Re: [google-appengine] Re: 1.9.0 Pre-Release SDKs are now available.

2014-02-12 Thread Keith Lea 
Does it work exactly the same as the google code version? I assumed it
would be different.


On Wed, Feb 12, 2014 at 12:33 AM, Vinny P  wrote:

>
> On Fri, Feb 7, 2014 at 4:03 PM, Keith Lea 
>  wrote:
>
> Where is the documentation for Java MapReduce preview feature? I can't
>> find it at https://developers.google.com/appengine/docs/java/
>>
>>
>
>
> The original location for Java MapReduce documentation is at
> https://code.google.com/p/appengine-mapreduce/wiki/GettingStartedInJavabut 
> you're correct, it looks like the link is missing from the Java ->
> Services subsection.
>
>
> -
> -Vinny P
> Technology & Media Advisor
> Chicago, IL
>
> App Engine Code Samples: http://www.learntogoogleit.com
>
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-- 

*Keith Lea, Co-Founder & CTO*
*(443) 743-2719*
Baltimore, MD

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[google-appengine] Re: 1.9.0 Pre-Release SDKs are now available.

2014-02-11 Thread Keith Lea 
Where is the documentation for Java MapReduce preview feature? I can't find 
it at https://developers.google.com/appengine/docs/java/

On Tuesday, February 4, 2014 8:43:41 PM UTC-5, Richmond Manzana wrote:
>
> We want to inform you that the pre-release SDKs for Python, PHP and Java 
> are now available.
>
> As previously 
> announcedin
>  a Google code site announcement, new App Engine Binaries are no longer 
> available at:
> http://code.google.com/p/googleappengine/downloads/list
>
> Older binaries will remain available at the code.google.com site.
>
> 1.9.0 Pre-release SDKs are now available at these links:
>
> App Engine 1.9.0 Java prerelease 
> SDK
>
> App Engine 1.9.0 Python prerelease 
> SDK
>
> App Engine 1.9.0 PHP prerelease 
> SDK
>
> In the future, please look forward to the finding the latest binaries at 
> https://developers.google.com/appengine/downloads
>
>
> Also, please see the pre-release notes below.
>
> Cheers,
>
> Richmond Manzana
> Technical Program Manager
> Google App Engine
>
> App Engine SDK - Pre-Release Notes
>
> Version 1.9.0
>
> Python & PHP
> ==
> - New App Engine Application Identifiers must now start with a letter,
>   in addition to the existing requirements that the identifier be 6-30
>   characters which are letters, numbers, and hyphens, and not start or end 
> with
>   a hyphen.
>
> Python
> ==
> - The size limit on the Search API is now computed and enforced on a 
> per-index
>   basis, rather than for the app as a whole. The per-index limit is now 
> 10GB.
>   There is no fixed limit on the number of indexes, or on the total amount 
> of
>   Search API storage an application may use.
> - Users now have the ability to embed images in emails via the Content-Id
>   attachment header.
> https://code.google.com/p/googleappengine/issues/detail?id=965
> https://code.google.com/p/googleappengine/issues/detail?id=10503
> - Fixed an issue with NDB backup/restore corrupting certain compressed
>   entities.
> https://code.google.com/p/googleappengine/issues/detail?id=8599
>
> PHP
> ==
> - The PHP interpreter has been upgraded from PHP 5.4.19 to PHP 5.4.22.
> - Autoloading is now available in the SDK so developers will no longer 
> need to
>   explicitly require SDK files.
> - Expanded php.ini setting google_appengine.allow_include_gs_buckets to 
> allow
>   a path filter be included for improved security.
> - A warning message now appears if an application moves a user uploaded 
> file to
>   a Google Cloud Storage bucket/path. This is due to the fact that code 
> may be
>   included and lead to a local file inclusion vulnerability.
> - Added API functions CloudStorageTools::getMetadata() and
>   CloudStorageTools::getContentType() for retrieving the metadata and 
> content
>   type of Google Cloud Storage objects.
> https://code.google.com/p/googleappengine/issues/detail?id=10182
> - Fixed an issue with GCS folders not displaying correctly in Developers
>   Console.
> - Fixed an issue with PHP_SELF and SCRIPT_NAME not being implemented 
> correctly.
> https://code.google.com/p/googleappengine/issues/detail?id=9989
> https://code.google.com/p/googleappengine/issues/detail?id=10478
>
> Java
> ==
> - Java 6 applications cannot be deployed to Google App Engine from any 
> version
>   of the SDK. Existing Java 6 applications will continue to run. If you are
>   still relying on a Java 6 application in Google App Engine, we strongly
>   encourage you to start testing and deploying your app using Java 7. Java 
> 7
>   has been certified by Oracle to be fully backwards compatible with Java 
> 6,
>   as well as providing a number of benefits to developers. Java 7 
> applications
>   will be fully supported in future releases of the App Engine SDK.
>   If you absolutely need to continue to deploy Java 6 applications for
>   compatibility reasons, you can request that your application be 
> whitelisted
>   for Java 6 deployment from http://goo.gl/ycffXq. As we review each 
> whitelist
>   application by hand, please allow 10 working days for review, and note 
> that
>   only billed applications that show a proven incompatibility will be
>   considered for exemption.
> - Modules API methods have been moved out of the labs package in 
> preparation
>   for a general availability release.
> - MapReduce is now a Preview feature. Documentation and getting started 
> guides
>   are now available on developers.google.com.
> - The size limit on th

[google-appengine] Best way to update 400,000 entities at once?

2014-02-11 Thread Keith Lea 
Hi everyone,

I'm a long time App Engine user for my app's backend, but I'm really still 
a novice about the datastore.

I'd like to add a new property (and index) for all entities of a certain 
type. I have about 400,000 of this type of entity in the datastore, and I'd 
like to load each one, add a property, and save it back to the datastore. 
400,000 times.

This will obviously take a long time, so I'd really like to split it up 
into ~100 tasks that each take 1/100th of the entities (~4,000 entities) 
and perform this operation.

But I really don't know how to do this using queries, and the Java 
MapReduce library is overwhelmingly complicated. 

So how can I create 100 tasks that each take a unique chunk of the entities 
to operate on? Is this called "sharding"? Is there a way for a task to say 
"give me entity #200,000 thru #204,000"? (My entity's keys are strings, 
which were generated by my application and generally look like 
"928348-com.example-iOS".)

I'm using Java and Objectify btw. Thanks for any help or guidance!!

Keith

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