Re: [google-appengine] Automated way to switch from M/S to HR?

[Rajkumar Radhakrishnan]

Thanks for the info, Joshua. I was almost convinced that moving to HR would
solve the issues, until I see this mail making me wonder if this is not
just about MS/HR..
http://groups.google.com/group/google-appengine/browse_thread/thread/89058dc033bc8d83?pli=1


Regards,
Raj

On Mon, Jan 9, 2012 at 10:59 PM, Joshua Smith wrote:

> ids do not change when you migrate. The full key changes, because it
> includes the app name. But the id() part is preserved. You should be fine.
>
> On Jan 9, 2012, at 6:18 AM, Rajkumar Radhakrishnan wrote:
>
> Hi,
>
> One of my app is a multi-tenant, metadata-driven online database app. I
> have used the key().id() values extensively within my app for entity-names,
> attribute-names and as values (including for custom namespace-id fields).
>
> This app instance has been facing recurring 
> DeadlineExceededErrorsin
>  instance loading and the suggestion has been to move to HR, from my
> current MS datastore.
>
> My only apprehension in going ahead with the migration is related to the
> key-id values I have used. Will the HR migration tool retain the key-ids
> when the data is migrated ?
>
> If this is not the case, I can keep the old app running and ask customers
> to move to a new HRD deployment manually (export & import app and then
> their data).
>
> Thanks & Regards,
> Raj
>
>
>
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Re: [google-appengine] Automated way to switch from M/S to HR?

[Joshua Smith]

ids do not change when you migrate. The full key changes, because it includes 
the app name. But the id() part is preserved. You should be fine.

On Jan 9, 2012, at 6:18 AM, Rajkumar Radhakrishnan wrote:

> Hi,
> 
> One of my app is a multi-tenant, metadata-driven online database app. I have 
> used the key().id() values extensively within my app for entity-names, 
> attribute-names and as values (including for custom namespace-id fields).
> 
> This app instance has been facing recurring DeadlineExceededErrors in 
> instance loading and the suggestion has been to move to HR, from my current 
> MS datastore.
> 
> My only apprehension in going ahead with the migration is related to the 
> key-id values I have used. Will the HR migration tool retain the key-ids when 
> the data is migrated ?
> 
> If this is not the case, I can keep the old app running and ask customers to 
> move to a new HRD deployment manually (export & import app and then their 
> data).
> 
> Thanks & Regards,
> Raj
> 
> 
> 
> -- 
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> "Google App Engine" group.
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> google-appengine+unsubscr...@googlegroups.com.
> For more options, visit this group at 
> http://groups.google.com/group/google-appengine?hl=en.

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Re: [google-appengine] Automated way to switch from M/S to HR?

[Will Reiher]

Ikai,

That's great news! I'm not so worried about a temporary read-only period 
it's the the idea of switching the application id that was scary. I've 
already done it once, and while it was fairly painless, it did affect our 
https requests point to the app-id appspot url.

Thanks for the update - I'm sure many other people will be making the 
switch.

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Re: [google-appengine] Automated way to switch from M/S to HR?

[Ikai Lan (Google)]

We're working on a migration tool that'll be better than the one that exists
now. You will be able to preserve your current application ID.
Unfortunately, there will still be a copy step, so this will likely result
in a read-only period for your app.

--
Ikai Lan
Developer Programs Engineer, Google App Engine
plus.ikailan.com | twitter.com/ikai



On Wed, Aug 3, 2011 at 12:53 PM, Will Reiher  wrote:

> Since I have been having a number of issues with Deadlines on the M/S I
> would like to move to HR but creating a new app and migrating data is really
> not an option. Is the app engine team working on a click of a button type
> upgrade that doesn't require duplication and/or migrating to a new
> application-id etc?
>
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[google-appengine] Automated way to switch from M/S to HR?

[Will Reiher]

Since I have been having a number of issues with Deadlines on the M/S I 
would like to move to HR but creating a new app and migrating data is really 
not an option. Is the app engine team working on a click of a button type 
upgrade that doesn't require duplication and/or migrating to a new 
application-id etc?

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