Records of major events and issues of the project in 2021;

2021-03-01
The mq of the platform group has repeated consumption, resulting in multiple consumptions of hundreds of thousands of bills, multiple recharges and write-offs;
reason: there is a problem with the platform group mq, and the application that consumes mq messages does not send messages The idempotence of msgid;
2021-03-04
someone quietly ran batch data during the day, but SQL did not add shards and did not add indexes. Slow SQL caused resource exhaustion, resulting in a chain reaction. One of the containers was over-stressed and repeatedly self-destructed and restarted. , The response of each module is slow, the interface is timed out, and the page reports errors;