Lily2025

qps continued to drop to zero during one of tikv io hang

9

## Bug Report ### What version of TiKV are you using? ./tikv-server -V TiKV Release Version: 8.3.0-alpha Edition: Community Git Commit Hash: 7c509085cbe59c82b51c853abf230cd7f188b5a0 Git Commit Branch: heads/refs/tags/v8.3.0-alpha UTC Build Time:...

tikv stability: qps drop 67% when one of tiflash recovers from failure due to high cpu of raftstore

2

## Bug Report ### What version of TiKV are you using? ./tikv-server -V TiKV Release Version: 8.2.0-alpha Edition: Community Git Commit Hash: 0b97a39d520afcd82a02d0f5c0966d6ccab2cd74 Git Commit Branch: heads/refs/tags/v8.2.0-alpha UTC Build Time:...

qps drop more than 2 mins and also affect pitr and cdc lag when injection pd leader io delay 500ms or 1s or io hang due to a circuit breaker mechanism which is by design

1

## Bug Report ### What did you do? 1、run tpcc 2、inject pd leader io delay 500ms ### What did you expect to see? qps can recover within 2mins ### What...

tidb oom during adding index after injection ddl owner network partition

1

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) 1、enable tidb_enable_dist_task and global sort 2、run sysbench 3、add index for two tables...

add index is slowly compared to last version after upgrade rocksdb

2

## Bug Report ### What version of TiKV are you using? ./tikv-server -V TiKV Release Version: 8.4.0 Edition: Community Git Commit Hash: 31aa015dbe96bc5bcd676d7e32450f0205ceb104 Git Commit Branch: HEAD UTC Build Time:...

tikv oom when using tiup on `rocky-8.9` for deployment

3

## Bug Report ### What version of TiKV are you using? TiKV Release Version: 8.4.0 Edition: Community Git Commit Hash: fa6e1753c2c4916ae5918281db3d863ec47ce322 Git Commit Branch: HEAD UTC Build Time: 2024-10-10 06:42:18...

secondary cluster cdc panic

1

### What did you do? 1、restore data for primary and secondary 2、create changefeed and set bdr role for primary and secondary 3、run sysbench on primary and secondary 4、add index and...

cdc owner stuck after injection downstream failure 3 mins and recover

2

### What did you do? 1、run workload storage:"s3://benchmark/sysbench_64_7000w" subType:"oltp_read_write" db:"sysbench_64_7000w" tableNum:64 tableSize:70000000 threads:32 ignoreErrors:"2013,1213,1105,1205,8022,8028,9004,9007,1062" 2、 injection downstream failure 3 mins and recover   ### What did you expect to...

ticdc restart after network partition recover from one of ticdc

6

### What did you do? 1、run workload storage:"s3://benchmark/sysbench_64_7000w" subType:"oltp_read_write" db:"sysbench_64_7000w" tableNum:64 tableSize:70000000 threads:32 ignoreErrors:"2013,1213,1105,1205,8022,8028,9004,9007,1062" 2、inject network partition between one of ticdc and other pods ### What did you expect to...

add index can not sync to downstream after simulate network partition between upstream and downstream

4

### What did you do? 1、restore data for primary and secondary 2、create changefeed and set bdr role for primary and secondary 3、run sysbench on primary and secondary 4、add index a...