Experience in Extending Query Engine for Continuous Analytics

 
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Old 05-22-2010
Experience in Extending Query Engine for Continuous Analytics

HPL-2010-44 Experience in Extending Query Engine for Continuous Analytics - Chen, Qiming; Hsu, Meichun
Keyword(s): In-Database Stream Processing
Abstract: Combining data warehousing and stream processing technologies has great potential in offering low-latency data-intensive analytics. Unfortunately, such convergence has not been properly addressed so far. The current generation of stream processing systems is in general built separately from the data ...
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Catalyst::Engine::Apache(3pm)				User Contributed Perl Documentation			     Catalyst::Engine::Apache(3pm)

NAME
Catalyst::Engine::Apache - Catalyst Apache Engines SYNOPSIS
For example Apache configurations, see the documentation for the engine that corresponds to your Apache version. "Catalyst::Engine::Apache::MP13" - mod_perl 1.3x "Catalyst::Engine::Apache2::MP19" - mod_perl 1.99x "Catalyst::Engine::Apache2::MP20" - mod_perl 2.x DESCRIPTION
These classes provide mod_perl support for Catalyst. METHODS
$c->engine->apache Returns an "Apache", "Apache::RequestRec" or "Apache2::RequestRec" object, depending on your mod_perl version. This method is also available as $c->apache. $c->engine->return If you need to return something other than OK from the mod_perl handler, you may set any other Apache constant in this method. You should only use this method if you know what you are doing or bad things may happen! For example, to return DECLINED in mod_perl 2: use Apache2::Const -compile => qw(DECLINED); $c->engine->return( Apache2::Const::DECLINED ); NOTES ABOUT LOCATIONMATCH The Apache engine tries to figure out the correct base path if your app is running within a LocationMatch block. For example: <LocationMatch ^/match/(this|that)*> SetHandler modperl PerlResponseHandler MyApp </LocationMatch> This will correctly set the base path to '/match/this/' or '/match/that/' depending on which path was used for the request. In some cases this may not be what you want, so you can disable this behavior by adding this to your configuration: PerlSetVar CatalystDisableLocationMatch 1 NOTES ON NON-STANDARD PORTS If you wish to run your site on a non-standard port you will need to use the "Port" Apache config rather than "Listen". This will result in the correct port being added to urls created using "uri_for". Port 8080 OVERLOADED METHODS
This class overloads some methods from "Catalyst::Engine". prepare_request($r) prepare_connection prepare_query_parameters prepare_headers prepare_path read_chunk finalize_body finalize_headers write SEE ALSO
Catalyst Catalyst::Engine. AUTHORS
o Sebastian Riedel <sri@cpan.org> o Christian Hansen <ch@ngmedia.com> o Andy Grundman <andy@hybridized.org> o Tomas Doran <bobtfish@bobtfish.net> COPYRIGHT AND LICENSE
This software is copyright (c) 2010 by The "AUTHORS". This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself. perl v5.10.1 2010-11-26 Catalyst::Engine::Apache(3pm)