Hi,

I wrote a simple app in Java to measure the performance of Memcache.
For Memcache Service, the maximum size of a cached value is indicated
as 1MB in 
http://code.google.com/appengine/docs/java/memcache/overview.html#Quotas_and_Limits.

But when I try to put a byte array with 2^20 elements, it gives me
this exception:
com.google.appengine.api.memcache.stdimpl.GCacheException: Policy
prevented put operation

To make it work I had to take out 50 bytes; in that case I could run
it in my local app server. However it still doesn't work for some keys
when I deploy it to GAE.

For example if I use String key = "1"; it works
but if I use int key = 1; it doesn't work and gives me this exception:
com.google.appengine.api.memcache.MemcacheServiceException: Memcache
put: Error setting single item (1)

I am assuming there is a connection between the key and the limit. But
I couldn't figure it out. Is there anything that I might be missing?

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