See memcache.Client.

def set(self, key, val, time=0, min_compress_len=0):
        """See memcache.Client."""
        if not self.servers:
            return

        key = self._qualified_key(key)
        hashed_key = self.key_hasher(key)
        val = (key, val)

        self.client.set(key=hashed_key,
                        val=val,
                        time=time,
                        min_compress_len=min_compress_len)
        self.logger("SET: %s", key)