Man, i've been there. Check out sharding - you can only update a
single entity a couple of times a second or else you'll get a
ConcurrentModificationException - you have to shard your entities.
Ben
nimbits.com
On Jan 3, 11:20 pm, Harshad wrote:
> Hi,
>
> I am reading the official GAE documentati
you tried the option(s) ("--email" and) "--passin"?
>
> Ian
>
> On Mar 22, 7:08 pm, Benjamin Muschko
> wrote:
>
>
>
>
>
>
>
> > Hi,
>
> > Is there way to use a pre-defined password (e.g. set as a parameter or
> >
Hi,
Is there way to use a pre-defined password (e.g. set as a parameter or
from some file) for the update task (http://code.google.com/appengine/
docs/java/tools/uploadinganapp.html)? Unfortunately, I couldn't find
an appropriate parameter. I'd like to upload my app to App Engine as
part of an aut
AE sdk library on
> Eclipse when you create a new project + those needed to run locally.
>
> The simplest way for you is to follow he hints given
> inhttp://code.google.com/appengine/docs/java/tools/ant.html
>
> regards
>
> didier
>
> On Mar 18, 8:55 pm, Benjamin Musch
Hi,
I have a question about the runtime classpath that is being used when
starting up a local development server. It is required to set
appengine-tools-api.jar in the classpath a parameter. My application
directory "web_app_dir" does not include some of the libraries that
are required at runtime (
)
{
pm.deletePersistentAll(v);
DataServiceImpl.startDeleteDataTask(pointId,true,expDays);
}
On Feb 13, 5:23 am, Benjamin wrote:
> Thanks Peter - i think i'm forced to use a query like the one
te:
> Try using the low level API and do keys only query with limit of 1000
> (and delete them) repeatedly instead of retrieving whole objects.
>
> I am guessing the out of memory is due to large amount of objects
> returned by the query. Keys only query also use much less api cpu.
>
I'm getting errors when a task kicks off to delete a lot of data based
on a timestamp. I enabled billing and already chewed through $0.50 in
CPU time, but i'm still getting the error message. Is there anything
else I should do? I was trying to avoid splitting the task up with a
result limit or some
I just came across this document:
http://www.scribd.com/doc/24330945/No-Relation-The-Mixed-Blessings-of-Non-Relational-Databases
It helps, but doesn't completely answer my question. It would appear that
what I'm wanting to do is an EAV (entities/attributes/values) type
relationship, however, I'
Bump, I would be interested in learning more about this as well. Thanks!
-Ben
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Thanks much for the link! It doesn't directly answer my issue, but it did
give me a few more ideas about how to go about this... I've watched it three
times (so far)! :)
Despite seeing the merge-join in action, I don't think it quite matches my
model, so I'm trying to visualize how to make my d
The bug reference would be nice. If only to vote it up.
On Wed, Dec 15, 2010 at 2:10 AM, andrew wrote:
> I submitted a bug on the subject, and it was accepted.
>
> If you want the bug reference I can find it.
>
> Andrew
>
> --
> You received this message because you are subscribed to the Google
i'd just stick a check on the current time in the cron's code, so it
always runs every 5 minutes but only actually does the thing it's
supposed to do when it's the right time of day.
On Dec 13, 5:31 am, EtuO wrote:
> How to config a cron job to run every 5 minutes between 9:00am~20:00pm。
--
Y
Never mind. Got it resolved. Must have been an issue with my
environment.
Ben
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Hi,
I was trying out the new 1.4 SDK datastore metadata queries. Querying
for kinds works perfectly fine with this query and I get back results:
Query query = new Query(Query.KIND_METADATA_KIND);
PreparedQuery preparedQuery =
DatastoreServiceFactory.getDatastoreService().prepare(query);
List kind
Hi there,
I am currently using GAE as our game's server, we are not using
javascript as the frontend, but channel api is quite a useful stuff
for us.
Is there any way we can use the channel api without javascript?
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Hi Stephen,
I do this all of the time - using the gmail credentials to get a token
cookie, adding it to my header so the request is authenticated. I go
over how this is done in good detail on my blog
http://javagwt.blogspot.com/2010/08/authenticating-android-to-app-engine.html
unfortunately, thi
I'm getting this crazy behavior I was able to reproduce several times
today. Check this out.
