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| author | Erik Johnston <erik@matrix.org> | 2016-03-22 18:22:52 +0000 |
|---|---|---|
| committer | Erik Johnston <erik@matrix.org> | 2016-03-23 14:53:53 +0000 |
| commit | 75daede92f041500347a5f446229be5ca50c2b8e (patch) | |
| tree | fe29a801a1f5fdbe12424846f1c2052135c49fad /synapse/util/caches | |
| parent | Merge pull request #664 from matrix-org/erikj/public_room_list (diff) | |
| download | synapse-75daede92f041500347a5f446229be5ca50c2b8e.tar.xz | |
String intern
Diffstat (limited to 'synapse/util/caches')
| -rw-r--r-- | synapse/util/caches/__init__.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/synapse/util/caches/__init__.py b/synapse/util/caches/__init__.py index 1a14904194..9d450fade5 100644 --- a/synapse/util/caches/__init__.py +++ b/synapse/util/caches/__init__.py @@ -14,6 +14,7 @@ # limitations under the License. import synapse.metrics +from lrucache import LruCache DEBUG_CACHES = False @@ -25,3 +26,10 @@ cache_counter = metrics.register_cache( lambda: {(name,): len(caches_by_name[name]) for name in caches_by_name.keys()}, labels=["name"], ) + +_string_cache = LruCache(5000) +caches_by_name["string_cache"] = _string_cache + + +def intern_string(string): + return _string_cache.setdefault(string, string) |