diff --git a/synapse/util/caches/__init__.py b/synapse/util/caches/__init__.py
index 4a83c46d98..4adae96681 100644
--- a/synapse/util/caches/__init__.py
+++ b/synapse/util/caches/__init__.py
@@ -16,7 +16,7 @@
import synapse.metrics
import os
-CACHE_SIZE_FACTOR = float(os.environ.get("SYNAPSE_CACHE_FACTOR", 0.1))
+CACHE_SIZE_FACTOR = float(os.environ.get("SYNAPSE_CACHE_FACTOR", 0.5))
metrics = synapse.metrics.get_metrics_for("synapse.util.caches")
diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py
index cbdff86596..af65bfe7b8 100644
--- a/synapse/util/caches/descriptors.py
+++ b/synapse/util/caches/descriptors.py
@@ -16,6 +16,7 @@ import logging
from synapse.util.async import ObservableDeferred
from synapse.util import unwrapFirstError, logcontext
+from synapse.util.caches import CACHE_SIZE_FACTOR
from synapse.util.caches.lrucache import LruCache
from synapse.util.caches.treecache import TreeCache, iterate_tree_cache_entry
from synapse.util.stringutils import to_ascii
@@ -25,7 +26,6 @@ from . import register_cache
from twisted.internet import defer
from collections import namedtuple
-import os
import functools
import inspect
import threading
@@ -37,9 +37,6 @@ logger = logging.getLogger(__name__)
_CacheSentinel = object()
-CACHE_SIZE_FACTOR = float(os.environ.get("SYNAPSE_CACHE_FACTOR", 0.1))
-
-
class CacheEntry(object):
__slots__ = [
"deferred", "sequence", "callbacks", "invalidated"
diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py
index 609625b322..941d873ab8 100644
--- a/synapse/util/caches/stream_change_cache.py
+++ b/synapse/util/caches/stream_change_cache.py
@@ -13,20 +13,16 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-from synapse.util.caches import register_cache
+from synapse.util.caches import register_cache, CACHE_SIZE_FACTOR
from blist import sorteddict
import logging
-import os
logger = logging.getLogger(__name__)
-CACHE_SIZE_FACTOR = float(os.environ.get("SYNAPSE_CACHE_FACTOR", 0.1))
-
-
class StreamChangeCache(object):
"""Keeps track of the stream positions of the latest change in a set of entities.
|
