In JDO you probably need to use the method contains() if testing
members of collections.
http://www.datanucleus.org/products/accessplatform_1_1/jdo/jdoql_methods.html
Vaclav
On Sep 28, 4:20 pm, Ice13ill andrei.fifi...@gmail.com wrote:
I executed a GQL query to test for some results in Datastore
Hello,
if you just store keys that should be fine...
Just be sure your methods don't actually try to fetch the objects when
they're called...
Maybe some detail about the code you're executing (parts of model and
update method) can help...
These are errors difficult to diagnose. I step into them
Well, Google could open source at least their implementations of local
dev servers...
Thanks guys for sharing this, I new with GAE and surely would face the
this issue, since I also started using Blobstore.
Regards,
Mike
On Mon, Sep 27, 2010 at 12:46 PM, Guillaume Laforge glafo...@gmail.com
Yup, that would be handy to be able to look at the sources of the local dev
server.
I mean, even if it's not open source in the sense we can fork it or
anything, but just being able to view the sources may help sometimes
understand the differences between dev and prod.
On Wed, Sep 29, 2010 at
I've read that Lift plays in GAE out of the box. I've also seen the
example at http://lift-example.appspot.com/.
I saw in the sources (http://github.com/lift/lift/blob/master/examples/
example/src/main/scala/bootstrap/liftweb/Boot.scala) that Lift uses
embedded Apache Derby database.
I wonder (I
I can understand the frustration. For GAE we have our transactions at
the dao level unless we know that it can be at the service level.
Since we are banking on the data becoming eventually consistent, we do
not have transaction related problems right now.
And, since they are at the dao level we do
I have the same results using low-level api for app engine queries :|
So... this makes it very interesting, the way queries are executed on
the datestore (using admin console UI or the App engine API)... It
makes one wonder :)
On Sep 29, 9:56 am, Vaclav Bartacek vaclav.barta...@spolecne.cz
wrote:
You're not going to be able to use Java synchronisation, since you
have no guarantee that multiple user requests are even coming into the
same JVM.
What's the exact error/exception you're getting? If you're carrying
out a lot of updates on the same objects with multiple users, you may
need to
I did discover that part of my problem was caused by my generic DAO
class. I ditched the Crank stuff, and I'm writing my own. It seems to
behave much better, and I did move my transaction annotations to the
DAO. That's just going to be something I (we) have to get used to.
Thanks for all
Try this:
http://groups.google.com/group/google-appengine-java/browse_thread/thread/b8f7c96c258d1e1f#
On Sep 28, 6:38 pm, nischalshetty nischalshett...@gmail.com wrote:
Can you provide a link to the question you might have posted on this
group? If I know of anything I'll try to pitch in ;)
My application id is jwigapp. The application is the example,
Guestbook, from the AppEngine website, for Java. No state secrets
there.
So, here is my appengine-web.xml
appengine-web-app xmlns=http://appengine.google.com/ns/1.0;
applicationjwigapp/application
version2/version
Someone hopefully will correct me if I'm wrong about these...
I believe that the application name in appengine.xml must match the
name of the application as it is defined on Google. So, if you're
trying to upload to an application named guestbook, then you need to
change it to be guestbook
You're probably using the same Wicket setup as I am - Sessions are
stored in the datastore.
The Jetty local development set-up clearly doesn't emulate the real
thing exactly by the looks of it. But by using LoadableDetachableModel
the list is populated once per request and detached when the
Dave is correct the application tag must match the app id.
The version is best incremented from deployment to deployment as well.
This is easily maintained using the eclipse project properties google
appengine tab.
Your web xml url pattern is the problem.
Try using a absolute uri rather than a
Hi Lucian
Can you give some more details on how you worked around this issue. Did
you use a RequestDispatcher.forward to redirect your dropbox request
server side to the blob upload url. Presumably you had to rewrite the
request data? Was your original request in mulitpart/form-data or did
you
On Fri, Sep 24, 2010 at 5:53 PM, Ice13ill andrei.fifi...@gmail.com wrote:
Well, that is what i'm using :)
FTS with self merged join (if that is what you're refering to)
The problem here is with the build-in indexes (it should be able to
serve those queries that matches a text on a singe list
Yo! Google folkshelp us out here!
