sec] (mean)
-- server: HTTP::Server::PSGI (workers=10)
Requests per second: 2792.99 [#/sec] (mean)
-- server: HTTP::Server::Simple
Requests per second: 1435.50 [#/sec] (mean)
-- server: Corona
Requests per second: 2332.00 [#/sec] (mean)
-- server: POE
Requests per second: 503.59 [#/sec] (mean)
This benchmark was processed with ab -c 10 -t 1 -k on MacBook Pro
13" late 2009 model on Mac OS X 10.6.2 with perl 5.10.0. YMMV.
Because Starman runs as a preforking model, it is not recommended to
serve the requests directly from the internet, especially when slow
requesting clients are taken into consideration. It is suggested to
put Starman workers behind the frontend servers such as nginx, and use
HTTP proxy with TCP or UNIX sockets.
Tatsuhiko Miyagawa <email@example.com>
Andy Grundman wrote Catalyst::Engine::HTTP::Prefork, which this module
is heavily based on.
Kazuho Oku wrote Net::Server::SS::PreFork that makes it easy to add
Server::Starter support to this software.
Tatsuhiko Miyagawa, 2010-
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
Plack Catalyst::Engine::HTTP::Prefork Net::Server::PreFork
|perl v5.20.3 ||STARMAN (3) ||2015-06-03 |
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