This is the nature of memcache; you're sharing it with all the other
users of appengine. Memory pressure will eventually push your
inactive values out of the cache.
Jeff
On Thu, May 27, 2010 at 1:17 PM, Rahul Juneja wrote:
> It looks like it is removing the least recently used attributes from the
> cache. My datastore only had 20 elements key/ value pairs and appengine is
> flushing some of the least recently used out of those and now only 14 are
> available in cache.
> Is there some attribute which i need to set so that i doesn't flush any
> attributes from my cache.
> Thanks,
> Rahul
> --
> Rahul Juneja
> http://techlabs.thoughtclicks.com
>
>
> On Thu, May 27, 2010 at 9:40 AM, Rahul wrote:
>>
>> Surprisingly, My cache has removed some elements from it overnite and
>> the number of elements left are few elements in the cache, is there
>> any specific reason you can think of.
>>
>> Its not completely empty now. Can this happen.
>>
>> Thanks,
>> Rahul
>>
>> On May 26, 10:27 pm, Rahul wrote:
>> > It looks like that i have received the following error and memcache
>> > was cleared around that time. What it looks like is memcache service
>> > was unavailable. This kind of answers my question i guess until and
>> > unless there is something else which i am missing.
>> >
>> > Just for the information this happened around 05-26 05:03PM 25.194
>> > time.
>> >
>> > com.google.appengine.api.memcache.LogAndContinueErrorHandler
>> > handleServiceError: Service error in memcache
>> > com.google.appengine.api.memcache.MemcacheServiceException: Memcache
>> > getStatistics: exception
>> > at
>> >
>> > com.google.appengine.api.memcache.MemcacheServiceImpl.makeSyncCall(Memcache
>> > ServiceImpl.java:
>> > 192)
>> > at
>> >
>> > com.google.appengine.api.memcache.MemcacheServiceImpl.getStatistics(Memcach
>> > eServiceImpl.java:
>> > 750)
>> > at
>> > com.thoughtclicks.filter.RedirectFilter.doFilter(RedirectFilter.java:
>> > 77)
>> > at org.mortbay.jetty.servlet.ServletHandler
>> > $CachedChain.doFilter(ServletHandler.java:1157)
>> > at
>> >
>> > com.google.apphosting.utils.servlet.ParseBlobUploadFilter.doFilter(ParseBlo
>> > bUploadFilter.java:
>> > 97)
>> > at org.mortbay.jetty.servlet.ServletHandler
>> > $CachedChain.doFilter(ServletHandler.java:1157)
>> >
>> > Caused by: com.google.apphosting.api.ApiProxy
>> > $CapabilityDisabledException: The API call memcache.Stats() is
>> > temporarily unavailable.
>> >
>> > On May 26, 9:43 pm, Rahul wrote:
>> >
>> >
>> >
>> > > I have a memcache and not to mention it does live between different
>> > > jvm instances when new jvm instances starts, i can access the cache
>> > > but once a while i don't find any values in cache and this happened
>> > > twice in last 24 hours. Is there any default expiration which is less
>> > > then 24-48 hours which i am not aware of.
>> >
>> > > Any help or pointers on this is appreciated.
>> >
>> > > Thanks,
>> > > Rahul
>>
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