hongyunyan

Results 18 issues of hongyunyan

### What problem does this PR solve? Issue Number: ref #35850 Problem Summary: 1. remove the code related to the ddl 'alter table xx set tiflash mode fast/normal'. 2. add...

size/XXL
release-note-none

### What did you do? run ut in ci ![image](https://github.com/pingcap/tiflow/assets/26538495/b988e23f-a856-4272-811b-0e6afee0f898) ### What did you expect to see? run test success ### What did you see instead? Failed many times and...

type/bug
severity/moderate
area/ticdc

### What problem does this PR solve? Issue Number: ref #10457 ### What is changed and how it works? ### Check List #### Tests - Unit test - Integration test...

needs-rebase
size/XL
release-note

# Enhancement This issue is used to keep track of all PRs aimed at improving the codebase of TiCDC. "Improving" in this context refers to adding comments for complex code,...

type/enhancement
area/ticdc

### First-time contributors' checklist - [ ] I've signed [**Contributor License Agreement**](https://cla-assistant.io/pingcap/docs) that's required for repo owners to accept my contribution. ### What is changed, added or deleted? (Required) ###...

translation/from-docs-cn
size/M
for-release
needs-1-more-lgtm
v8.0

### What problem does this PR solve? When we do dumpling in cloud env, root has no permissions to run the sql such as `select variable_value from tidb where variable_name...

first-time-contributor
size/L
do-not-merge/work-in-progress

### First-time contributors' checklist - [ ] I've signed [**Contributor License Agreement**](https://cla-assistant.io/pingcap/docs-cn) that's required for repo owners to accept my contribution. ### What is changed, added or deleted? (Required) ###...

translation/done
size/M
for-release
needs-1-more-lgtm
v8.0

### First-time contributors' checklist - [ ] I've signed [**Contributor License Agreement**](https://cla-assistant.io/pingcap/docs-cn) that's required for repo owners to accept my contribution. ### What is changed, added or deleted? (Required) ###...

translation/done
size/L
needs-1-more-lgtm
v8.0
ok-to-test

To handle compatibility issues from BR and TiCDC, we need to support the Batch Create DDL.

component/puller
type/enhancement
area/ticdc

### What did you do? Add sysbench workload in a cluster with lots of jxx tables, which leading to some create table ddls. ### What did you expect to see?...

type/bug
severity/major
area/ticdc
may-affects-5.4
may-affects-6.1
may-affects-6.5
may-affects-7.1
may-affects-7.5
affects-8.1