Fair enough. At least you got a memcache exception :) In our case performance just deteriorated and eventually it timed out.
On 26 October 2011 00:17, jon <[email protected]> wrote: > Thanks James for pointing them out. They're not entirely identical in > that the symptom is different (i.e. the exception I got is different). > However there's a common pattern whereby an app seems to be assigned a > memcache "service provider" and if this provider misbehaves the app > will be stuck with it instead of getting reassigned a new, healthy > replacement. > > On Oct 25, 11:26 pm, James Broberg <[email protected]> wrote: >> Sounds familiar: >> >> http://code.google.com/p/googleappengine/issues/detail?id=5790http://code.google.com/p/googleappengine/issues/detail?id=6167 >> >> On 25 October 2011 20:16, jon <[email protected]> wrote: >> >> >> >> >> >> >> >> > Memcache for our app is back now. >> >> > According to the log, memcache write operations started throwing >> > com.google.appengine.api.memcache.MemcacheServiceException at 17:49 >> > (Melbourne >> > time) and stopped at 18:56. In other words memcache was unavailable >> > for over 1 >> > hour. >> >> > We use memcache heavily, so our site would've been down for that long >> > if we >> > hadn't stepped in to turn off all uses of memcache. >> >> > Question for Google: is there an affinity between an app and it's >> > memcache >> > service provider? How can memcache consistently error out for the same >> > application for that long? >> >> > On Oct 25, 6:29 pm, jon <[email protected]> wrote: >> >> Hi, >> >> >> Writing to memcache is down for one of our apps, other apps are OK. >> >> >> The error message says: >> >> java.lang.RuntimeException: >> >> com.google.appengine.api.memcache.MemcacheServiceException: Memcache >> >> put: Set failed to set 20 keys >> >> >> The affected app id: thecrowdvoice >> >> >> Could someone from Google urgently take a look please? >> >> >> Thanks in advance, >> >> Jon >> >> > -- >> > You received this message because you are subscribed to the Google Groups >> > "Google App Engine" 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 >> > athttp://groups.google.com/group/google-appengine?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" 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?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" 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?hl=en.
