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Merged
CarlSchwan merged 1 commit into from
Mar 18, 2022
Merged

Add documentation for preview hpb with Imaginary #8121

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28 changes: 28 additions & 0 deletions admin_manual/installation/server_tuning.rst
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Expand Up @@ -123,3 +123,31 @@ To disable the revalidation completely:
Any change to ``config.php`` will then require either restarting PHP, manually clearing the cache, or invalidating this particular script.

For more details check out the `official documentation <https://php.net/manual/en/opcache.configuration.php>`_. To monitor OPcache usage, clear individual or all cache entries, `opcache-gui <https://github.com/amnuts/opcache-gui>`_ can be used.

Previews
--------

It is possible to speed up preview generation using an
external microservice: `Imaginary <https://github.com/h2non/imaginary>`.

To do so, you will need to deploy the service and make sure that it is
not accessible from outside of your servers. Then you can configure
Nextcloud to use Imaginary by editing your `config.php`:

.. code:: php

<?php
'enabledPreviewProviders' => [
'OC\Preview\MP3',
'OC\Preview\TXT',
'OC\Preview\MarkDown',
'OC\Preview\OpenDocument',
'OC\Preview\Krita',
'OC\Preview\Imaginary',
],
'preview_imaginary_url' => 'http://<url of imaginary>',


.. note::

For large instance, you should follow `Imaginary's scability recommandation <https://github.com/h2non/imaginary#scalability>`