Beginner's Question About ttlManager Living Up to Its Lifetime

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

Original topic: 初学者提问关于ttlManager live up to its lifetime

| username: TiDBer_OzwiOwPc

Search the txn number in the logs. This transaction has already indicated a lock wait timeout, and it should have already reported an error to the client, right?
Why does the transaction only end after a 1-hour timeout? I don’t understand. Can any expert explain or provide a document?

| username: dba远航 | Original post link

Are you referring to the impact of this setting?