Add some notes on rolling back to v1.3.1. (#6049)
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UPGRADE.rst
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UPGRADE.rst
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@ -99,6 +99,31 @@ Synapse will expect these files to exist inside the configured template director
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default templates, see `synapse/res/templates
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<https://github.com/matrix-org/synapse/tree/master/synapse/res/templates>`_.
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Rolling back to v1.3.1
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----------------------
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If you encounter problems with v1.4.0, it should be possible to roll back to
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v1.3.1, subject to the following:
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* The 'room statistics' engine was heavily reworked in this release (see
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`#5971 <https://github.com/matrix-org/synapse/pull/5971>`_), including
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significant changes to the database schema, which are not easily
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reverted. This will cause the room statistics engine to stop updating when
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you downgrade.
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The room statistics are essentially unused in v1.3.1 (in future versions of
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Synapse, they will be used to populate the room directory), so there should
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be no loss of functionality. However, the statistics engine will write errors
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to the logs, which can be avoided by setting the following in `homeserver.yaml`:
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.. code:: yaml
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stats:
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enabled: false
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Don't forget to re-enable it when you upgrade again, in preparation for its
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use in the room directory!
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Upgrading to v1.2.0
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===================
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@ -0,0 +1 @@
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Add some notes on rolling back to v1.3.1.
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