How did you fix/get around this problem? It was pointed out to me that the MemcacheService by default should *NOT* throw any exception, therefore what I was seeing is a bug.
Can anyone from Google confirm if this is the case? I'm using 1.5.4. On Oct 26, 9:32 am, James Broberg <[email protected]> wrote: > 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://... > > >> 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 > > 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.
