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Make LRU cache not default to treecache & add options to use it

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This commit is contained in:
David Baker 2016-01-22 12:10:33 +00:00
parent 5b142788d2
commit 10f76dc5da
4 changed files with 29 additions and 19 deletions
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9
synapse/util/caches/lrucache.py
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@ -17,8 +17,6 @@
from functools import wraps
import threading
from synapse.util.caches.treecache import TreeCache
def enumerate_leaves(node, depth):
if depth == 0:
@ -31,8 +29,8 @@ def enumerate_leaves(node, depth):
class LruCache(object):
"""Least-recently-used cache."""
def __init__(self, max_size, keylen):
cache = TreeCache()
def __init__(self, max_size, keylen, cache_type=dict):
cache = cache_type()
self.size = 0
list_root = []
list_root[:] = [list_root, list_root, None, None]
@ -124,6 +122,9 @@ class LruCache(object):
@synchronized
def cache_del_multi(key):
"""
This will only work if constructed with cache_type=TreeCache
"""
popped = cache.pop(key)
if popped is None:
return