Yes it is still there:
http://code.google.com/appengine/docs/java/javadoc/com/google/appengine/api/datastore/DatastoreServiceConfig.html
It is most useful to specify EVENTUAL read consistency to increase
performance by decreasing error rates due to contention.
On 5 Jul 2010, at 20:22, Christian Goudreau wrote:
DatastoreServiceConfig doesn't exist anymore !?
void setServiceFromConfig(DatastoreServiceConfig config);
I should chande this to what ?
Christian
On Thu, Jul 1, 2010 at 2:00 PM, Ikai L (Google) <[email protected]>
wrote:
End cursors allow you to set a query to say, "stop this query when
you get to this cursor". Docs will be up soon. The Javadocs are
already up:
http://code.google.com/appengine/docs/java/javadoc/com/google/appengine/api/datastore/FetchOptions.html
For instance, let's pretend our index references the following keys:
a, b, c, d, e, f, g
You create 3 cursors
cursor1 -> a
cursor2 -> d
cursor3 -> g
You can now create queries that say, "start at cursor1 and end at
cursor 2" and "start at cursor 2 and end at cursor 3". This is most
useful for breaking up work in task queues. It has the advantage
over using offsets such as "start at cursor1 and get the next N
elements" because if we insert new keys b2 and b3 such that your
index looks like this:
a, b, b2, b3, c, d, e, f, g
Keys between cursor1 and cursor 2 now reference b2 and b3. You can
now break up work and be insert-proof.
On Thu, Jul 1, 2010 at 12:28 AM, Nacho Coloma <[email protected]>
wrote:
"The datastore now supports both end cursors."
I have checked out the documentation and cannot find what this is
about. Anyone?
On Jul 1, 1:10 am, Ikai Lan <[email protected]> wrote:
> Hey everybody,
>
> We've released the 1.3.5 SDK. Blog post here:
>
> http://googleappengine.blogspot.com/2010/06/app-engine-sdk-135-releas
...
>
> The big announcements are the raising of the Task Queue rate, Python
> precompilation, and new Blob features. You can get it from the
downloads
> page:
>
> http://code.google.com/appengine/downloads.html
>
> Release notes are below:
>
> Java
> ---------------
> - Ability to configure the Task Queue storage limit with the
> total-storage-limit field in the queue.xml file.
> - Task Queues now support up to 50 qps per queue, up from 50 qps
per app.
> - Developers can programmatically access Blobs with
BlobstoreInputStream,
> which provides an InputStream view of a blob in Blobstore.
> - Bulkloader transform helpers for lists and hierarchical keys
were added.
> - remote_api_shell commands can be sent over HTTPS or HTTP.
> - Admin Console logs now include information on request time
latency.
> - The datastore now supports both end cursors.
> - Fixed an issue where requesting /appstats would not properly
direct to
> /appstats/.
> - Fixed an issue with inconsistent URL mappings between the SDK and
> production.
> -http://code.google.com/p/googleappengine/issues/detail?id=2598
>
> --
> Ikai Lan
> Developer Programs Engineer, Google App Engine
> Blog:http://googleappengine.blogspot.com
> Twitter:http://twitter.com/app_engine
> Reddit:http://www.reddit.com/r/appengine
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Blog: http://googleappengine.blogspot.com
Twitter: http://twitter.com/app_engine
Reddit: http://www.reddit.com/r/appengine
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