Hi Scott,
Are you accessing those entities by getting by keys, or by queries?
-- Takashi
On Fri, Aug 31, 2012 at 12:08 AM, Scott wrote:
>
> At 5:31PM PST last Saturday, August 25th, our app, write-way, started
> generating a bunch of errors as the system stopped being able to find a
> handful of our most commonly accessed entities. These sorts of entities are
> never deleted, and I checked through the code (though I can't guarantee
> there isn't some bug in the code) and couldn't find any instances of these
> entities being deleted. Also these entities have been used for going on
> four years now and we've never seen this happen before. Luckily we were
> able to restore most the data that was missing, but since then there have
> no more such losses, and we still can't find a reason for this data going
> missing, and we're worried now that some other entities that are less
> visible are also gone.
>
> Are there any instances of entities just going missing? There's no
> particular connection between the seven of them that we were able to
> identify were missing, except that they seem to have gone at about the same
> exact time, and we can pinpoint that time. And it was only a handful as far
> as we know. We'll keep looking for a reason, tighten up our security, and
> work on having better backup systems, but basically was wondering if
> there's anything Google-side that might help explain this, or if anyone
> else has experienced something like this.
>
> If it's any help, here are the keys:
>
> [datastore_types.Key.from_path(u'VocabListInfo', 47892865,
> _app=u's~write-way'),
> datastore_types.Key.from_path(u'VocabListInfo', 37347661,
> _app=u's~write-way'),
> datastore_types.Key.from_path(u'VocabListInfo', 108027294,
> _app=u's~write-way'),
> datastore_types.Key.from_path(u'VocabListInfo', 47828570,
> _app=u's~write-way'),
> datastore_types.Key.from_path(u'VocabListInfo', 99447023,
> _app=u's~write-way'),
> datastore_types.Key.from_path(u'VocabListInfo', 47846448,
> _app=u's~write-way'),
> datastore_types.Key.from_path(u'VocabListInfo', 89472006,
> _app=u's~write-way')]
>
> --
> You received this message because you are subscribed to the Google Groups
> "Google App Engine" group.
> To view this discussion on the web visit
> https://groups.google.com/d/msg/google-appengine/-/5AGALmBQoRQJ.
> To post to this group, send email to google-appengine@googlegroups.com.
> To unsubscribe from this group, send email to
> google-appengine+unsubscr...@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/google-appengine?hl=en.
>
--
Takashi Matsuo | Developers Advocate | tmat...@google.com
--
You received this message because you are subscribed to the Google Groups
"Google App Engine" group.
To post to this group, send email to google-appengine@googlegroups.com.
To unsubscribe from this group, send email to
google-appengine+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/google-appengine?hl=en.
