[appengine-java] Some MapReduce questions.

2012-02-22 Thread markabrucey
Hi there, I am a MapReduce rookie, so I have a few questions to ask (sorry if they are silly questions): - What is the maximum input processing rate? - The docs say: - The aggregate number of entities processed per second by all mappers. Used to prevent large

[appengine-java] Re: Some MapReduce questions.

2012-02-22 Thread markabrucey
Never mind, I just found the announcement of the migration to stack overflow, Any replies are still appreciated though. -- You received this message because you are subscribed to the Google Groups Google App Engine for Java group. To view this discussion on the web visit

[appengine-java] Re: Some MapReduce questions.

2012-02-22 Thread markabrucey
I also found this which helps a lot: http://stackoverflow.com/questions/5494251/how-fast-is-google-app-engine-mapreduce -- You received this message because you are subscribed to the Google Groups Google App Engine for Java group. To view this discussion on the web visit

[appengine-java] Re: Help, error from example - java.lang.NoClassDefFoundError: Could not initialize class guestbook.PMF

2012-02-22 Thread Vaso
I write to CLASSPATH C:\; Less errors: HTTP ERROR 500 Problem accessing /. Reason: java.lang.NoClassDefFoundError: Could not initialize class guestbook.PMF Caused by: javax.servlet.ServletException: java.lang.NoClassDefFoundError: Could not initialize class guestbook.PMF at

[appengine-java] Clean Slate

2012-02-22 Thread T J
I successfully uploaded an application using appcfg.sh. The application was working properly, but subsequently entered an unstable state (Server Error 500s now). I'd like to restore my application to a clean slate. Is there a way to do this? In other words, I want there to be no deployed

Re: [appengine-java] max keys for memcache

2012-02-22 Thread Kesava Neeli
We would like to have a map of all users in datastore in mem cache so that we can look up for any username/email/number to verify if he is already an user of our app. Ex: A user wants to send some message to an email address from our mobile app. We want to find if there is any user in our

Re: [appengine-java] max keys for memcache

2012-02-22 Thread Jeff Schnitzer
You are overthinking this. To the point of lunacy. Jeff On Wed, Feb 22, 2012 at 5:07 PM, Kesava Neeli nke...@gmail.com wrote: We would like to have a map of all users in datastore in mem cache so that we can look up for any username/email/number to verify if he is already an user of our

Re: [appengine-java] max keys for memcache

2012-02-22 Thread Kesava Neeli
Jeff, If you understood my requirement, I would love to hear any suggestions you have if you think MemCache is not a solution. -- You received this message because you are subscribed to the Google Groups Google App Engine for Java group. To view this discussion on the web visit

Re: [appengine-java] max keys for memcache

2012-02-22 Thread Jeff Schnitzer
Your requirement appears to be able to look up user by email. The datastore does exactly this for you. The idea of loading your entire datastore into memcache just so you can do lookups is totally absurd. Jeff On Wed, Feb 22, 2012 at 6:05 PM, Kesava Neeli nke...@gmail.com wrote: Jeff, If

Re: [appengine-java] max keys for memcache

2012-02-22 Thread Kesava Neeli
our user account has many fields like userName, email, number, alternate email list, ids from social networks like facebook, google, twitter, linkedin etc. The primary key is one of those fields. In realtime, we should be able to find if a user exists with any the fields and not just email.

Re: [appengine-java] max keys for memcache

2012-02-22 Thread Bruno Fuster
you could create a simple list of strings like googleId:2182031, facebookId:2913812 and query it on a single field depending on your needs On Wed, Feb 22, 2012 at 10:58 PM, Kesava Neeli nke...@gmail.com wrote: our user account has many fields like userName, email, number, alternate email

[appengine-java] Re: Problem with exception on server startup when GAE sdk is in svn

2012-02-22 Thread Max Ross (Google)
It's a bug triggered by the fact that the .svn directories are read-only. If you make those directories writable the problem *should* go away. Please try that out and let me know. Thanks, Max -- You received this message because you are subscribed to the Google Groups Google App Engine for