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-rw-r--r--docs/sample_config.yaml62
1 files changed, 34 insertions, 28 deletions
diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index 6fcc022b47..c04aca1f42 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -673,35 +673,41 @@ retention:
 #event_cache_size: 10K
 
 caches:
-   # Controls the global cache factor, which is the default cache factor
-   # for all caches if a specific factor for that cache is not otherwise
-   # set.
-   #
-   # This can also be set by the "SYNAPSE_CACHE_FACTOR" environment
-   # variable. Setting by environment variable takes priority over
-   # setting through the config file.
-   #
-   # Defaults to 0.5, which will half the size of all caches.
-   #
-   #global_factor: 1.0
+  # Controls the global cache factor, which is the default cache factor
+  # for all caches if a specific factor for that cache is not otherwise
+  # set.
+  #
+  # This can also be set by the "SYNAPSE_CACHE_FACTOR" environment
+  # variable. Setting by environment variable takes priority over
+  # setting through the config file.
+  #
+  # Defaults to 0.5, which will half the size of all caches.
+  #
+  #global_factor: 1.0
 
-   # A dictionary of cache name to cache factor for that individual
-   # cache. Overrides the global cache factor for a given cache.
-   #
-   # These can also be set through environment variables comprised
-   # of "SYNAPSE_CACHE_FACTOR_" + the name of the cache in capital
-   # letters and underscores. Setting by environment variable
-   # takes priority over setting through the config file.
-   # Ex. SYNAPSE_CACHE_FACTOR_GET_USERS_WHO_SHARE_ROOM_WITH_USER=2.0
-   #
-   # Some caches have '*' and other characters that are not
-   # alphanumeric or underscores. These caches can be named with or
-   # without the special characters stripped. For example, to specify
-   # the cache factor for `*stateGroupCache*` via an environment
-   # variable would be `SYNAPSE_CACHE_FACTOR_STATEGROUPCACHE=2.0`.
-   #
-   per_cache_factors:
-     #get_users_who_share_room_with_user: 2.0
+  # A dictionary of cache name to cache factor for that individual
+  # cache. Overrides the global cache factor for a given cache.
+  #
+  # These can also be set through environment variables comprised
+  # of "SYNAPSE_CACHE_FACTOR_" + the name of the cache in capital
+  # letters and underscores. Setting by environment variable
+  # takes priority over setting through the config file.
+  # Ex. SYNAPSE_CACHE_FACTOR_GET_USERS_WHO_SHARE_ROOM_WITH_USER=2.0
+  #
+  # Some caches have '*' and other characters that are not
+  # alphanumeric or underscores. These caches can be named with or
+  # without the special characters stripped. For example, to specify
+  # the cache factor for `*stateGroupCache*` via an environment
+  # variable would be `SYNAPSE_CACHE_FACTOR_STATEGROUPCACHE=2.0`.
+  #
+  per_cache_factors:
+    #get_users_who_share_room_with_user: 2.0
+
+  # Controls how long an entry can be in a cache without having been
+  # accessed before being evicted. Defaults to None, which means
+  # entries are never evicted based on time.
+  #
+  #expiry_time: 30m
 
 
 ## Database ##