How to Handle Missing Leader

translator_bot · June 23, 2024, 4:09am

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

Original topic: missing leader如何处理

| username: h5n1

[Version] 5.2.3 arm
[Issue]
TiKV log reports:

[2022/09/10 22:03:53.051 +08:00] [WARN] [peer.rs:4082] ["leader missing longer than max_leader_missing_duration. To check with pd and other peers whether it's still valid"] [expect=2h] [**peer_id=1672003177] [region_id=1659059842]

How should these missing leaders be handled?

$ pd-ctl region 1659059842
{
“id”: 1659059842,
“start_key”: “748000000000007EFFB95F728000000026FF07F87D0000000000FA”,
“end_key”: “748000000000007EFFB95F728000000026FF093D7B0000000000FA”,
“epoch”: {
“conf_ver”: 72629,
“version”: 127640
},
“peers”: [
{
“id”: 1659059843,
“store_id”: 2,
“role_name”: “Voter”
},
{
“id”: 1659059844,
“store_id”: 1561469454,
“role_name”: “Voter”
},
{
“id”: 1659059845,
“store_id”: 11107291,
“role_name”: “Voter”
}
],
“leader”: {
“id”: 1659059844,
“store_id”: 1561469454,
“role_name”: “Voter”
},
“written_bytes”: 1523,
“read_bytes”: 0,
“written_keys”: 2,
“read_keys”: 0,
“approximate_size”: 3,
“approximate_keys”: 81920
}