In 2020, the threshold for entry-level cloud services has been raised, starting from one core and 2g1m, and the memory has been increased compared with the one core and 1g1m in 2019. Just like the mobile phone's memory has been upgraded from 64g to 128g/256g/512g, the software has to be upgraded constantly. Take Alibaba Cloud and Tencent Cloud for example, the servers configured with one core and 2g1m are very