As I understand it, appengine-web.xml has the application id, which in
my case is jwigapp. That is how it knows which application of yours to
apply the upload to. (I think we can have 9 or 10 apps). And that is
the name of the application to the world.
So, I
I am getting an error on app engine:
java.lang.SecurityException: java.lang.IllegalAccessException:
Reflection is not allowed on private static final int
java.util.BitSet.ADDRESS_BITS_PER_WORD
From what I understand this relates to app engine's support of
reflection? I was wondering if their is
Yes, it is simple - You are missing the leading slash in your url-pattern.
Perhaps you can learn how to configure tomcat web.xml files with this very
nice blog post.
http://tomcat-configure.blogspot.com/2009/01/tomcat-web-xml.html
You can also learn how what matches the regular expression by
Indeed, it was simple. Thank you so very much.
I was missing the leading slash. Dang!
I'm a happy guy now! I'll be able to do a bit of show and tell at my meeting
tomorrow.
On Wed, Sep 29, 2010 at 11:12 AM, andy stevko andy.ste...@gmail.com wrote:
Yes, it is simple - You are missing the
Apparently, the Database on devserver is a file under the war folder.
Can we make this parametrized so I can keep the data persistent on a
particular location?
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Hi Martin,
Yes, I used RequestDispatcher.forward to redirect to the blobstore URL. Yes,
I had to rewrite the request using HttpServletRequestWrapper to set the
Content-Type header to multipart-form-data and set the body
data. Unfortunately, this only worked on the development server, when
In web.xml try /jwigapp instead of jwigapp.
On Wed, Sep 29, 2010 at 16:56, turncom wayneturnerhous...@gmail.com wrote:
My application id is jwigapp. The application is the example,
Guestbook, from the AppEngine website, for Java. No state secrets
there.
So, here is my appengine-web.xml
Yup! That was it. Thanks for your help!!
On Wed, Sep 29, 2010 at 10:09 AM, Stefano Ciccarelli
stef...@indacosoftware.it wrote:
In web.xml try /jwigapp instead of jwigapp.
On Wed, Sep 29, 2010 at 16:56, turncom wayneturnerhous...@gmail.comwrote:
My application id is jwigapp. The
Hello,
I need to dynamically generate CSS files and would like to do it with
JSP. I know that there are various existing solutions to do this with
servlets mapped to the .css extension and forwarding to JSPs to
generate the content and that would technically work. However, I would
like to
Mail shouldn't be affected by the datastore, though other users are
reporting general deadline issues with email delivery.
I'm looking into the issues with email, but there's no guarantee that email
is instantaneous - it just so happens that email performance has improved so
much that we have
Thanks guillaume ,I tried similiar to what you responded .Still its
working in the DEV Appengine .But when i upload to the cloud its not
working .
I am not even getting the error also .
On Sep 28, 3:26 pm, Guillaume Laforge glafo...@gmail.com wrote:
I've been successfully using SiteMesh 2.4.1 on
Thanks Mike for responding ,Mine is pointed to the WEB-INF
folder .There is no error .With out using the pattern how you
implemented .Mine Still its working in dev but not in the cloud .
Anand
On Sep 29, 12:42 am, Mike! michael.d.en...@gmail.com wrote:
I've got it working in mine too, but I
Hello.
I have a strange issue where I occasionally fail to update the Account
object in this method.
If I call the isEnabled() method (which returns true or false) before
I call makePersistent, the update always happens.
But if I don't 'access' the account object before makePersistent(),
the
Hey,
I had a bit of trouble myself in gettiing GAE, JRebel and Eclipse to
work together initially. I've posted a blog entry to explain how I did
it...
http://androidisland.blogspot.com/2010/09/appengine-jrebel-and-eclipse-getting.html
Regards,
Eurig Jones
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Hi andy! I have tried delete my local_db and the problem persist.
