Add more logging around message retention policies support (#6717)

So we can debug issues like #6683 more easily

1 files changed, 8 insertions, 0 deletions

diff --git a/synapse/config/server.py b/synapse/config/server.py

index 9ac112233b..0ec1b0fadd 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -294,6 +294,14 @@ class ServerConfig(Config):
             self.retention_default_min_lifetime = None
             self.retention_default_max_lifetime = None
 
+        if self.retention_enabled:
+            logger.info(
+                "Message retention policies support enabled with the following default"
+                " policy: min_lifetime = %s ; max_lifetime = %s",
+                self.retention_default_min_lifetime,
+                self.retention_default_max_lifetime,
+            )
+
         self.retention_allowed_lifetime_min = retention_config.get(
             "allowed_lifetime_min"
         )