I'm using the Google MAP API that requires an API key you generate on
http://code.google.com/apis/maps/signup.html
If I add the required javascript to my app and deploy it using the
eclipse plug in everyt
iness logic responsible for processing
less sensitive data is running on the public cloud provided by Google.
Thanks!
Benjamin Gittins
On 19/11/2010, at 7:58 PM, Ikai Lan (Google) wrote:
I'm not sure I understand the question. Are you looking to run the
GAE SDK inside your own hardwa
na-sp/
)
Thanks,
Benjamin Gittins
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Hi Jacek,
there is an example in mapper project source code:
http://code.google.com/p/appengine-mapreduce/source/browse/trunk/java/example/com/google/appengine/demos/mapreduce/TestServlet.java
Hope it helps.
On Oct 23, 12:03 am, "jacek.ambroziak"
wrote:
> How to start a MapReduce job as a cron s
are you changing the version number? You'd need to go to the console
and change the version that's being served.
Maybe you're caching behind a proxy or viewing a cached version on
your end? try loading the url in a browser and hit F5
On Oct 15, 4:21 pm, nnhobbit wrote:
> I deployed an app, in
647/to see what headers
> your browser send as part of the HTTP GET request and emulate them in C
> code.
>
> Should work :).
>
> On Sat, Oct 9, 2010 at 11:45 PM, Peter Ondruska
> wrote:
>
>
>
> > When connecting to IP address you need to use HTTP host header so
I did just get an arduino to post to app engine by using a reverse
proxy on an apache server on my LAN - but i'd rather hit app engine
directly...
On Oct 9, 12:26 pm, Benjamin wrote:
> I've been working on a challenge over the past couple of days and I
> could really use a knowl
I've been working on a challenge over the past couple of days and I
could really use a knowledge transfer on App Engine, Domains and IP
addresses. I seem to be missing something.
I'm trying to write a library for Arduino Micro-controllers to do HTTP
Posts to a servlet hosted on appengine. For exam
ate
> them. The Mapper API is a very good tool for this:
>
> http://code.google.com/p/appengine-mapreduce/
>
>
>
> On Mon, Sep 13, 2010 at 12:20 PM, Benjamin wrote:
> > Brain freeze guys -
>
> > I added a property to my object and persisted in the datastore. T
Brain freeze guys -
I added a property to my object and persisted in the datastore. The
older object have now have a column that when viewed in the control
panel have a value of . I need to query those objects so i
can update them - propname == null , propname == "" - I can't seem
to find the
I had this problem and found it was from installing the eclipse plug
in using the "install new software" item on the help menu instead of
using the install from the new "eclipse marketplace" item under help
or the other way around, i don't remember - but i was installing 64
bit / 32 bit and all so
I spent some time this morning and consolidated how I write app engine
apps in java, do oauth with facebook a host my apps in a facebook
iframe - interacting with the users profile, wall, newsfeed etc with
the facebook graph. Hope this helps - enjoy!
http://javagwt.blogspot.com/2010/08/facebook-ap
> > i you can support an example explain it
> > it will be very helpful
>
> > On Aug 20, 6:23 am, Benjamin wrote:
>
> > > I integrate my app engine apps with facebook without any third part
> > > api - just http, oauth and the facebook graph - let me know if y
I integrate my app engine apps with facebook without any third part
api - just http, oauth and the facebook graph - let me know if you'd
like to know more.
http://developers.facebook.com/docs/api
On Aug 18, 3:40 pm, Peter Simun wrote:
> This can helps youhttp://java.dzone.com/articles/efective-j
Sorry to hear of your trouble Nischal
I'm hitting twitter without any issue from my prod app engine - if it
helps, i've had a lot of success using twitter4j libraries - maybe you
can check them out.
The only strange thing about getting an auth token from twitter oauth
from app engine is how you h
Just to Add to Arian's post. I has all sorts of trouble installing the
new plugin for eclipse Helios. I did it through the update site and
the marketplace says it's installed, but i don't have any of the
google options i'm used to.
If this helps - i tried this with Eclipse Helios EE x64 and x86, a
It's funny, i can't think of a better way to stop the abuse but i can
think of a 100 ways to abuse it. I hate getting stuck in one of those
spy vs spy - measure vs counter measure situations so i'm sympathetic
to the challenge.
Maybe you could randomly redirect a user to one of those "prove your
h
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