Results 5 issues of Renee Lu

### What did you do? 1. Set the syncpoint interval to 5 minutes, and complete the creation of changefeeds for three clusters at 12:32:30 2. Primary cluster: tidb_cdc.syncpoint_v1 was created...

type/bug
severity/major
area/ticdc
affects-6.5
affects-7.1
affects-7.5
affects-8.1
affects-8.2

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) ``` CREATE TABLE `lrr_test` ( `COL102` double DEFAULT NULL, `COL1` double GENERATED...

type/bug
sig/planner
severity/critical
may-affects-5.4
may-affects-6.1
may-affects-6.5
may-affects-7.1
may-affects-7.5
may-affects-8.1
impact/wrong-result
affects-8.4

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) When there were a large number of DDL jobs and parameter `with-mock-upgrade`,...

type/bug
severity/major
may-affects-5.4
may-affects-6.1
may-affects-6.5
may-affects-7.1
component/ddl
may-affects-7.5
may-affects-8.1
affects-8.4

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) ``` CREATE TABLE `PK_MULTI_COL_4820` ( `COL1` binary(10) NOT NULL, `COL2` char(1) NOT...

type/bug
component/parser
sig/sql-infra
severity/minor

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) 1. start pitr with table filter 2. inject tikv pod failure 10min....

type/bug
severity/major
feature/developing
component/ddl
affects-8.5