br备份成功，恢复过程中日志有ERROR如下，是否影响数据？

🪐 TiDB 技术问题 备份&数据迁移
1

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  • 【TiDB 版本】：v4.0.0
  • 【问题描述】：br 备份成功，但是恢复日志有错误，恢复没有中断

错误内容：
[2020/08/18 18:02:46.313 +08:00] [WARN] [split.go:190] [“get operator”] [regionID=5134] [resp="header:<cluster_id:6862260443781240218 > region_id:5134 desc:“scatter-region” kind:“leader,region” “]
[2020/08/18 18:02:46.324 +08:00] [INFO] [split.go:157] [“waiting for scattering regions done”] [regions=128] [take=7.63576317s]
[2020/08/18 18:02:53.549 +08:00] [ERROR] [import.go:255] [“download file skipped”] [file=“name:“7128698_309905_4567_b1c7a0fe2b9f4fd0a19e9d76de19716cd51f9bb86d6e3d11affd314d9fb671de_write.sst” sha256:”\322>\377\255’6\027?\326k\277[WF\340\030\243(\030\211P\214K\377BT\321\243k&\263^” start_key:“t\200\000\000\000\000\000\216\313_r\200\000\000\000\000\343\242\275” end_key:“t\200\000\000\000\000\000\216\313_r\377\377\377\377\377\377\377\377\000” end_version:418802987546968069 crc64xor:16058541434378569095 total_kvs:827867 total_bytes:70510191 cf:“write” size:48424223 "] [region="id:2378 start_key:“t\200\000\000\000\000\000\001\377\255_r\377\377\377\377\377\377\377\377\377\000\000\000\000\000\372” end_key:“t\200\000\000\000\000\000\001\377\260\000\000\000\000\000\000\000\370” region_epoch:<conf_ver:20 version:842 > peers:<id:4305 store_id:3 > peers:<id:4304 store_id:5 >peers:<id:4306 store_id:7 > "] [startKey=dIAAAAAAAAH/rV9ygAAAAAD/46K9AAAAAAD6] [endKey=dIAAAAAAAAH/rV9y////////////AAAAAAD7] [error=“range is empty”] [stack=“github.com/pingcap/log.Error\ \t/go/pkg/mod/github.com/pingcap/log@v0.0.0-20200117041106-d28c14d3b1cd/global.go:42\ github.com/pingcap/br/pkg/restore.(*FileImporter).Import.func1\ \t/home/jenkins/agent/workspace/build_br_multi_branch_v4.0.0/go/src/github.com/pingcap/br/pkg/restore/import.go:255\ngithub.com/pingcap/br/pkg/utils.WithRetry\ \t/home/jenkins/agent/workspace/build_br_multi_branch_v4.0.0/go/src/github.com/pingcap/br/pkg/utils/retry.go:34\ github.com/pingcap/br/pkg/restore.(*FileImporter).Import\ \t/home/jenkins/agent/workspace/build_br_multi_branch_v4.0.0/go/src/github.com/pingcap/br/pkg/restore/import.go:208\ngithub.com/pingcap/br/pkg/restore.(*Client).RestoreFiles.func2\ \t/home/jenkins/agent/workspace/build_br_multi_branch_v4.0.0/go/src/github.com/pingcap/br/pkg/restore/client.go:493\ngithub.com/pingcap/br/pkg/utils.(WorkerPool).Apply.func1\ \t/home/jenkins/agent/workspace/build_br_multi_branch_v4.0.0/go/src/github.com/pingcap/br/pkg/utils/worker.go:47"]
[2020/08/18 18:02:56.900 +08:00] [INFO] [client.go:467] [“Restore Files”] [files=230] [take=10.576103255s]
[2020/08/18 18:02:57.044 +08:00] [INFO] [split.go:145] [“start to wait for scattering regions”] [regions=128] [take=143.942235ms]
[2020/08/18 18:02:58.546 +08:00] [WARN] [split.go:190] [“get operator”] [regionID=5479] [resp="header:<cluster_id:6862260443781240218 > region_id:5479 desc:“scatter-region” status:RUNNING kind:“leader,region” "]
