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| Plack::Loader::Delayed(3) | User Contributed Perl Documentation | Plack::Loader::Delayed(3) |
NAME
Plack::Loader::Delayed - Delay the loading of .psgi until the first runSYNOPSIS
plackup -s Starlet -L Delayed myapp.psgi
DESCRIPTION
This loader delays the compilation of specified PSGI application until the first request time. This prevents bad things from happening with preforking web servers like Starlet, when your application manipulates resources such as sockets or database connections in the master startup process and then shared by children.You can combine this loader with "-M" command line option, like:
plackup -s Starlet -MCatalyst -L Delayed myapp.psgi
loads the module Catalyst in the master process for the better process management with copy-on-write, however the application "myapp.psgi" is loaded per children.
Starman since version 0.2000 loads this loader by default unless you specify the command line option "--preload-app" for the starman executable.
DEVELOPERS
Web server developers can make use of "psgi_app_builder" attribute callback set in Plack::Handler, to load the application earlier than the first request time.AUTHOR
Tatsuhiko MiyagawaSEE ALSO
plackup| 2020-11-30 | perl v5.32.1 |
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