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https://gerrit.wikimedia.org/r/mediawiki/extensions/Popups
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7ef925fb97
It is probably not that critical to understand if "09/11/2016" refers to September 11th or November 9th. I still think it's worth looking for a documentation format that is easy to understand by an international developers community. My personal best practice is to use the ISO format. Change-Id: Ib209a8a1651970d74f82c188ae4b84d1a4eb534e
35 lines
1.3 KiB
Markdown
35 lines
1.3 KiB
Markdown
# 9. Utilize browser caching
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Date: 2017-05-24
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## Status
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Accepted
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## Context
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We needed to make sure we're not overloading the servers with excessive
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requests. We wanted to find a way to serve fresh resources while keeping
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the back-end happy.
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## Decision
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Page Previews will leverage the browser's cache rather than maintaining its own.
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We rely on Grade A browsers implementing HTTP caching correctly and their
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vendors making accessing them as efficient as possible in order to avoid
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incurring the incidental complexity of writing our own cache in JavaScript.
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We'll set appropriate `Cache-Control` HTTP headers for both the MediaWiki API,
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via [the `maxage` and `smaxage` main module parameters][0], and the RESTBase page
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summary endpoint with the help of the Services team.
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## Consequences
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Resources fetched from the MediaWiki API [will be cached for 5 minutes in public
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caches and the browsers's cache][1]. Unlike the MediaWiki API, resources fetched
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from the RESTBase endpoint, [will be cached for 14 days in public caches][2].
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[0]: https://www.mediawiki.org/wiki/API:Main_module#Parameters
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[1]: https://github.com/wikimedia/mediawiki-extensions-Popups/blob/86075fba/src/gateway/mediawiki.js#L15
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[2]: https://github.com/wikimedia/mediawiki-services-restbase-deploy/blob/9a86d4ce/scap/templates/config.yaml.j2#L100-L101
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