The exception is in the next code, in the call of the build method
RegFechaUsuario:
ControladorFecha cF = new ControladorFecha();
System.out.println(nombre +
nuevaFecha.getNombre());
Thanks Ikai for taking a look at the issue.
Re: reasonable to expect an email delay 5 minutes, with the 90th
percentile of emails being delivered in under 2 minutes or less.
= I totally agree. The communication service offered by
AnotherSocialEconomy offers the same expectation to its user base.
Hello,
Read
http://code.google.com/appengine/docs/java/datastore/dataclasses.html#Object_Fields_and_Entity_Properties
one possibility that 1 see: a change of type / format that you made to
some prop of your object and you access old entities in the datastore
with the new code. This may generate
Strange.
I remember reading that JDO does lazy loading. That means unless you access
the same, the object data is not physically loaded. But isn't set enabled
means accessing the object?
~hari
On Sep 30, 2010 2:17 AM, Chris xop...@gmail.com wrote:
Hello.
I have a strange issue where I
We didn't reach the Rate Limit because our app is billing enabled
and we send about 600 messages per minute.
On 28 Sep., 22:32, Ben bhym...@gmail.com wrote:
I'm not sure if this is your issue, but i recently had a similar
problem that was caused by a quota Rate Limit issue. I had not
exceeded
Hi
I am trying to fetch all records from my database table which have DateTime
field value less than a given date. To generate the given date I am using
new java.util.Date(). The query generates the following error. I have no
clue how should I resolve the following error.
Yes you did, thanks!
Today it works with both with and without the =s1600 for some magic reason.
Would be nice of Google to tell us what's going on.
..fredrik
On Sep 28, 2010, at 8:07 PM, Robert Kluin wrote:
I think I just answered this on stack overflow too.
Issue 3789 is related to
declare date as a parameter and pass date value to execute() as a Date
object, similar to this example -
https://code.google.com/appengine/docs/java/datastore/queriesandindexes.html#Introducing_Queries
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www.claymus.com
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On some apps I have severe trouble with datastore quota.
See:
http://code.google.com/p/googleappengine/issues/detail?id=3776
Can someone please elaborate on this?
How can 20MB of entity data (sum of all entities) eat up 9 Gig of
datastore quota?
No exploding indexes.
Daniel
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Hi
I'm looking for a clean solution to setup a staging environment for my
Gae application.
Reading the new spec of Namespaces API you suggest that a possible use
of this new feature is:
# Creating Separate Datastore Instances for Testing and Production
It looks awesome to me so here are my
Is that version number indexed?
And if, how is performance on puts (and searches on that index)?
On Sep 28, 5:16 am, Robert Kluin robert.kl...@gmail.com wrote:
I have several apps with complex models and relationships. Personally
I have found using a version property on my models has made
hi all,
I was unable to add the www to the google apps AppEngine service
while other like temp.example.com or whatever.example.com is
working properly.
Am I missing out something?
Thanks in advance.
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Hi hotwater!
I did the following...
I added the www mapping to Google Sites service, and then deleted it
right after.
After that, I could then add the www mapping to the Google AppEngine
Service.
By the way, make sure you don't forget to set proper CNAME records in
your domain name.
Albert
We are still facing as many DeadlineExceededError as the past days,
but now it is happening while sending emails:
DeadlineExceededError: The API call mail.Send() took too long to
respond and was cancelled
So the app loads, it works and it gets this exception just trying to
send a single email to
thanks for the trick.. its work
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Thanks for your prompt reply. I implemented the way it is depicted in the
article suggested by you but now
I am facing another issue.
Class Date for query has not been resolved. Check the query and any imports
specification
org.datanucleus.exceptions.ClassNotResolvedException: Class Date for
Yes, we have the same problem on http://www.appbrain.com (the icons,
not all of them though)
Google please investigate.
Also please add the image serving status to the AppEngine System
Status page.
