diff options
Diffstat (limited to 'synapse/util')
| -rw-r--r-- | synapse/util/caches/__init__.py | 20 | ||||
| -rw-r--r-- | synapse/util/caches/descriptors.py | 17 | ||||
| -rw-r--r-- | synapse/util/caches/dictionary_cache.py | 8 | ||||
| -rw-r--r-- | synapse/util/caches/expiringcache.py | 8 | ||||
| -rw-r--r-- | synapse/util/caches/stream_change_cache.py | 16 |
5 files changed, 44 insertions, 25 deletions
diff --git a/synapse/util/caches/__init__.py b/synapse/util/caches/__init__.py index d53569ca49..ebd715c5dc 100644 --- a/synapse/util/caches/__init__.py +++ b/synapse/util/caches/__init__.py @@ -24,11 +24,21 @@ DEBUG_CACHES = False metrics = synapse.metrics.get_metrics_for("synapse.util.caches") caches_by_name = {} -cache_counter = metrics.register_cache( - "cache", - lambda: {(name,): len(caches_by_name[name]) for name in caches_by_name.keys()}, - labels=["name"], -) +# cache_counter = metrics.register_cache( +# "cache", +# lambda: {(name,): len(caches_by_name[name]) for name in caches_by_name.keys()}, +# labels=["name"], +# ) + + +def register_cache(name, cache): + caches_by_name[name] = cache + return metrics.register_cache( + "cache", + lambda: len(cache), + name, + ) + _string_cache = LruCache(int(5000 * CACHE_SIZE_FACTOR)) caches_by_name["string_cache"] = _string_cache diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py index 758f5982b0..5d25c9e762 100644 --- a/synapse/util/caches/descriptors.py +++ b/synapse/util/caches/descriptors.py @@ -22,7 +22,7 @@ from synapse.util.logcontext import ( PreserveLoggingContext, preserve_context_over_deferred, preserve_context_over_fn ) -from . import caches_by_name, DEBUG_CACHES, cache_counter +from . import DEBUG_CACHES, register_cache from twisted.internet import defer @@ -43,6 +43,15 @@ CACHE_SIZE_FACTOR = float(os.environ.get("SYNAPSE_CACHE_FACTOR", 0.1)) class Cache(object): + __slots__ = ( + "cache", + "max_entries", + "name", + "keylen", + "sequence", + "thread", + "metrics", + ) def __init__(self, name, max_entries=1000, keylen=1, lru=True, tree=False): if lru: @@ -59,7 +68,7 @@ class Cache(object): self.keylen = keylen self.sequence = 0 self.thread = None - caches_by_name[name] = self.cache + self.metrics = register_cache(name, self.cache) def check_thread(self): expected_thread = self.thread @@ -74,10 +83,10 @@ class Cache(object): def get(self, key, default=_CacheSentinel): val = self.cache.get(key, _CacheSentinel) if val is not _CacheSentinel: - cache_counter.inc_hits(self.name) + self.metrics.inc_hits() return val - cache_counter.inc_misses(self.name) + self.metrics.inc_misses() if default is _CacheSentinel: raise KeyError() diff --git a/synapse/util/caches/dictionary_cache.py b/synapse/util/caches/dictionary_cache.py index f92d80542b..b0ca1bb79d 100644 --- a/synapse/util/caches/dictionary_cache.py +++ b/synapse/util/caches/dictionary_cache.py @@ -15,7 +15,7 @@ from synapse.util.caches.lrucache import LruCache from collections import namedtuple -from . import caches_by_name, cache_counter +from . import register_cache import threading import logging @@ -43,7 +43,7 @@ class DictionaryCache(object): __slots__ = [] self.sentinel = Sentinel() - caches_by_name[name] = self.cache + self.metrics = register_cache(name, self.cache) def check_thread(self): expected_thread = self.thread @@ -58,7 +58,7 @@ class DictionaryCache(object): def get(self, key, dict_keys=None): entry = self.cache.get(key, self.sentinel) if entry is not self.sentinel: - cache_counter.inc_hits(self.name) + self.metrics.inc_hits() if dict_keys is None: return DictionaryEntry(entry.full, dict(entry.value)) @@ -69,7 +69,7 @@ class DictionaryCache(object): if k in entry.value }) - cache_counter.inc_misses(self.name) + self.metrics.inc_misses() return DictionaryEntry(False, {}) def invalidate(self, key): diff --git a/synapse/util/caches/expiringcache.py b/synapse/util/caches/expiringcache.py index 2b68c1ac93..080388958f 100644 --- a/synapse/util/caches/expiringcache.py +++ b/synapse/util/caches/expiringcache.py @@ -13,7 +13,7 @@ # See the License for the specific language governing permissions and # limitations under the License. -from synapse.util.caches import cache_counter, caches_by_name +from synapse.util.caches import register_cache import logging @@ -49,7 +49,7 @@ class ExpiringCache(object): self._cache = {} - caches_by_name[cache_name] = self._cache + self.metrics = register_cache(cache_name, self._cache) def start(self): if not self._expiry_ms: @@ -78,9 +78,9 @@ class ExpiringCache(object): def __getitem__(self, key): try: entry = self._cache[key] - cache_counter.inc_hits(self._cache_name) + self.metrics.inc_hits() except KeyError: - cache_counter.inc_misses(self._cache_name) + self.metrics.inc_misses() raise if self._reset_expiry_on_get: diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py index ea8a74ca69..3c051dabc4 100644 --- a/synapse/util/caches/stream_change_cache.py +++ b/synapse/util/caches/stream_change_cache.py @@ -13,7 +13,7 @@ # See the License for the specific language governing permissions and # limitations under the License. -from synapse.util.caches import cache_counter, caches_by_name +from synapse.util.caches import register_cache from blist import sorteddict @@ -42,7 +42,7 @@ class StreamChangeCache(object): self._cache = sorteddict() self._earliest_known_stream_pos = current_stream_pos self.name = name - caches_by_name[self.name] = self._cache + self.metrics = register_cache(self.name, self._cache) for entity, stream_pos in prefilled_cache.items(): self.entity_has_changed(entity, stream_pos) @@ -53,19 +53,19 @@ class StreamChangeCache(object): assert type(stream_pos) is int if stream_pos < self._earliest_known_stream_pos: - cache_counter.inc_misses(self.name) + self.metrics.inc_misses() return True latest_entity_change_pos = self._entity_to_key.get(entity, None) if latest_entity_change_pos is None: - cache_counter.inc_hits(self.name) + self.metrics.inc_hits() return False if stream_pos < latest_entity_change_pos: - cache_counter.inc_misses(self.name) + self.metrics.inc_misses() return True - cache_counter.inc_hits(self.name) + self.metrics.inc_hits() return False def get_entities_changed(self, entities, stream_pos): @@ -82,10 +82,10 @@ class StreamChangeCache(object): self._cache[k] for k in keys[i:] ).intersection(entities) - cache_counter.inc_hits(self.name) + self.metrics.inc_hits() else: result = entities - cache_counter.inc_misses(self.name) + self.metrics.inc_misses() return result |