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authorRichard van der Hoff <1389908+richvdh@users.noreply.github.com>2018-04-05 17:21:18 +0100
committerGitHub <noreply@github.com>2018-04-05 17:21:18 +0100
commitd1679a4ed7947b0814e0f2af9b888a16c588f1a1 (patch)
tree743ec101b925152bd3823e821b22f4e6e1a8d613 /docs/metrics-howto.rst
parentMerge pull request #3045 from matrix-org/dbkr/group_joinable (diff)
parentRemove redundant metrics which were deprecated in 0.27.0. (diff)
downloadsynapse-d1679a4ed7947b0814e0f2af9b888a16c588f1a1.tar.xz
Merge pull request #3066 from matrix-org/rav/remove_redundant_metrics
Remove redundant metrics which were deprecated in 0.27.0.
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@@ -34,6 +34,17 @@ How to monitor Synapse metrics using Prometheus
    Restart prometheus.
 
 
+Deprecated metrics removed in 0.28.0
+------------------------------------
+
+Synapse 0.28.0 removes all of the metrics deprecated by 0.27.0, which are those
+listed under "Old name" below. This has been done to reduce the bandwidth used
+by gathering metrics and the storage requirements for the Prometheus server, as
+well as reducing CPU overhead for both Synapse and Prometheus.
+
+Administrators should update any alerts or monitoring dashboards to use the
+"New name" listed below.
+
 Block and response metrics renamed for 0.27.0
 ---------------------------------------------