Hi!
I've successfully migrated from master-slave to hdd with python 27 and
threadsafe however I've been getting sporadically a few deadline
exceeded errors (bellow stack trace excerpt).
I also have configured min idle requests to automatic and maximum to 1
and pending latency to 800ms, I've observed on occasion latencies of
up to 63000(!!!)ms and without app engine spinning extra instances to
serve requests.
Any thoughts? I can provide app-id off-list if someone from google
wants to have a look.
Thanks!
File "/base/python27_runtime/python27_lib/versions/1/google/appengine/
ext/db/__init__.py", line 3588, in __get__
instance = get(reference_id)
File "/base/python27_runtime/python27_lib/versions/1/google/
appengine/ext/db/__init__.py", line 1515, in get
return get_async(keys, **kwargs).get_result()
File "/base/python27_runtime/python27_lib/versions/1/google/
appengine/api/apiproxy_stub_map.py", line 592, in get_result
return self.__get_result_hook(self)
File "/base/python27_runtime/python27_lib/versions/1/google/
appengine/datastore/datastore_rpc.py", line 1437, in __get_hook
entities = rpc.user_data(entities)
File "/base/python27_runtime/python27_lib/versions/1/google/
appengine/api/datastore.py", line 623, in local_extra_hook
return extra_hook(result)
File "/base/python27_runtime/python27_lib/versions/1/google/
appengine/ext/db/__init__.py", line 1485, in extra_hook
model = cls1.from_entity(entity)
File "/base/python27_runtime/python27_lib/versions/1/google/
appengine/ext/db/__init__.py", line 1419, in from_entity
return cls(None, _from_entity=entity, **entity_values)
File "/base/python27_runtime/python27_lib/versions/1/google/
appengine/ext/db/__init__.py", line 1800, in __init__
super(Expando, self).__init__(parent, key_name, _app, **kwds)
File "/base/python27_runtime/python27_lib/versions/1/google/
appengine/ext/db/__init__.py", line 945, in __init__
prop.__set__(self, value)
File "/base/python27_runtime/python27_lib/versions/1/google/
appengine/ext/db/__init__.py", line 600, in __set__
setattr(model_instance, self._attr_name(), value)
File "/base/python27_runtime/python27_lib/versions/1/google/
appengine/ext/db/__init__.py", line 1826, in __setattr__
check_reserved_word(key)
File "/base/python27_runtime/python27_lib/versions/1/google/
appengine/ext/db/__init__.py", line 300, in check_reserved_word
if datastore_types.RESERVED_PROPERTY_NAME.match(attr_name):
DeadlineExceededError
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