Switch to HR datastore
On Mar 21, 9:28 am, Aswath Satrasala aswath.satras...@gmail.com
wrote:
I have been have the same Datastore Viewer error with my appid
'vs-accounting'. It is configure as M/S.
I am having this trouble for over 1.5 days. This application is in
production. I don't know
the least.
You've referenced many websites, but how about books you found helpful.
Thanks again.
On Tuesday, March 20, 2012 7:35:03 AM UTC-4, Mike Lawrence wrote:
Presenting this slide deck at DevNexus 2012 this week:
http://goo.gl/RspSm
It details my experiences developing
http
Presenting this slide deck at DevNexus 2012 this week:
http://goo.gl/RspSm
It details my experiences developing
http://WordPong.com, a web-based social game, on GAE.
Mike Lawrence
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How about a public google doc?
https://support.google.com/docs/bin/answer.py?hl=enanswer=184006
On Feb 26, 2:28 pm, Vik vik@gmail.com wrote:
Hie
I am generated html documents using a google text doc as template (reading
it using gdata apis and then doing some text manipulation).
Now, I
I noticed similar behavior.
I think the auto setting for minimum number
of instances changed from two to zero active
instances.
I changed from auto to one, and my app
is much more responsive. setting minimum
instances higher will co$t you more
On Feb 25, 9:36 am, Anders blabl...@gmail.com wrote:
since hrd is eventually consistent,
you need to restructure your app to not
immediately query the newly commited data after a transaction.
welcome to nosql
my app builds its own result page that assumes the committed data is
there.
by the time the user refreshes the page the
data is there and
I changed instaces settings in console from auto to a minimum of two
and the response times are again about a second
On Feb 16, 2:07 pm, Matthias Friedrich mtthsfrd...@gmail.com wrote:
hi mike,
i can confirm that. The responsetime is getting higher and higher,
meanwhile some are above 90
Average HTTP Response times have gone from sub-second to about 10secs.
http://montools.com/stats/11770
I've not changed any admin settings or code.
Anyone else seeing this?
Looks like the scheduler now causes more cold starts.
Since me requests include memcache and database updates, not sure if
, Mike Lawrence
Blessed are the flexible, for they will never get bent out of shape
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On page:
http://code.google.com/appengine/docs/java/googlestorage/overview.html
writableFile = new AppEngine(path);
should be
writableFile = new AppEngineFile(path);
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Engine
plus.ikailan.com | twitter.com/ikai
On Fri, Jan 13, 2012 at 11:12 AM, Mike Lawrence
m...@systemsplanet.comwrote:
Ikai,
Docs still say transactions wont span entity groups:
http://code.google.com/appengine/docs/java/datastore/transactions.html
http://code.google.com/p
with the
High Replication Datastore, which allow you to perform transactions
across multiple entity groups.
http://code.google.com/appengine/docs/java/datastore/transactions.html
Sincerely, Mike Lawrence
On Thu, Jan 12, 2012 at 12:23 AM,
google-appengine-java@googlegroups.com wrote:
Today's
My Java GAE app has http sessions enabled.
Periodically, I see calls to createSession fail with a memcache error.
Anyone else seeing similar behavior?
Is there any elegant way to recover from this?
Here's an example:
2011-11-14 18:06:59.062
org.apache.jasper.runtime.JspFactoryImpl
2-3 secs with stripes + slim3
On Sep 29, 9:29 pm, Tapir tapir@gmail.com wrote:
?
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Instead of ranting google broke it,
it might be more productive if you:
- identify the type of app you are building
- use cases
- API calls
- number users
- typical transactions
- consistency requirements
- etc
then offer some suggestions on how google
could support your use
have you tried viewing the http headers in each request
using chrome, firebug, httpwatch, etc?
sunshine is the best disinfectant
I dont think redirects normally can set cookies
maybe the prod server is striping your
invalid host headers on a redirect
On Aug 28, 7:32 am, Simon Knott
switching to the high availability data store
fixed this for me.
