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authorAndrew Morgan <andrew@amorgan.xyz>2021-04-20 17:11:36 +0100
committerAndrew Morgan <andrew@amorgan.xyz>2021-04-21 14:00:31 +0100
commit30c94862b4fbaa782e47eac37a673a53feae2bb1 (patch)
treeecdc55b9184b278341bf696fe555a4d93f09800c /UPGRADE.rst
parentStop BackgroundProcessLoggingContext making new prometheus timeseries (#9854) (diff)
downloadsynapse-30c94862b4fbaa782e47eac37a673a53feae2bb1.tar.xz
Mention Prometheus metrics regression in v1.32.0
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@@ -88,6 +88,15 @@ for example:
 Upgrading to v1.32.0
 ====================
 
+Regression causing connected Prometheus instances to become overwhelmed
+-----------------------------------------------------------------------
+
+This release introduces `a regression <https://githubcom/matrix-org/synapse/issues/9853>`_
+that can overwhelm connected Prometheus instances. This issue was not present in
+Synapse v1.32.0rc1. It is recommended not to update to this release. If you have
+upgraded to v1.32.0 already, please downgrade to v1.31.0. This issue will be
+resolved in a subsequent release version shortly.
+
 Dropping support for old Python, Postgres and SQLite versions
 -------------------------------------------------------------