[wp-meta] [Making WordPress.org] #6677: Update plugin search algorithm for Elasticsearch version 7

[Making WordPress.org]

#6677: Update plugin search algorithm for Elasticsearch version 7
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 Reporter:  robfelty          |      Owner:  (none)
     Type:  defect (bug)      |     Status:  new
 Priority:  normal            |  Milestone:
Component:  Plugin Directory  |   Keywords:
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 The plugin search on wordpress.org (and also in wp-admin) is powered by
 Elasticsearch. Currently the index is running on Elasticsearch version 2,
 which is quite outdated. We would like to move the index to Elasticsearch
 version 7, in order to be more up to date. In testing this change, we
 noticed that some internal scoring changes in Elasticsearch resulted in
 different results, giving higher weight to the boosting parts of the
 search query, such as ranking plugins with higher install counts higher.
 In order to keep the results as similar as possible to the current
 results, these changes give slightly higher weight to the text based parts
 of the query, giving similar results to the current query when running on
 Elasticsearch 7.

 Deploying this change should be done at the same time that the active
 version of the index is updated to the new version running Elasticsearch
 7.

 I am attaching a patch to the plugin search algorithm.

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Ticket URL: <https://meta.trac.wordpress.org/ticket/6677>
Making WordPress.org <https://meta.trac.wordpress.org/>
Making WordPress.org