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54 lines
2.6 KiB
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54 lines
2.6 KiB
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=======================
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Upgrade to Nextcloud 31
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=======================
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System requirements
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-------------------
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* PHP 8.1 is now deprecated but still supported.
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* PHP 8.4 is now supported, but 8.3 is recommended.
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Database configuration
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----------------------
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Other row formats than ``DYNAMIC`` for MySQL and MariaDB databases will `issue a warning since Nextcloud 24 <https://github.com/nextcloud/server/issues/34497>`_,
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as they often cause performance issues.
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With Nextcloud 31 a `more prominent new setup warning <https://github.com/nextcloud/server/pull/48547>`_ for this was added.
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The row format can be changed via ``ALTER TABLE`` DDL commands during a maintenance window.
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Changing the row format from ``COMPRESSED`` to ``DYNAMIC`` requires about 2x the disk space and may take a long time depending on the size of the database.
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See the `MySQL documentation <https://dev.mysql.com/doc/refman/en/innodb-row-format.html>`_ for more information.
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If you're not sure how to do this, you can `find some tips and tricks from the community <https://help.nextcloud.com/t/upgrade-to-nextcloud-hub-10-31-0-0-incorrect-row-format-found-in-your-database/218366/>`_.
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PHP configuration
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-----------------
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We have a new setup warning to check if the memory reserved for APCu is high enough.
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If you see this warning, you should increase the memory reserved for APCu.
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You can do this by increasing the value of the ``apc.shm_size`` directive in your ``php.ini`` file.
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It is generally advised to review this value and increase it if necessary depending on your instance size.
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Nextcloud configuration
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-----------------------
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Maximum chunk size
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^^^^^^^^^^^^^^^^^^
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We have adjusted the default maximum chunk size for big file uploading.
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Previously it was set to 10MiB, it is now increased to 100MiB.
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Also the configuration was moved from an app configuration to the system configuration (``config.php``).
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If you set up a custom value previously the value will be automatically migrated to the system configuration during the update.
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But if you need to set a new custom value you need now to use the system configuration, see also :ref:`files_configure_max_chunk_size`.
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Monitoring: Counting of active users
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------------------------------------
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Starting with Nextcloud 31.0.6 the monitoring app was adjusted to count the active users in the same way as occ user:report and the support app.
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Previews
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--------
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Starting with Nextcloud 31.0.10, the preview provider for MP3 files, which reads cover images embedded in the files, is disabled by default for performance and stability reasons.
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See :doc:`../configuration_files/previews_configuration` for details on how to enable or disable the preview provider.
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