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lightning: checksum encountered “GC life time is shorter than transaction duration” error #32733

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@sleepymole

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Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

Use Lightning to import about 5T data.

2. What did you expect to see? (Required)

Data was imported successfully.

3. What did you see instead (Required)

checksum encountered “GC life time is shorter than transaction duration” error.

[2022/02/25 21:01:06.846 +00:00] [ERROR] [lightning.go:219] ["tidb lightning encountered error"] [error="[tikv:9006]GC life time is shorter than transaction duration, transaction starts at 2022-02-25 20:44:20.986 +0000 UTC, GC safe point is 2022-02-25 20:44:21 +0000 UTC"] [errorVerbose="[tikv:9006]GC life time is shorter than transaction duration, transaction starts at 2022-02-25 20:44:20.986 +0000 UTC, GC safe point is 2022-02-25 20:44:21 +0000 UTC

4. What is your TiDB-Lightning version? (Required)

v5.3.0

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affects-5.2This bug affects 5.2.x versions.affects-5.3This bug affects 5.3.x versions.affects-5.4This bug affects the 5.4.x(LTS) versions.component/lightningThis issue is related to Lightning of TiDB.severity/majortype/bugThe issue is confirmed as a bug.

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