Uwe
On Sep 28, 11:49 am, Karl R kros...@gmail.com wrote:
I started using the blobstore /
Dear Aunt App Engine,
I was at a customer site, fortunately a very friendly customer who
I've been able save much money by using our wonderful app engine app.
He was showing me a minor problem with his data so he clicked on the
change button and pow, google timeout error. Big black text on white
Hi ,
I am a newbie with Google app engine and I have my personal domain name and
would like it to use the site i have deployed at myapp.appspot.google.com
Can anyone point me to the link which explains about how to do this...
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Yes, I usually use the built-in index (like any field that does not
get indexed=False). The field is never used in any other (composite)
indexes. I leave it indeed so that I can very easily run a query such
as: TheModel().all().filter('version ', 7).fetch(50). That allows
me to have background
This article explains how to use a custom domain.
http://code.google.com/appengine/articles/domains.html
In summary:
- Register the domain with google apps (if it is not already).
- Add your app to the domain.
Robert
On Wed, Sep 29, 2010 at 11:40, vtrraviku...@gmail.com wrote:
Hi ,
We (appid: steprep) still see bursts of DeadlineExceededErrors (e.g.,
log time: 7.29a and 8.24a, Sep 29), but this is a different
characteristic than before where we had _ongoing_ 10-s and 30-s
timeouts on cron jobs.
We also have been seeing the mail.Send() timeout issues for the past
couple of
I know that big table is not a traditional relational database. It
uses GQL not SQL, right?
Does big table have no relational capability, or just limited
relational capability?
If limited, how limited?
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Hi,
I am new to tomcat, but I have the following problem when I deploy my
application that uses RPC:
29/09/2010 12:59:39 org.apache.catalina.core.ApplicationContext log
SEVERE: Exception while dispatching incoming RPC call
java.security.AccessControlException: access denied
I have an app I've been working on, but I'll need https to launch it.
How far away is https support for custom domains?
Thanks,
Christian
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I'm seeing delays of over an hour today as well (Sep 28, 2010). Are
you saying that the global task queue affects our individual queues?
That makes sense, but can we see how much the task execution is
impacted for everyone? I'd like to see an estimated delay before my
task(s) can be executed.
hola Jairo que aplicaciones realizas? skype patriciony estoy
en NY city
On Tue, Sep 28, 2010 at 8:02 PM, Jairo Vasquez jairo.vasq...@gmail.com wrote:
Hi,
I'm getting a lot of this error when using send_mail function of the mail
API:
The API call mail.Send() took too long to
Hi,
has anyone managed to set the correct content type of an upload to the
blobstore when using a flash based solution like swfupload? Swfupload
is used to indicated a progress bar during the upload?
I've set up everything correctly, but all by blobs have the content
type octet streams. As the
We launched a major productivity/sync service today. I was told by a
Chinese user that they cannot access anything hosted on appspot from
the mainland. Anyone know if this is true??
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We launched a major productivity/sync service today. I was told by a
Chinese user that they cannot access anything hosted on appspot from
the mainland. Anyone know if this is true??
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Using (on Snow Leopard):
- GAE 1.3.7
- Python 2.5.4 (r254:67916, Feb 11 2010, 00:50:55) [GCC 4.2.1 (Apple
Inc. build 5646)] on darwin
in a virtualenv I created. I tried to run the webapp hello world demo
script, here's what I got [1] running:
python gae/dev_appserver.py --debug_imports
I too was very happy to see the downtime notify email today! I'm very
glad to know that the Googlers are on the case!
One suggestion I have as to the status page, is possibly add a monitor
that reports the # of 500's received per day...As in, the status page
requests a random page from your
Hi Every one i am the new of google app engine(python) technologie.if
any one help to deploy project into google app engine..
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Back Again,
I still cannot get this to work
If I use
#fade-in
{
height: 24px;
background-image:url(C:/RRRSystems/Eclipse/Common/Image/
FadeIn.gif);
background-repeat:repeat-x;
}
All works great.
I Have created a Path Variable in my Eclipse Project:
COMMON_LOC
Yes.
