Hi Alex,

I've just restarted the job, because I think you have removed the
non-existing blob reference.
Please let us know if it completes(or fails).

Thanks,

-- Takashi


On Tue, Jul 10, 2012 at 4:20 PM, Alexander Trakhimenok <
[email protected]> wrote:

> Hello Google AppEngine team and GAE developers,
>
> Just a heads up on status of migration tool (*for devs to be aware and
> prepared*) and am begging for support from Google.
>
> We have a major release that migrates our app from M/S to HRD (*with all
> the goodies like XA transaction & Full Text Search*) that was supposed to
> be executed a week ago.
>
> First we hit 2 bugs in HRD migration tool:
>
>    1. *Migration failed due to old unindexed string properties with
>    values > 500 chars* (*it was possible to save such in old SDK*). Fixed
>    by re-putting entities ourselves by executing map/reduce.
>    2. *Migration failed due to blob reference key to non existed blobs* 
> (*there
>    are no reference constrains so no wonder we had a few in DB*). Fixed
>    ourselves by removing bad references using map/reduce.
>
> For those 2 issues we have a production issue ticket:
> http://code.google.com/p/googleappengine/issues/detail?id=7787
>
> Once this was fixed by us after getting information on root cause from
> Google (*there is no way to find errors details by yourself*) we decided
> to revert migration and execute it from scratch. And I guess it was our
> mistake.
>
> The migration process got stuck in "Sync - Reverting..." state for 4 days
> by now:
>
> *Sync*Reverting...
>
> I've raised a separate issue for this 3 days ago:
> http://code.google.com/p/googleappengine/issues/detail?id=7822
>
> Still no answer after 24 hours.
>
> *To developers*:
>
>    1. I advise you to check your data before migration for those 2 issues
>    described above.
>    2. Try avoiding reverting if possible
>
> *To Google GAE team*:
>
>    1. It would be VERY cool for us (*GAE customer*) to be able to see
>    error logs for the migration process.
>    2. It would be VERY-VERY cool to get response on production issues at
>    least in 1 working day (*24 hours*). We are paying customers and while
>    nto BIG ones but w do spend around $1K per month on GAE and do expect some
>    support. Why don't hire at least 1 person who would manage tickets and be
>    responsible for keeping your customers updated?
>    3. Please help us to migrate to HRD - we are eager to move!
>    4. And thanks for the wonderful platform!
>
> Happy coding to everyone.
>
> Alex
> http://www.myclasses.org/ - Powered by GAE
>
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-- 
Takashi Matsuo

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