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item-cache-mtime-size: feature

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This commit is contained in:
Peter Bieringer 2024-12-15 11:40:58 +01:00
parent ff3f2fc3de
commit 62bdfeab40
3 changed files with 77 additions and 30 deletions
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18
radicale/storage/multifilesystem/get.py
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@ -80,11 +80,18 @@ class CollectionPartGet(CollectionPartCache, CollectionPartLock,
raise
# The hash of the component in the file system. This is used to check,
# if the entry in the cache is still valid.
cache_hash = self._item_cache_hash(raw_text)
if self._storage._debug_cache_actions is True:
logger.debug("Check cache for: %r with hash %r", path, cache_hash)
if self._storage._use_mtime_and_size_for_item_cache is True:
cache_hash = self._item_cache_mtime_and_size(os.stat(path).st_size, os.stat(path).st_mtime_ns)
if self._storage._debug_cache_actions is True:
logger.debug("Item cache check for: %r with mtime and size %r", path, cache_hash)
else:
cache_hash = self._item_cache_hash(raw_text)
if self._storage._debug_cache_actions is True:
logger.debug("Item cache check for: %r with hash %r", path, cache_hash)
cache_content = self._load_item_cache(href, cache_hash)
if cache_content is None:
if self._storage._debug_cache_actions is True:
logger.debug("Item cache miss for: %r", path)
with self._acquire_cache_lock("item"):
# Lock the item cache to prevent multiple processes from
# generating the same data in parallel.
@ -101,6 +108,8 @@ class CollectionPartGet(CollectionPartCache, CollectionPartLock,
vobject_item, = vobject_items
temp_item = radicale_item.Item(
collection=self, vobject_item=vobject_item)
if self._storage._debug_cache_actions is True:
logger.debug("Item cache store for: %r", path)
cache_content = self._store_item_cache(
href, temp_item, cache_hash)
except Exception as e:
@ -115,6 +124,9 @@ class CollectionPartGet(CollectionPartCache, CollectionPartLock,
if not self._item_cache_cleaned:
self._item_cache_cleaned = True
self._clean_item_cache()
else:
if self._storage._debug_cache_actions is True:
logger.debug("Item cache hit for: %r", path)
last_modified = time.strftime(
"%a, %d %b %Y %H:%M:%S GMT",
time.gmtime(os.path.getmtime(path)))