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December 22, 2015 00:28
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serving up gzipped content from MarkLogic
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| In a lot of cases, gzipping content before you send it to an HTTP client can make a huge difference in download times. | |
| compare downloaded file size of the following two approaches; | |
| xquery version "1.0-ml"; | |
| let $page :=<html> | |
| <body> | |
| <h2>Without Gzip</h2> | |
| { | |
| for $a in (1 to 100) | |
| return | |
| <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Donec hendrerit tempor tellus. Donec pretium posuere tellus. Proin quam nisl, tincidunt et, mattis eget, convallis nec, purus. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Nulla posuere. Donec vitae dolor. Nullam tristique diam non turpis. Cras placerat accumsan nulla. Nullam rutrum. Nam vestibulum accumsan nisl.</p> | |
| } | |
| </body> | |
| </html> | |
| return | |
| ( | |
| xdmp:set-response-content-type("text/html"), | |
| $page | |
| ) | |
| to the gzipped enabled version | |
| xquery version "1.0-ml"; | |
| let $page :=<html> | |
| <body> | |
| <h2>Gzip test</h2> | |
| { | |
| for $a in (1 to 100) | |
| return | |
| <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Donec hendrerit tempor tellus. Donec pretium posuere tellus. Proin quam nisl, tincidunt et, mattis eget, convallis nec, purus. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Nulla posuere. Donec vitae dolor. Nullam tristique diam non turpis. Cras placerat accumsan nulla. Nullam rutrum. Nam vestibulum accumsan nisl.</p> | |
| } | |
| </body> | |
| </html> | |
| return | |
| if( contains(xdmp:get-request-header("Accept-Encoding"), "gzip") ) | |
| then | |
| ( | |
| xdmp:set-response-content-type("text/html"), | |
| xdmp:add-response-header("Content-encoding", "gzip"), | |
| xdmp:gzip($page) | |
| ) | |
| else | |
| ( | |
| xdmp:set-response-content-type("text/html"), | |
| $page | |
| ) | |
| its not a magic solution but its something that can almost immediately speed up most MarkLogic web app today. |
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