I am getting this error on calls to Memcache, a lot.
Logs show that this happens only 1 second into the start of the HTTP
request to GAE Standard Env , so it's not a timeout.
Also, calls to Memcache are not too frequent.
What is causing this?
The API call memcache.Set() was cancelled because the thread was
interrupted while waiting for concurrent API calls.
com.google.apphosting.api.ApiProxy$CancelledException: The API call
memcache.Set() was cancelled because the thread was interrupted while
waiting for concurrent API calls. at
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