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authorRichard van der Hoff <1389908+richvdh@users.noreply.github.com>2021-05-24 14:02:01 +0100
committerGitHub <noreply@github.com>2021-05-24 14:02:01 +0100
commitc0df6bae066fe818bb80d41af65503be7a07275d (patch)
treeb12bade69c01d30d453c718fe70b9186890c4bc9 /synapse/storage/databases
parentEnable experimental spaces by default. (#10011) (diff)
downloadsynapse-c0df6bae066fe818bb80d41af65503be7a07275d.tar.xz
Remove `keylen` from `LruCache`. (#9993)
`keylen` seems to be a thing that is frequently incorrectly set, and we don't really need it.

The only time it was used was to figure out if we had removed a subtree in `del_multi`, which we can do better by changing `TreeCache.pop` to return a different type (`TreeCacheNode`).

Commits should be independently reviewable.
Diffstat (limited to 'synapse/storage/databases')
-rw-r--r--synapse/storage/databases/main/client_ips.py2
-rw-r--r--synapse/storage/databases/main/devices.py2
-rw-r--r--synapse/storage/databases/main/events_worker.py1
3 files changed, 2 insertions, 3 deletions
diff --git a/synapse/storage/databases/main/client_ips.py b/synapse/storage/databases/main/client_ips.py
index d60010e942..074b077bef 100644
--- a/synapse/storage/databases/main/client_ips.py
+++ b/synapse/storage/databases/main/client_ips.py
@@ -436,7 +436,7 @@ class ClientIpStore(ClientIpWorkerStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
 
         self.client_ip_last_seen = LruCache(
-            cache_name="client_ip_last_seen", keylen=4, max_size=50000
+            cache_name="client_ip_last_seen", max_size=50000
         )
 
         super().__init__(database, db_conn, hs)
diff --git a/synapse/storage/databases/main/devices.py b/synapse/storage/databases/main/devices.py
index a1f98b7e38..fd87ba71ab 100644
--- a/synapse/storage/databases/main/devices.py
+++ b/synapse/storage/databases/main/devices.py
@@ -1053,7 +1053,7 @@ class DeviceStore(DeviceWorkerStore, DeviceBackgroundUpdateStore):
         # Map of (user_id, device_id) -> bool. If there is an entry that implies
         # the device exists.
         self.device_id_exists_cache = LruCache(
-            cache_name="device_id_exists", keylen=2, max_size=10000
+            cache_name="device_id_exists", max_size=10000
         )
 
     async def store_device(
diff --git a/synapse/storage/databases/main/events_worker.py b/synapse/storage/databases/main/events_worker.py
index 2c823e09cf..6963bbf7f4 100644
--- a/synapse/storage/databases/main/events_worker.py
+++ b/synapse/storage/databases/main/events_worker.py
@@ -157,7 +157,6 @@ class EventsWorkerStore(SQLBaseStore):
 
         self._get_event_cache = LruCache(
             cache_name="*getEvent*",
-            keylen=3,
             max_size=hs.config.caches.event_cache_size,
         )