Hi Ikae
Can you elaborate on
In the Python runtime, an instance is killed and restarted when a
request
handler hits DeadlineExceededError. This should fix an issue related
to
intermittent SystemErrors using Django.
http://code.google.com/p/googleappengine/issues/detail?id=772
Is this for any DeadlineExceededError or only uncaught ones ?
Thanks
Tim
On Dec 3, 4:14 am, "Ikai Lan (Google)" <[email protected]>
wrote:
> Hey everyone,
>
> Version 1.4.0 is officially released! Documentation will go live shortly. In
> the meantime, check out our blog post:
>
> http://googleappengine.blogspot.com/2010/12/happy-holidays-from-app-e...
>
> Release notes are below:
>
> Python
> ------------
> - The Always On feature allows applications to pay and keep 3 instances of
> their
> application always running, which can significantly reduce application
> latency.
> - Developers can now enable Warmup Requests. By specifying a handler in an
> app's app.yaml, App Engine will attempt to send a Warmup Request to
> initialize
> new instances before a user interacts with it. This can reduce the latency
> an
> end-user sees for initializing your application.
> - The Channel API is now available for all users.
> - Task Queue has been officially released, and is no longer an experimental
> feature. The API import paths that use 'labs' have been deprecated. Task
> queue
> storage will count towards an application's overall storage quota, and
> will
> thus be charged for.
> - The deadline for Task Queue and Cron requests has been raised to 10
> minutes.
> Datastore and API deadlines within those requests remain unchanged.
> - For the Task Queue, developers can specify task retry_parameters in their
> queue.yaml.
> - Apps that have enabled billing are allowed up to 100 queues with the Task
> Queue API.
> - Metadata Queries on the datastore for datastore kinds, namespaces, and
> entity
> properties are available.
> - URLFetch allowed response size has been increased, up to 32 MB. Request
> size
> is still limited to 1 MB.
> - The request and response sizes for the Images API have been increased to
> 32 MB.
> - The total size of Memcache batch operations is increased to 32 MB. The 1
> MB
> limit on individual Memcache objects still applies.
> - The attachment size for outgoing emails has been increased from 1 MB to 10
> MB.
> The size limit for incoming emails is still 10 MB.
> - Size and quantity limits on datastore batch get/put/delete operations have
> been removed. Individual entities are still limited to 1 MB, but your app
> may
> batch as many entities together for get/put/delete calls as the overall
> datastore deadline will allow for.
> - When iterating over query results, the datastore will now asynchronously
> prefetch results, reducing latency in many cases by 10-15%.
> - The Admin Console Blacklist page lists the top blacklist rejected
> visitors.
> - The automatic image thumbnailing service supports arbitrary crop sizes up
> to
> 1600px.
> - Overall average instance latency in the Admin Console is now a weighted
> average over QPS per instance.
> - The developer who uploaded an app version can download that version's code
> using the appcfg.py download_app command. This feature can be disabled on
> a per application basis in the admin console, under the 'Permissions' tab.
> Once disabled, code download for the application CANNOT be re-enabled.
> - Fixed an issue where custom Admin Console pages did not work for Google
> Apps for your Domain users.
> - In the Python runtime, an instance is killed and restarted when a request
> handler hits DeadlineExceededError. This should fix an issue related to
> intermittent SystemErrors using Django.
> http://code.google.com/p/googleappengine/issues/detail?id=772
> - Allow Django initialization to be moved to appengine_config.py to avoid
> Django version conflicts when mixing webapp.template with pure Django.
> http://code.google.com/p/googleappengine/issues/detail?id=1758
> - Fixed an issue with OpenId over SSL.
> http://code.google.com/p/googleappengine/issues/detail?id=3393
> - Fixed an issue on the dev_appserver where login/logout code didn't work
> using
> Python 2.6.
> http://code.google.com/p/googleappengine/issues/detail?id=3566
> - Fixed an issue in the dev_appserver where get_serving_url did not work
> for transparent, cropped PNGs:
> http://code.google.com/p/googleappengine/issues/detail?id=3887
> - Fixed an issue with the DatastoreFileStub.
> http://code.google.com/p/googleappengine/issues/detail?id=3895
>
> Java
> ---------
> - The Always On feature allows applications to pay and keep 3 instances of
> their
> application always running, which can significantly reduce application
> latency.
> - Developers can now enable Warmup Requests. By specifying a handler in an
> app's appengine-web.xml, App Engine will attempt to send a Warmup Request
> to
> initialize new instances before a user interacts with it. This can reduce
> the
> latency an end-user sees for initializing your application.
> - The Channel API is now available for all users.
> - Task Queue has been officially released, and is no longer an experimental
> feature. The API import paths that use 'labs' have been deprecated. Task
> queue
> storage will count towards an application's overall storage quota, and
> will
> thus be charged for.
> - The deadline for Task Queue and Cron requests has been raised to 10
> minutes.
> Datastore and API deadlines within those requests remain unchanged.
> - For the Task Queue, developers can specify task retry-parameters in their
> queue.xml.
> - Apps that have enabled billing are allowed up to 100 queues with the Task
> Queue API.
> - Metadata Queries on the datastore for datastore kinds, namespaces, and
> entity
> properties are available.
> - URL Fetch allowed response size has been increased, up to 32 MB. Request
> size
> is still limited to 1 MB.
> - The request and response sizes for the Images API have been increased to
> 32 MB.
> - The total size of Memcache batch operations is increased to 32 MB. The 1
> MB
> limit on individual Memcache objects still applies.
> - The attachment size for outgoing emails has been increased from 1 MB to 10
> MB.
> The size limit for incoming emails is still 10 MB.
> - Size and quantity limits on datastore batch get/put/delete operations have
> been removed. Individual entities are still limited to 1 MB, but your app
> may
> batch as many entities together for get/put/delete calls as the overall
> datastore deadline will allow for.
> - When iterating over query results, the datastore will now asynchronously
> prefetch results, reducing latency in many cases by 10-15%.
> - The Admin Console Blacklist page lists the top blacklist rejected
> visitors.
> - The automatic image thumbnailing service supports arbitrary crop sizes up
> to
> 1600px.
> - Overall average instance latency in the Admin Console is now a weighted
> average over QPS per instance.
> - Added a low-level AysncDatastoreService for making calls to the datastore
> asynchronously.
> - Added a getBodyAsBytes() method to QueueStateInfo.TaskStateInfo, this
> returns
> the body of the task state as a pure byte-string.
> - The whitelist has been updated to include all classes from javax.xml.soap.
> - Fixed an issue sending email to multiple recipients.
> http://code.google.com/p/googleappengine/issues/detail?id=1623
> - Revert the default logging level during GWT hosted mode back to INFO.
> http://code.google.com/p/googleappengine/issues/detail?id=4011
> - Fixed an issue with OpenId over SSL.
> http://code.google.com/p/googleappengine/issues/detail?id=3393
>
> I'll update this thread again when documentation is live. Auto-updaters will
> also go live shortly.
>
> --
> Ikai Lan
> Developer Programs Engineer, Google App Engine
> Blogger:http://googleappengine.blogspot.com
> Reddit:http://www.reddit.com/r/appengine
> Twitter:http://twitter.com/app_engine
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