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Merge pull request #659 from matrix-org/erikj/state_cache_factor

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Make stateGroupCache honour CACHE_SIZE_FACTOR
This commit is contained in:
Erik Johnston 2016-03-22 13:12:01 +00:00
commit f93304e77f
1 changed files with 7 additions and 1 deletions
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8
synapse/storage/_base.py
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@ -26,6 +26,10 @@ 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__)
@ -163,7 +167,9 @@ class SQLBaseStore(object):
self._get_event_cache = Cache("*getEvent*", keylen=3, lru=True,
max_entries=hs.config.event_cache_size)
self._state_group_cache = DictionaryCache("*stateGroupCache*", 2000)
self._state_group_cache = DictionaryCache(
"*stateGroupCache*", 2000 * CACHE_SIZE_FACTOR
)
self._event_fetch_lock = threading.Condition()
self._event_fetch_list = []