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de-ref unused cache items

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This commit is contained in:
Ishaan Jaff 2024-07-12 16:38:36 -07:00
parent fd743aaefd
commit 0099bf7859
1 changed files with 9 additions and 2 deletions
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11
litellm/caching.py
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@ -97,8 +97,15 @@ class InMemoryCache(BaseCache):
""" """
for key in list(self.ttl_dict.keys()): for key in list(self.ttl_dict.keys()):
if time.time() > self.ttl_dict[key]: if time.time() > self.ttl_dict[key]:
self.cache_dict.pop(key, None) removed_item = self.cache_dict.pop(key, None)
self.ttl_dict.pop(key, None) removed_ttl_item = self.ttl_dict.pop(key, None)
# de-reference the removed item
# https://www.geeksforgeeks.org/diagnosing-and-fixing-memory-leaks-in-python/
# One of the most common causes of memory leaks in Python is the retention of objects that are no longer being used.
# This can occur when an object is referenced by another object, but the reference is never removed.
removed_item = None
removed_ttl_item = None
def set_cache(self, key, value, **kwargs): def set_cache(self, key, value, **kwargs):
print_verbose( print_verbose(