[2020/08/18 18:02:59.547 +08:00] [WARN] [split.go:190] [“get operator”] [regionID=5479] [resp="header:<cluster_id:6862260443781240218 > region_id:5479 desc:“scatter-region” kind:“leader,region” "]
[2020/08/18 18:03:01.757 +08:00] [WARN] [split.go:190] [“get operator”] [regionID=5591] [resp="header:<cluster_id:6862260443781240218 > region_id:5591 desc:“scatter-region” status:RUNNING kind:“leader,region” "]
[2020/08/18 18:03:02.757 +08:00] [WARN] [split.go:190] [“get operator”] [regionID=5591] [resp="header:<cluster_id:6862260443781240218 > region_id:5591 desc:“scatter-region” kind:“leader,region” "]
[2020/08/18 18:03:02.779 +08:00] [INFO] [split.go:157] [“waiting for scattering regions done”] [regions=128] [take=5.734571304s]
[2020/08/18 18:03:24.500 +08:00] [ERROR] [import.go:255] [“download file skipped”] [file=“name:“7128692_309909_4561_3615d72225048701caacc2047b36d47ba9123850f046dd8e8719e6208a40f608_write.sst” sha256:”\266\306-\237\263{\367~~8\307\233\204\002\363\036N\244h\253\234\233\006\254\2351k\313\177\232l” start_key:“t\200\000\000\000\000\000\216\315_r\200\000\000\000\000\242\277\020” end_key:“t\200\000\000\000\000\000\216\315_r\377\377\377\377\377\377\377\377\000” end_version:418802987546968069 crc64xor:1278611757928593018 total_kvs:331681 total_bytes:31215605 cf:“write” size:19177072 "] [region="id:2438 start_key:“t\200\000\000\000\000\000\001\377\274_r\377\377\377\377\377\377\377\377\377\000\000\000\000\000\372” end_key:“t\200\000\000\000\000\000\001\377\277\000\000\000\000\000\000\000\370” region_epoch:<conf_ver:14 version:833 > peers:<id:2440 store_id:6 > peers:<id:2441 store_id:16 > peers:<id:4337 store_id:28 > "] [startKey=dIAAAAAAAAH/vF9ygAAAAAD/or8QAAAAAAD6] [endKey=dIAAAAAAAAH/vF9y////////////AAAAAAD7] [error=“range is empty”] [stack=“github.com/pingcap/log.Error\ \t/go/pkg/mod/github.com/pingcap/log@v0.0.0-20200117041106-d28c14d3b1cd/global.go:42\ github.com/pingcap/br/pkg/restore.(*FileImporter).Import.func1\ \t/home/jenkins/agent/workspace/build_br_multi_branch_v4.0.0/go/src/github.com/pingcap/br/pkg/restore/import.go:255\ngithub.com/pingcap/br/pkg/utils.WithRetry\ \t/home/jenkins/agent/workspace/build_br_multi_branch_v4.0.0/go/src/github.com/pingcap/br/pkg/utils/retry.go:34\ github.com/pingcap/br/pkg/restore.(*FileImporter).Import\ \t/home/jenkins/agent/workspace/build_br_multi_branch_v4.0.0/go/src/github.com/pingcap/br/pkg/restore/import.go:208\ngithub.com/pingcap/br/pkg/restore.(*Client).RestoreFiles.func2\ \t/home/jenkins/agent/workspace/build_br_multi_branch_v4.0.0/go/src/github.com/pingcap/br/pkg/restore/client.go:493\ngithub.com/pingcap/br/pkg/utils.(*WorkerPool).Apply.func1\ \t/home/jenkins/agent/workspace/build_br_multi_branch_v4.0.0/go/src/github.com/pingcap/br/pkg/utils/worker.go:47”]
[2020/08/18 18:03:28.284 +08:00] [INFO] [client.go:467] [“Restore Files”] [files=158] [take=25.50482883s]

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2
  1. 看起来是 region 为空，跳过了，这个我们明天确认下，答复您。
  2. 请问恢复后数据都正常吗？
3

恢复结果显示是成功的,checksum也是通过的,但是日志存在ERROR让人不确定是否是正常的

4

您好，可以忽略，之后的版本，这个报错会改为 warn，多谢。