Cannot stop ticdc task, TSO is stuck, backend logs report etcd client outCh blocking too long, the etcdWorker may be stuck

Note:
This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: ticdc 任务停不了,tso一直卡住不动,后台日志报etcd client outCh blocking too long, the etcdWorker may be stuck

| username: LKLK

TIDB ticdc synchronization is stuck, and the logs keep showing “etcd client outCh blocking too long, the etcdWorker may be stuck.”

I want to delete the task by sending tiup cdc cli changefeed remove --pd=http:// --changefeed-id ticdc-ad-marketing-data1-replication-task, but the task status still shows as normal. It’s strange, and the command is also ineffective. Help!

| username: WalterWj | Original post link

It should be that the task was delayed for too long.

| username: LKLK | Original post link

I just manually created a new task, but it’s still stuck…

| username: WalterWj | Original post link

Looking at this error, it intuitively feels related to etcd. Could it be that ticdc is having some issues accessing the pd node?

| username: Fly-bird | Original post link

Cancel all tasks and recreate the tasks.

| username: ajin0514 | Original post link

Try retrying the task.

| username: 路在何chu | Original post link

Just remove and recreate it. When encountering large transactions or delays, it starts off very slow.