Thanks for the update. I'm glad it fixed itself. It's another little thing to remember about GAE and how it works.
On Mon, Dec 13, 2010 at 6:51 AM, crllvnc <[email protected]> wrote: > Hi Stephen, > > You were right! After a while (maybe 20/30 hours), the datastore > viewer became available again. > > Best regards, > cyrille > > On 10 déc, 16:15, Stephen Johnson <[email protected]> wrote: > > Are you still having this issue? I'm curious to learn if this has cleared > up > > because here's a random guess. When entities are deleted they are just > > marked as deleted and then later garbage collected, so perhaps the > datastore > > viewer has a very low timeout set and it is starting with the beginning > of > > the key index and having to scan millions of those deleted entities and > is > > timing out before it finds enough results. Your own queries might be > working > > because they are using a different index than the key index and have the > > full default timeout period and are finding the entities to satisfy your > > queries. Has this magically cleared up for you. If so, it might be > because > > the garbage collection mechanism has removed those deleted entities. > Anyway > > it is just a guess and I'm curious if this is the case because it might > be > > that people may want to run slower delete jobs so as not to impact their > > performance. > > > > > > > > On Thu, Dec 9, 2010 at 2:07 AM, Cyrille Vincey <[email protected]> > wrote: > > > My problem: > > > 1. I execute a massive delete over a large number of entities (30 > million), > > > using a mapreduce-based job similar to Ikai's one (*) > > > 2. Then both the datastore viewer and the datastore statistics in the > > > dashboard become unavailable: I get this famous "the server encountered > an > > > error (blahblah)" page. > > > > > Yet, servlet-based queries against the datastore are ok, and the > datastore > > > indexes viewer do not show any error. > > > Any clue ? > > > > > (*) > > >http://ikaisays.com/2010/07/09/using-the-java-mapper-framework-for-ap. > .. > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To post to this group, send email to > [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-appengine-java%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