On Sep 28, 2010, at 7:30 PM, tomkarren wrote:
We launched a major productivity/sync service today. I was told by a Chinese
user that they cannot access anything hosted on appspot from the mainland.
Anyone know if this is true??
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I believe the mail issues may be separate issues. I'll look into those.
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Reddit: http://www.reddit.com/r/appengine
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On Wed, Sep 29, 2010 at 5:05 PM,
There is billing problem and there is no way to contact someone on
email. Only public forums.
I do not wish to post questions concern order on public forum.
Once someone from google contacted me but have not responded.
If you charge me then there must be some email to contact billing.
Is that
Use this form:
http://code.google.com/support/bin/request.py?contact_type=AppEngineBillingSupport
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Developer Programs Engineer, Google App Engine
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On Wed,
Thanks for the report Kenneth. Are you subscribed to downtime-notify?
http://groups.google.com/group/google-appengine-downtime-notify
We've been tracking the recent issues and making announcements there.
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Blogger:
u toh expert ho yar
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The status page is based on automated measurements. We're looking to augment
it with more comprehensive monitoring.
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This works for me:
http://googleappengine.googlecode.com/files/appengine-java-sdk-1.3.7.zip
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On Tue, Sep 28,
I see at least 9 developers in Sweden:
http://www.appenginepeople.net/country/SE/
You might also want to check Twitter or LinkedIn.
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Twitter:
Hey Nischal,
Here's a sample partial configuration for nginx. Note that this proxy
has *no* security. It's enough to get you up and going and its only
security is that only you know the hostname:
upstream twitter_proxy {
server twitter.com;
On Sep 29, 9:36 am, Christian Gloddy c...@gloddy.com wrote:
I have an app I've been working on, but I'll need https to launch it.
How far away is https support for custom domains?
It's on the roadmap as Limited Release by EOY 2010 for App Engine
For Business. (The regular App Engine product
Great documentation is available on this topic.
Start here: http://code.google.com/appengine/docs/python/gettingstarted/
Learn about deployment here:
http://code.google.com/appengine/docs/python/gettingstarted/uploading.html
On Sep 29, 12:51 am, Charan Magadheera venkataramana...@gmail.com
Hello,
I know GAE restricts access to allow only certain C libraries and
Python modules. However, is there an easy way to lift those
restrictions from the local dev server?
Specifically, I would like to use the MySQLdb module to import my
datastore data.
Thanks,
Nikola
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The Datastore is not relational. It is a schemaless object datastore.
( http://code.google.com/appengine/docs/python/datastore/ ) It is
sometimes referred to as a Key/Value store. There is a decent write
up on the topic here:
When you are writing a webpage resources are specified as either a)
relative to the current file, or b) relative to the _web site_ root.
Also, use unix style path delimiters, not windows. And your resource
will probably need to be located under the site root, or the server
configured to find
I'm following the advice: Please continue to be vocal on the groups
about how your application is being impacted
On Sep 29, 7:51 pm, Ikai Lan (Google) ikai.l+gro...@google.com
wrote:
Thanks for the report Kenneth. Are you subscribed to downtime-notify?
There are a set of very useful articles:
http://code.google.com/appengine/articles/datastore/overview.html
On Wed, Sep 29, 2010 at 16:01, Ben bhym...@gmail.com wrote:
The Datastore is not relational. It is a schemaless object datastore.
(
There is an included sqlite backend. Maybe you could look into
modifying that to connect and pull from MySQL?
On Wed, Sep 29, 2010 at 15:55, Nikola niko...@gmail.com wrote:
Hello,
I know GAE restricts access to allow only certain C libraries and
Python modules. However, is there an
Good suggestion; I think I'll use sqlite instead for now. However, it
would be good to know how to use other libraries for experimentation.
