tidb v5.1.1
br备份时发生一些region miss警告，想知道原因。
root@scq-db10 tidb]# grep err backupfull.log
[2021/10/04 01:12:27.142 +08:00] [INFO] [worker.go:63] [“table checksum start”] [db=prov_exch_db] [table=prov_serv_matterr_x]
[2021/10/04 01:12:27.165 +08:00] [INFO] [worker.go:63] [“table checksum finished”] [db=prov_exch_db] [table=prov_serv_matt_err_x] [Crc64Xor=0] [TotalKvs=0] [TotalBytes=0] [take=22.988419ms]
[2021/10/04 01:12:32.134 +08:00] [INFO] [worker.go:63] [“table checksum start”] [db=bcpweb_flyway_imp_db] [table=gf_bcperror]
[2021/10/04 01:12:32.252 +08:00] [INFO] [worker.go:63] [“table checksum finished”] [db=bcpweb_flyway_imp_db] [table=gf_bcp_error] [Crc64Xor=15929516909362997535] [TotalKvs=318] [TotalBytes=170476] [take=117.994771ms]
[2021/10/04 01:54:13.815 +08:00] [INFO] [validate.go:76] [“checksum success”] [db=prov_exch_db] [table=prov_serv_matt_err_x]
[2021/10/04 01:54:14.179 +08:00] [INFO] [validate.go:76] [“checksum success”] [db=bcpweb_flyway_imp_db] [table=gf_bcp_error]
[2021/10/11 00:20:27.665 +08:00] [WARN] [push.go:157] [“backup occur region error”] [error="{“RegionError”:{“message”:“region 1709022 is missing”,“region_not_found”:{“region_id”:1709022}}}"]
[2021/10/11 00:21:21.528 +08:00] [WARN] [push.go:157] [“backup occur region error”] [error="{“RegionError”:{“message”:“EpochNotMatch current epoch of region 1835232 is conf_ver: 10351 version: 7348, but you sent conf_ver: 10351 version: 7347”,“epoch_not_match”:{“current_regions”:[{“id”:1835232,“start_key”:“dIAAAAAAAE7/Al9ygAAAAAH/FBetAAAAAAD6”,“end_key”:“dIAAAAAAAE7/Al9ygAAAAAH/GbaBAAAAAAD6”,“region_epoch”:{“conf_ver”:10351,“version”:7348},“peers”:[{“id”:1835233,“store_id”:628097,“role”:1},{“id”:1835234,“store_id”:628098,“role”:1},{“id”:1835235,“store_id”:14},{“id”:1835236,“store_id”:5},{“id”:1835237,“store_id”:16}]},{“id”:1856567,“start_key”:“dIAAAAAAAE7/Al9ygAAAAAH/DnkRAAAAAAD6”,“end_key”:“dIAAAAAAAE7/Al9ygAAAAAH/FBetAAAAAAD6”,“region_epoch”:{“conf_ver”:10351,“version”:7348},“peers”:[{“id”:1856568,“store_id”:628097,“role”:1},{“id”:1856569,“store_id”:628098,“role”:1},{“id”:1856570,“store_id”:14},{“id”:1856571,“store_id”:5},{“id”:1856572,“store_id”:16}]}]}}}"]
[2021/10/11 01:28:04.169 +08:00] [INFO] [worker.go:63] [“table checksum start”] [db=prov_exch_db] [table=prov_serv_matterr_x]
[2021/10/11 01:28:04.170 +08:00] [INFO] [worker.go:63] [“table checksum finished”] [db=prov_exch_db] [table=prov_serv_matt_err_x] [Crc64Xor=0] [TotalKvs=0] [TotalBytes=0] [take=1.12621ms]
[2021/10/11 01:28:07.677 +08:00] [INFO] [worker.go:63] [“table checksum start”] [db=bcpweb_flyway_imp_db] [table=gf_bcperror]
[2021/10/11 01:28:07.695 +08:00] [INFO] [worker.go:63] [“table checksum finished”] [db=bcpweb_flyway_imp_db] [table=gf_bcp_error] [Crc64Xor=15497255404335547010] [TotalKvs=392] [TotalBytes=231876] [take=18.366061ms]
[2021/10/11 02:10:44.548 +08:00] [INFO] [validate.go:76] [“checksum success”] [db=prov_exch_db] [table=prov_serv_matt_err_x]
[2021/10/11 02:10:44.916 +08:00] [INFO] [validate.go:76] [“checksum success”] [db=bcpweb_flyway_imp_db] [table=gf_bcp_error]
[2021/10/18 01:32:11.690 +08:00] [INFO] [worker.go:63] [“table checksum start”] [db=bcpweb_flyway_imp_db] [table=gf_bcperror]
[2021/10/18 01:32:11.817 +08:00] [INFO] [worker.go:63] [“table checksum finished”] [db=bcpweb_flyway_imp_db] [table=gf_bcp_error] [Crc64Xor=6277445119235635953] [TotalKvs=1484] [TotalBytes=1105483] [take=126.946922ms]
[2021/10/18 01:32:15.468 +08:00] [INFO] [worker.go:63] [“table checksum start”] [db=prov_exch_db] [table=prov_serv_matterr_x]
[2021/10/18 01:32:15.469 +08:00] [INFO] [worker.go:63] [“table checksum finished”] [db=prov_exch_db] [table=prov_serv_matt_err_x] [Crc64Xor=0] [TotalKvs=0] [TotalBytes=0] [take=938.885µs]
[2021/10/18 02:16:02.815 +08:00] [INFO] [validate.go:76] [“checksum success”] [db=bcpweb_flyway_imp_db] [table=gf_bcp_error]
[2021/10/18 02:16:02.818 +08:00] [INFO] [validate.go:76] [“checksum success”] [db=prov_exch_db] [table=prov_serv_matt_err_x]