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[FIX] invalidate t-cache in all cases

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The issue with the t-cache (discribeds with a test in previous commit)
is that the key/value can be anything. It can be based on other t-cache
(assets in the example) but could be anything else.

The proposed solution will clear the t-cache when ANY other cache is
cleared. This is similar to the behaviour when the t-cache was
introduced (single ormcache)

Also sligly improve logging to precise what was cleared

closes odoo/odoo#138647

X-original-commit: aa69fa9f8efed0da45c601e5d57ce252446e376f
Signed-off-by: Xavier Dollé (xdo) <xdo@odoo.com>
This commit is contained in:
Xavier-Do
2023-10-14 02:26:52 +00:00
parent 10d2df35d0
commit 3ee7cb6680
2 changed files with 102 additions and 18 deletions
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odoo/modules/registry.py
+27 -18
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@@ -40,11 +40,19 @@ _REGISTRY_CACHES = {
'default': 8192,
'assets': 512, # arbitrary
'templates': 1024, # arbitrary
'templates.cached_values': 2048, # arbitrary
'routing': 1024, # 2 entries per website
'routing.rewrites': 8192, # url_rewrite entries
'templates.cached_values': 2048, # arbitrary
}
# cache invalidation dependencies, as follows:
# { 'cache_key': ('cache_container_1', 'cache_container_3', ...) }
_CACHES_BY_KEY = {
'default': ('default', 'templates.cached_values'),
'assets': ('assets', 'templates.cached_values'),
'templates': ('templates', 'templates.cached_values'),
'routing': ('routing', 'routing.rewrites', 'templates.cached_values'),
}
class Registry(Mapping):
""" Model registry for a particular database.
@@ -134,9 +142,6 @@ class Registry(Mapping):
self._ordinary_tables = None
self._constraint_queue = deque()
self.__caches = {cache_name: LRU(cache_size) for cache_name, cache_size in _REGISTRY_CACHES.items()}
self.__caches_by_prefix = {}
for cache_name, cache in self.__caches.items():
self.__caches_by_prefix.setdefault(cache_name.split('.')[0], []).append(cache)
# modules fully loaded (maintained during init phase by `loading` module)
self._init_modules = set()
@@ -721,8 +726,8 @@ class Registry(Mapping):
cache_names = cache_names or ('default',)
assert not any('.' in cache_name for cache_name in cache_names)
for cache_name in cache_names:
for cache in self.__caches_by_prefix[cache_name]:
cache.clear()
for cache in _CACHES_BY_KEY[cache_name]:
self.__caches[cache].clear()
self.cache_invalidated.add(cache_name)
# log information about invalidation_cause
@@ -736,9 +741,9 @@ class Registry(Mapping):
""" Clear the caches associated to methods decorated with
``tools.ormcache``.
"""
for cache_name, caches in self.__caches_by_prefix.items():
for cache_name, caches in _CACHES_BY_KEY.items():
for cache in caches:
cache.clear()
self.__caches[cache].clear()
self.cache_invalidated.add(cache_name)
caller_info = format_frame(inspect.currentframe().f_back)
@@ -791,7 +796,7 @@ class Registry(Mapping):
# must be reloaded.
# The `base_cache_signaling_...` sequences indicates when caches must
# be invalidated (i.e. cleared).
sequence_names = ('base_registry_signaling', *(f'base_cache_signaling_{cache_name}' for cache_name in self.__caches_by_prefix))
sequence_names = ('base_registry_signaling', *(f'base_cache_signaling_{cache_name}' for cache_name in _CACHES_BY_KEY))
cr.execute("SELECT sequence_name FROM information_schema.sequences WHERE sequence_name IN %s", [sequence_names])
existing_sequences = tuple(s[0] for s in cr.fetchall()) # could be a set but not efficient with such a little list
@@ -811,14 +816,14 @@ class Registry(Mapping):
self.registry_sequence, ' '.join('[Cache %s: %s]' % cs for cs in self.cache_sequences.items()))
def get_sequences(self, cr):
cache_sequences_query = ', '.join([f'base_cache_signaling_{cache_name}' for cache_name in self.__caches_by_prefix])
cache_sequences_values_query = ',\n'.join([f'base_cache_signaling_{cache_name}.last_value' for cache_name in self.__caches_by_prefix])
cache_sequences_query = ', '.join([f'base_cache_signaling_{cache_name}' for cache_name in _CACHES_BY_KEY])
cache_sequences_values_query = ',\n'.join([f'base_cache_signaling_{cache_name}.last_value' for cache_name in _CACHES_BY_KEY])
cr.execute(f"""
SELECT base_registry_signaling.last_value, {cache_sequences_values_query}
FROM base_registry_signaling, {cache_sequences_query}
""")
registry_sequence, *cache_sequences_values = cr.fetchone()
cache_sequences = dict(zip(self.__caches_by_prefix, cache_sequences_values))
cache_sequences = dict(zip(_CACHES_BY_KEY, cache_sequences_values))
return registry_sequence, cache_sequences
def check_signaling(self):
@@ -840,15 +845,19 @@ class Registry(Mapping):
changes += "[Registry - %s -> %s]" % (self.registry_sequence, db_registry_sequence)
# Check if the model caches must be invalidated.
else:
invalidated = []
for cache_name, cache_sequence in self.cache_sequences.items():
expected_sequence = db_cache_sequences[cache_name]
if cache_sequence != expected_sequence:
_logger.info("Invalidating %s model caches after database signaling.", cache_name)
for cache in self.__caches_by_prefix[cache_name]: # don't call clear_cache to avoid signal loop
cache.clear()
for cache in _CACHES_BY_KEY[cache_name]: # don't call clear_cache to avoid signal loop
if cache not in invalidated:
invalidated.append(cache)
self.__caches[cache].clear()
self.cache_sequences[cache_name] = expected_sequence
if _logger.isEnabledFor(logging.DEBUG):
changes += "[Cache %s - %s -> %s]" % (cache_name, cache_sequence, expected_sequence)
if invalidated:
_logger.info("Invalidating caches after database signaling: %s", sorted(invalidated))
if changes:
_logger.debug("Multiprocess signaling check: %s", changes)
return self
@@ -873,7 +882,7 @@ class Registry(Mapping):
# no need to notify cache invalidation in case of registry invalidation,
# because reloading the registry implies starting with an empty cache
elif self.cache_invalidated:
_logger.info("At least one model cache has been invalidated, signaling through the database.")
_logger.info("Caches invalidated, signaling through the database: %s", sorted(self.cache_invalidated))
with closing(self.cursor()) as cr:
for cache_name in self.cache_invalidated:
cr.execute("select nextval(%s)", [f'base_cache_signaling_{cache_name}'])
@@ -890,8 +899,8 @@ class Registry(Mapping):
self.registry_invalidated = False
if self.cache_invalidated:
for cache_name in self.cache_invalidated:
for cache in self.__caches_by_prefix[cache_name]:
cache.clear()
for cache in _CACHES_BY_KEY[cache_name]:
self.__caches[cache].clear()
self.cache_invalidated.clear()
@contextmanager