sync_diff_inspector验证报错：failed to check data difference

🪐 TiDB 技术问题
1

【 TiDB 使用环境】生产环境
【 TiDB 版本】V5.4.0
【遇到的问题】
用sync_diff_inspector验证报错： [FATAL] [main.go:135] [“failed to check data difference”] [error=“analyze value (81951434315, 16748) failed”] [errorVerbose=“analyze value (81951434315, 16748) failed\ngithub.com/pingcap/tidb-tools/pkg/dbutil.AnalyzeValuesFromBuckets\ \t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb-tools/pkg/dbutil/common.go:547\ github.com/pingcap/tidb-tools/sync_diff_inspector/splitter.(*BucketIterator).produceChunks\ \t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb-tools/sync_diff_inspector/splitter/bucket.go:293\ runtime.goexit\ \t/usr/local/go/src/runtime/asm_amd64.s:1571”] [stack=“main.checkSyncState\ \t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb-tools/sync_diff_inspector/main.go:135\ main.main\ \t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb-tools/sync_diff_inspector/main.go:104\ runtime.main\ \t/usr/local/go/src/runtime/proc.go:250”]
[2022/09/17 02:30:57.119 +08:00] [INFO] [chunks_iter.go:148] [“Stop do produce chunks by context done”]

2
  1. 暂时未找到什么已知问题；
  2. 不过报错发生在这块，应该与要校验的数据类型及数据值有关。
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    image801×187 33.6 KB
  3. 目前也没有什么太好查的方法，可以尝试在数据里找找存了 81951434315, 16748 这 2 个值的字段尝试复现问题；
  4. 只有问题有稳定复现的模型，才能解。
3

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