On Aug 25, 10:30 am, Anders blabl...@gmail.com wrote:
I switched on the Always On option and it works inasmuch as the dashboard
shows three resident instances but new instances are started sometimes with
only a few seconds
https://lh5.googleusercontent.com/-9Pc3z3hf7bM/Tlad9xaPGoI/ABo/rxXUUy89RUI/appstats1.jpg
Hope this post doesn't get me in trouble with my Google friends, but
I've about had it with the Google App Engine System Status page.
http://code.google.com/status/appengine
Yesterday my app was
I still cant sign in from eclipse Helios, but I was able to deploy
using this cmd:
set GAESDK=C:\eclipse\plugins
\com.google.appengine.eclipse.sdkbundle_1.5.0.r36v201105092302\appengine-
java-sdk-1.5.0
set JAVA_HOME=C:\Program Files\Java\jdk1.6.0_25
%JAVA_HOME%\bin\java -cp
authenticated
I save app state in hidden form html.
hope that helps
Sincerely, Mike Lawrence
On Mon, Aug 22, 2011 at 10:54 AM, thstart thst...@gmail.com wrote:
+Mike Lawrence
As you post I have couple of questions to you.
Average response time is still sub-second for the week.
Do you use
For the one week off of Master/Slave and on HR:
- up-time has been 100%
- max response time has improved... down from 22+ seconds to about 2-6
seconds.
- Average response time is still sub-second for the week.
if you use slim3 for your data store operations you can avoid all this
parenting nonsense.
slim3 allows you to update two of the same kind in a single transaction!
why should we be required to place entities that are not logically related
into a parenting relationship just to get transaction
. I'd ask the slim3 user group.
they're friendly and very responsive.
good luck
Mike Lawrence
On Aug 15, 2011, at 10:08 PM, Tim Hoffman zutes...@gmail.com wrote:
HI Mike.
You said slim3 allows you to update two of the same kind in a single
transaction!
How does slim3 achieve
to build a scalable schema on GAE I'd consider
this agile/tracer bullet approach:
1 identify your most common couple of use cases
eg building home page, list friends, etc
2 implement it from front end to back end
using keyed reads over queries where
possible
3 add new features without breaking
the stripes web framework starts in
under 3 seconds on GAE.
it's clean, simple, and light.
do you really need spring?
is wiring beans really worth all the startup cost?
On Aug 3, 9:57 pm, John jwb...@gmail.com wrote:
As our app has grown, the amount of initialization work to do in order to
thanks for clearing that up.
I'm sure a lot of people will be confused by this.
Maybe add a $ next to instances that we are being charged for so it's
obvious?
Thanks for your excellent support
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that helps. There is also a lengthy discussion going on
at:http://groups.google.com/group/google-appengine/browse_thread/thread/...
On Wed, Jul 27, 2011 at 2:59 PM, Mike Lawrence m...@systemsplanet.com wrote:
I purchased 3 Always-On instances.
My site is under construction
on
at:http://groups.google.com/group/google-appengine/browse_thread/thread/...
On Wed, Jul 27, 2011 at 2:59 PM, Mike Lawrence m...@systemsplanet.com wrote:
I purchased 3 Always-On instances.
My site is under construction with no traffic.
When I hit my site, GAE fires up a new dynamic
I purchased 3 Always-On instances.
My site is under construction with no traffic.
When I hit my site, GAE fires up a new dynamic instance to service the
request when there are 3 idle instances!
My app starts in 2.0 seconds (using stripes)
But GAE takes 9.4 seconds to reply (why?).
Really annoying.
Nice blog post Jeff.
I've found myself storing lists of keys
in my domain objects to replace
queries with fast parallel gets of
related domain objects. Of course,
there is a trade-off of the expense
of keeping the key list fresh. This makes
the GUI extreamly fast (no queries, just
gets) and
Nice Jeff. Do you ever sleep? ;)
Now we can quickly move all the
fb data to g+ and stop using fb. joy.
