为提高效率，提问时请提供以下信息，问题描述清晰可优先响应。
- 【TiDB 版本】：3.0.8
- 【问题描述】：
[2020/03/04 09:58:43.879 +08:00] [ERROR] [lightning.go:197] [“load data source failed”] [takeTime=126.575µs] [error=“invalid data file, miss host table - /data/mydumper/test.t_test.csv”]
[2020/03/04 09:58:43.879 +08:00] [ERROR] [main.go:59] [“tidb lightning encountered error”] [error=“invalid data file, miss host table - /data/mydumper/test.t_test.csv”] [errorVerbose=“invalid data file, miss host table - /data/mydumper/test.t_test.csv
github.com/pingcap/tidb-lightning/lightning/mydump.(*mdLoaderSetup).setup
\t/home/jenkins/agent/workspace/release_tidb_3.0/go/src/github.com/pingcap/tidb-lightning/lightning/mydump/loader.go:202
github.com/pingcap/tidb-lightning/lightning/mydump.NewMyDumpLoader
\t/home/jenkins/agent/workspace/release_tidb_3.0/go/src/github.com/pingcap/tidb-lightning/lightning/mydump/loader.go:105
github.com/pingcap/tidb-lightning/lightning.(*Lightning).run
\t/home/jenkins/agent/workspace/release_tidb_3.0/go/src/github.com/pingcap/tidb-lightning/lightning/lightning.go:196
github.com/pingcap/tidb-lightning/lightning.(*Lightning).RunOnce
\t/home/jenkins/agent/workspace/release_tidb_3.0/go/src/github.com/pingcap/tidb-lightning/lightning/lightning.go:138
main.main
\t/home/jenkins/agent/workspace/release_tidb_3.0/go/src/github.com/pingcap/tidb-lightning/cmd/tidb-lightning/main.go:56
runtime.main
\t/usr/local/go/src/runtime/proc.go:200
runtime.goexit
\t/usr/local/go/src/runtime/asm_amd64.s:1337”]
t_test.csv (142 字节) t_test.sql (928 字节) tidb-lightning.toml (1.3 KB)
