I've been experiencing the same issues lately. I'm on py 2.5 and MS datastore. Didn't see this thread, so started my own:
http://groups.google.com/group/google-appengine/browse_thread/thread/31d1c228070ac09b# Also filed an issue: http://code.google.com/p/googleappengine/issues/detail?id=6447 I also don't think it's a matter of having more instances. My app seems to have tons of idle instances sitting around (despite my max idle instance setting being 1), and still I'm seeing tons of pending latency. On Dec 5, 5:37 pm, Andrius A <andriu...@gmail.com> wrote: > I can confirm that as well, don't think its related with python 2.7 or HRD. > I am seeing high latencies similar to yours with python 2.5 and MS just > right now, even GAE console takes ages to load and some times throws > errors. I noticed that similar slowness happens few times per week, I > wonder will it ever become stable? > > On 5 December 2011 22:32, sergio.jar...@gmail.com > <sergio.jar...@gmail.com>wrote: > > > > > > > > > > > The issue is that I've seen sky-high latencies *without* the app > > engine even trying to spin other instances! > > Just right now I captured this screenshot from the management console: > >http://i42.tinypic.com/bhzyf7.png > > The above screenshot is not normal! BTW, around the same time I took > > the screenshot I got a 500-Internel server error accessing the app > > engine dashboard at appspot.com. > > Most of the time I've got ~ 0.2 QPS and 100-200ms latencies that's why > > I have just one idle instance. > > > On Dec 5, 9:43 pm, "Brandon Wirtz" <drak...@digerat.com> wrote: > > > Allow more than one idle instance. How long is your spin-up? If you > > get 8 > > > simultaneous requests and each request takes 1 second, and your spin up > > time > > > is 5 seconds, then you will have time outs with the settings you > > describe. > > > > Consider running full auto for 24 hours and then clamping down. Also > > > consider reading the tuning guides published on other threads. > > > > -----Original Message----- > > > From: google-appengine@googlegroups.com > > > > [mailto:google-appengine@googlegroups.com] On Behalf Of > > > sergio.jar...@gmail.com > > > Sent: Monday, December 05, 2011 11:15 AM > > > To: Google App Engine > > > Subject: [google-appengine] DeadlineExceededError on HRD and sky-high > > > latency (python27+threadsafe) > > > > 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 > > > > -- > > > You received this message because you are subscribed to the Google Groups > > > "Google App Engine" group. > > > To post to this group, send email to google-appengine@googlegroups.com. > > > To unsubscribe from this group, send email to > > > google-appengine+unsubscr...@googlegroups.com. > > > For more options, visit this group athttp:// > > groups.google.com/group/google-appengine?hl=en. > > > -- > > You received this message because you are subscribed to the Google Groups > > "Google App Engine" group. > > To post to this group, send email to google-appengine@googlegroups.com. > > To unsubscribe from this group, send email to > > google-appengine+unsubscr...@googlegroups.com. > > For more options, visit this group at > >http://groups.google.com/group/google-appengine?hl=en. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. 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