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| author | Erik Johnston <erik@matrix.org> | 2016-03-01 12:56:39 +0000 |
|---|---|---|
| committer | Erik Johnston <erik@matrix.org> | 2016-03-01 12:56:39 +0000 |
| commit | 910fc0f28f82ca7c719b5bbe98f4d3c2d0d76abf (patch) | |
| tree | 7f3562e80c4557189de140e1075d7597b39fc148 /synapse/util/caches/descriptors.py | |
| parent | Merge pull request #611 from matrix-org/erikj/expiring_cache_size (diff) | |
| download | synapse-910fc0f28f82ca7c719b5bbe98f4d3c2d0d76abf.tar.xz | |
Add enviroment variable SYNAPSE_CACHE_FACTOR, default it to 0.1
Diffstat (limited to 'synapse/util/caches/descriptors.py')
| -rw-r--r-- | synapse/util/caches/descriptors.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py index 277854ccbc..2b51ad6d04 100644 --- a/synapse/util/caches/descriptors.py +++ b/synapse/util/caches/descriptors.py @@ -28,6 +28,7 @@ from twisted.internet import defer from collections import OrderedDict +import os import functools import inspect import threading @@ -38,9 +39,14 @@ logger = logging.getLogger(__name__) _CacheSentinel = object() +CACHE_SIZE_FACTOR = float(os.environ.get("SYNAPSE_CACHE_FACTOR", 0.1)) + + class Cache(object): def __init__(self, name, max_entries=1000, keylen=1, lru=True, tree=False): + max_entries = int(max_entries * CACHE_SIZE_FACTOR) + if lru: cache_type = TreeCache if tree else dict self.cache = LruCache( |