I have this funcion to cache things:
def cache(self, key, function, timeout=0):
logging.debug('looking for %s in the cache' % key)
data = memcache.get(key)
if data is not None:
logging.debug('%s is already in the cache' % key)
return data
else:
data = function.__call__()
logging.debug('inserting %s in the cache' % key)
memcache.add(key, data, timeout)
return data
An example of use:
items = self.cache('index_items', self.get_items)
def get_items(self):
items = model.Item.all().order('-creation_date').fetch(10)
With the SDK it works. But when uploading the application I just see
messages saying that nothing is in the cache. I never see "xxx is
already in the cache".
I have cached all the queries in my main page because it is 6000
megacycles of average CPU. But if the caching is not working I don't
know what I can do. I have also tried to cache chunks of HTML, but it
still doesn't cache anything. In the SDK I go to the memcache viewer
and I see the chunk of HTML cached if I put the key I use to store it
in the cache.
The debug messages says me that is not finding anything in the cache.
And also the chunks of HTML write a tiemstamp and in the development
environment (localhost) I see always the same timestamp until I call
to memecache.delete but on the appspot page I always see a different
timestamp so I'm sure it is caching nothing.
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