diff --git a/synapse/state.py b/synapse/state.py
index 5b386e3183..390799fbd5 100644
--- a/synapse/state.py
+++ b/synapse/state.py
@@ -24,13 +24,13 @@ from synapse.api.constants import EventTypes
from synapse.api.errors import AuthError
from synapse.events.snapshot import EventContext
from synapse.util.async import Linearizer
+from synapse.util.caches import CACHE_SIZE_FACTOR
from collections import namedtuple
from frozendict import frozendict
import logging
import hashlib
-import os
logger = logging.getLogger(__name__)
@@ -38,9 +38,6 @@ logger = logging.getLogger(__name__)
KeyStateTuple = namedtuple("KeyStateTuple", ("context", "type", "state_key"))
-CACHE_SIZE_FACTOR = float(os.environ.get("SYNAPSE_CACHE_FACTOR", 0.1))
-
-
SIZE_OF_CACHE = int(100000 * CACHE_SIZE_FACTOR)
EVICTION_TIMEOUT_SECONDS = 60 * 60
diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py
index 51730a88bf..6f54036d67 100644
--- a/synapse/storage/_base.py
+++ b/synapse/storage/_base.py
@@ -16,6 +16,7 @@ import logging
from synapse.api.errors import StoreError
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
+from synapse.util.caches import CACHE_SIZE_FACTOR
from synapse.util.caches.dictionary_cache import DictionaryCache
from synapse.util.caches.descriptors import Cache
from synapse.storage.engines import PostgresEngine
@@ -27,10 +28,6 @@ from twisted.internet import defer
import sys
import time
import threading
-import os
-
-
-CACHE_SIZE_FACTOR = float(os.environ.get("SYNAPSE_CACHE_FACTOR", 0.1))
logger = logging.getLogger(__name__)
diff --git a/synapse/storage/client_ips.py b/synapse/storage/client_ips.py
index 88a5eb232f..fc468ea185 100644
--- a/synapse/storage/client_ips.py
+++ b/synapse/storage/client_ips.py
@@ -20,7 +20,8 @@ from twisted.internet import defer, reactor
from ._base import Cache
from . import background_updates
-import os
+from synapse.util.caches import CACHE_SIZE_FACTOR
+
logger = logging.getLogger(__name__)
@@ -30,9 +31,6 @@ logger = logging.getLogger(__name__)
LAST_SEEN_GRANULARITY = 120 * 1000
-CACHE_SIZE_FACTOR = float(os.environ.get("SYNAPSE_CACHE_FACTOR", 0.1))
-
-
class ClientIpStore(background_updates.BackgroundUpdateStore):
def __init__(self, hs):
self.client_ip_last_seen = Cache(
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.
|
