This is a time-delayed data replication system, so we reached for a natural data structure: modeling the offloads as a write-ahead log (WAL) of our supertoast table. The idea was that we'd have a job constantly running which would pop rows off the WAL which met some age criterion, send the payloads to S3, and then update the source record with the key we'd just written.
Expected errors are recoverable. This might mean logging a warning, showing a message to the user, or using a fallback.。同城约会对此有专业解读
，更多细节参见PDF资料
https://feedx.net。快连官网对此有专业解读
（三）违反国家规定，对计算机信息系统中存储、处理、传输的数据和应用程序进行删除、修改、增加的；