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authorShay <hillerys@element.io>2022-02-11 11:05:20 -0800
committerGitHub <noreply@github.com>2022-02-11 11:05:20 -0800
commitb2b971f28a19c7fb31df79db29060ae72ba06e6b (patch)
treec52ac988207d255ce8fdf4ab8cf4d6f607ef1a9f /docs/upgrade.md
parentSupport the MSC3715 for `/relations`. (#11941) (diff)
downloadsynapse-b2b971f28a19c7fb31df79db29060ae72ba06e6b.tar.xz
Enable cache time-based expiry by default (#11849)
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 Please update any relevant reverse proxy or firewall configurations appropriately.
 
+## Time-based cache expiry is now enabled by default
+
+Formerly, entries in the cache were not evicted regardless of whether they were accessed after storing.
+This behavior has now changed. By default entries in the cache are now evicted after 30m of not being accessed. 
+To change the default behavior, go to the `caches` section of the config and change the `expire_caches` and 
+`cache_entry_ttl` flags as necessary. Please note that these flags replace the `expiry_time` flag in the config.  
+
 ## Deprecation of `capability` `org.matrix.msc3283.*`
 
 The `capabilities` of MSC3283 from the REST API `/_matrix/client/r0/capabilities`