On Jul 12, 1:55 am, Jeff Schnitzer j...@infohazard.org wrote:
This is the first time I've announced this opensource project in this forum
because until now there wasn't anything GAE-specific
Googlers?
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What is the financial cost associated with using this feature?
IE how many additional API calls/datastore accesses/bytes transferred/
etc can one expect?
http://code.google.com/p/googleappengine/issues/detail?id=1692
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I get...
The number of entities: 1
low level 1717 millis
slim3 1502 millis
objectify 2970 millis
jdo 3485 millis
probably should modify this example
to do an average of several runs
one important thing to note, is slim3 allows you
to update multiple entity types
in a single transaction.
not
maven thoughts
- anyone who's worked on a large
project over time has seen the build
scripts grow in complexity and maintenance
costs
- maven, like many solutions, introduces
a domain-specific-language to simplify
things, or in mavens case, a domain
specific XML schema
- I usually cringe when I
+1 stripes
my stripe app boots cold in 2 seconds
round trip times from browser to datastore
in back are about 100ms
the rest of the stack...
combined with slim3 datastore and
much if the gae datastore issues
melt away
jquery mobile - works cross browser,
google tv, cross smart
sorry you're having problems.
dont think this is an app engine issue
since many folks use stripes on gae.
here are the stripe parts from my web XML
?xml version=1.0 encoding=utf-8?
web-app xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance;
xmlns=http://java.sun.com/xml/ns/javaee;
there is no file system in gae so
the multipart wrapper could be your problem.
it probably would work locally by not in prod
On May 15, 8:30 am, Mike Lawrence m...@systemsplanet.com wrote:
sorry you're having problems.
dont think this is an app engine issue
since many folks use stripes on gae
*I hope Google is not counting on everyone enabling multithreading to make
this new model work.*
*If so, I'm afraid I'll reluctantly have to move from GAE. *
I volume tested my GAE web app using jmeter with and without GAE
multithreading enabled.
Hope others will confirm/refute my findings:
Is this math correct for 3 reserved instances?
*Current plan:*
* $9/month*
*New plan *($9/month platform fee + ($0.05 / hour for reserved instance * 24
hrs/day * 30 days /month x 3 instances)
*$117 /month*
That can't be right? 13 times more? Please tell me I'm wrong.
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You cant use a 3rd party library to add threading.
The API to create a new thread is not in the white list so it's not allowed
Sincerely, Mike Lawrence
On Wed, May 11, 2011 at 2:32 PM, Kyle Finley kylefin...@gmail.com wrote:
What if you were to re-wright using datastore plus?
http
Just retested my app with the new 1.5.0 GAE SDK.
Results are completely different. Could be SDK or infrastructure changes.
Previously, the multithreaded mode
would only spawn 3 instances. Now it spawned 8.
1000 user threads, each doing 100 web page requests that issue a couple of
backend
Mark,
if I write a simple servlet that accepts JSON
it supports any client too, for free with no
external dependencies.
I watched your entire video.
Sorry, not sure I understand your value
proposition.
On Apr 5, 3:45 pm, Mark Piller mpil...@gmail.com wrote:
Hey guys,
I am not sure what the
Ck out this crash course in getting a java app up from scratch...
http://goo.gl/UT2W3
My personal recommendations:
- plan on spending a week or two learning how the datastore works
before you get started
- if you will ever need the High Replication Datastore, set it up now.
it's a pain to add it
this one works really well locally
and on gae
http://code.google.com/p/ktrwjr/
On Mar 22, 5:58 pm, Brendan Doherty bren...@propertysimplified.com
wrote:
At Google I/O last year, Max Ross gave an interesting talk on a unit test
harness that let you run existing test suites in production on
http://code.google.com/appengine/kb/general.html
How many applications can I create with Google App Engine?
You can delete your existing applications via the Admin Console if
you want to create more,
but you will not be able to re-register an application ID.
On Mar 14, 9:41 am, IvanRdz
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