major problems with the datastore?

[Jon Stevens]

All the sudden, with no changes on my end, I started getting these errors in my logs:

Caused by: com.google.appengine.api.datastore.DatastoreFailureException: internal error.
	at com.google.appengine.api.datastore.DatastoreApiHelper.translateError(DatastoreApiHelper.java:50)
	at com.google.appengine.api.datastore.DatastoreApiHelper$1.convertException(DatastoreApiHelper.java:70)
	at com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:94)
	at com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:86)
	at com.google.appengine.api.datastore.FutureHelper.getInternal(FutureHelper.java:71)
	at com.google.appengine.api.datastore.FutureHelper.quietGet(FutureHelper.java:32)
	at com.google.appengine.api.datastore.QueryResultsSourceImpl.peekQueryResultAndIfFirstRecordIndexList(QueryResultsSourceImpl.java:161)
	at com.google.appengine.api.datastore.QueryResultsSourceImpl.loadMoreEntities(QueryResultsSourceImpl.java:104)
	at com.google.appengine.api.datastore.QueryResultsSourceImpl.loadMoreEntities(QueryResultsSourceImpl.java:91)
	at com.google.appengine.api.datastore.QueryResultIteratorImpl.ensureLoaded(QueryResultIteratorImpl.java:142)
	at com.google.appengine.api.datastore.QueryResultIteratorImpl.hasNext(QueryResultIteratorImpl.java:62)
	

Started at 10:11pm Pacific time.

Any ideas?

jon

[R.J. Lorimer]

I got a raft of these around the same time. I have an asynchronous log daemon that sends me emails every 5 minutes when ERROR level logs happen, and I hit a wall of these over the course of a single 5 minute window.

Now that bad news: This happens to me probably once every two-to-three weeks. I'm not sure why, but it's a spurious availability issue with the datastore we just see. It seems to be very brief when it does happen, but at enough load, it still generates a good number of errors.

[James Gilliam]

More and more, gae has one problem after another ...

Yesterday, images were disappearing

Today, having issues with memory cache

The only good news is eventually the problems go away

[Jon Stevens]

Yea, I wasn't trying to complain. After working on building cloudfoundry for the last 7 months, I've come to appreciate gae quite a bit. This paas shit is super hard. The level that gae operates is amazing. Keep up the good work gae team, many many people aspire to be as good as you are.

Jon

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[Barry Hunter]

The only good news is eventually the problems go away

Exactly, failure happens. But its not you running around frantically trying to fix it :p