LRUStoreCache: reset current size on invalidation (#1081)

* LRUStoreCache: reset current size on invalidation

fixes #1076

* Add release log

* Update docs/release.rst

Author: joshmoore

docs/release.rst

@@ -28,7 +28,6 @@ Maintenance
 * Update GitHub issue templates with `YAML` format.
   By :user:`Saransh Chopra <Saransh-cpp>` :issue:`1079`.
 
-
 Bug fixes
 ~~~~~~~~~
 
@@ -37,6 +36,9 @@ Bug fixes
   that had previously been excluded from testing, and type annotations were added to the N5 codebase.
   By :user:`Davis Bennett <d-v-b>`; :issue:`1092`.
 
+* Fix bug in LRUEStoreCache in which the current size wasn't reset on invalidation.
+  By :user:`BGCMHou <BGCMHou>` and :user:`Josh Moore <joshmoore>` :issue:`1076`, :issue:`1077`.
+
 .. _release_2.12.0:
 
 2.12.0

zarr/storage.py

@@ -2398,6 +2398,7 @@ def invalidate(self):
         with self._mutex:
             self._values_cache.clear()
             self._invalidate_keys()
+            self._current_size = 0
 
     def invalidate_values(self):
         """Clear the values cache."""