On Sep 29, 3:23 pm, Robert Kluin robert.kl...@gmail.com wrote:
There is an included sqlite backend. Maybe you could look into
modifying that to connect
Actually, I forgot about this: TyphoonAE already has a MySQL
connector. You could probably grab and modify this as needed.
http://code.google.com/p/typhoonae/source/browse/#hg/src/typhoonae/mysql
Robert
On Wed, Sep 29, 2010 at 16:29, Nikola niko...@gmail.com wrote:
Good suggestion; I
I'm using GAE as the backend for a game and I'm looking for some help
in optimizing my CPU usage. With my current usage and at the current
billable rates, it looks like I will not be able to scale to the
hundreds of thousands, let alone millions, of transactions a day
without spending a ton of
Hey,
For the last week or so I have been getting a high error rate (approx
40%) on my Java app along with this error:
Request was aborted after waiting too long to attempt to service your
request because you have reached your simultaneous dynamic request
limit. This is almost always due to
For the request you describe here, what modules are you importing?
Are the Gets by keyname or are they filtered queries?
Are you doing the puts all at once (for Python, that would mean putting all
the entities into a entityList and calling db.put(entityList)) or are you
doing separate puts for
Just to add to my first message, I took a look at AppStats and
realised its PUT requests to the datastore which are driving up my
request time. Here are the stats for a typical request:
@1ms memcache.Get real=9ms api=0ms
@10ms memcache.Set real=10ms api=0ms
@21ms datastore_v3.Get real=13ms
Hello,
I have started using AppEngine to build some Web Pages.
It is very difficult to find an example, let alone try and explain it.
If you find something that that you like, or close to what you like,
take a look at the source for the page.
I am using IE8 and have the option to View -
For the request you describe here, what modules are you importing?
Nothing extra that I know of besides what is necessary for Java/JDO to
work with App Engine. What's the best way to figure this out?
Are the Gets by keyname or are they filtered queries?
The gets are done with keys.
Are you
Anyone knows how to use jrebel with appengine in eclipse + mac to hot
deploy?
I've been following the steps on the jrebel documentation but i can't
get it running.
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Before reading or responding to anything else.. let me direct you to this
guys experience.. part of which was his revelation with batch puts:
http://www.gregtracy.com/adventures-in-performance-tuning-on-google-ap
http://www.gregtracy.com/adventures-in-performance-tuning-on-google-apHe
was doing
Yes and no. There should be more than enough capacity for us to execute task
queue tasks with a reasonable latency. With delays of an hour, it's far more
likely that the tasks are failing for whatever reason and being retried.
There are many reasons a task may fail: deadline exceeded error, an
Hi
You can't actually run appengine from within virtualenv. At least not
out of the box.
I do use virtualenv (--no-site-packages) to get eggs installed
locally, then symlink them into my
project, but I do not run appengine from with in virtualenv.
I do think there is a recipe out there
Are you doing the Gets in a batch all at once or individually? (Naturally,
my recommendation would be to get everything in a batch if they are from the
same Model)
What exactly are the objects that you are getting? Since you are getting by
keyname, you could modify your code fairly easy to
I have gone through and verified our app engine account. When I try to
create a new application, it keeps taking me back to the start screen
after creating the application.
It doesn't list my application after it is created. I can tell that an
application is created. The name is taken and can't
That's funny, I JUST posted this to the App Engine Reddit:
http://www.reddit.com/r/AppEngine/comments/dkpue/appengine_jrebel_and_eclipse_getting_them_to_work/
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The latencies on those puts look a bit high, but not in the 10k ms range.
Where are you seeing this number?
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Twitter: http://twitter.com/app_engine
Some people have found Objectify's introduction to the datastore to be very
useful in learning how to model data for it:
http://code.google.com/p/objectify-appengine/wiki/Concepts
--
Ikai Lan
Developer Programs Engineer, Google App Engine
Blogger: http://googleappengine.blogspot.com
Reddit:
Hi,
In the last 24 ~ 48 hours, I have no longer been able to deploy apps to
my app engine account. I get error Unable to update app: Unknown.
To be specific, I right-click my project in Eclipse, choose Google in
the menu, and Deploy to App Engine in the sub-menu. I supply my id
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