So it could be rephrased from: "In the Python runtime, an instance is killed and restarted when a request handler hits DeadlineExceededError. "
to: "In the Python runtime, an instance is killed and restarted when a request handler hits DeadlineExceededError *during a cold start (and not when a request hits a warm instance)*. " Correct? johnP On Dec 2, 4:42 pm, "Ikai Lan (Google)" <ikai.l+gro...@google.com> wrote: > No, this is specifically to address DeadlineExceededExceptions on cold > starts. Partial imports due to this exception on startup can cause apps to > end up in a bad state. > > -- > 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 > > > > > > > > On Thu, Dec 2, 2010 at 4:14 PM, Tim Hoffman <zutes...@gmail.com> wrote: > > Hi Ikai > > > So if we catch a deadline exceeded is the instance recycled ? (I hope > > not) > > > Just trying to understand when the instance will be recycled. For > > instance > > if a deadlineexceeded occurs during imports then recycling is probably > > good. > > > a deadlineexceeded during a query causing a recycling of the instance > > would not be good. > > > Thanks > > > Tim > > > On Dec 3, 7:46 am, "Ikai Lan (Google)" > > <ikai.l+gro...@google.com<ikai.l%2bgro...@google.com> > > > wrote: > > > Tim, it should be on any DeadlineExceededError. > > > > David, I don't have a diff. Is there anything in particular you are > > looking > > > for? > > > > -- > > > 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 > > > > On Thu, Dec 2, 2010 at 3:30 PM, Tim Hoffman <zutes...@gmail.com> wrote: > > > > 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)" > > > > <ikai.l+gro...@google.com<ikai.l%2bgro...@google.com> > > <ikai.l%2bgro...@google.com <ikai.l%252bgro...@google.com>> > > > > > 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 > > ... > > read more » -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. 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