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Add lightning faq #3176

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May 21, 2020
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Add lightning faq #3176

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Add Lightning troubleshooting
3pointer May 20, 2020
85b660b
Apply suggestions from code review
TomShawn May 21, 2020
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Merge branch 'docs-special-week' into use_dumpling_lightning
sre-bot May 21, 2020
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8 changes: 8 additions & 0 deletions troubleshoot-tidb-lightning.md
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Expand Up @@ -133,3 +133,11 @@ tidb-lightning-ctl --config conf/tidb-lightning.toml --checkpoint-error-destroy=
3. 确保整个集群使用的是同一最新版本的 `tzdata` (2018i 或更高版本)。

如果你使用的是 CentOS 机器，你可以运行 `yum info tzdata` 命令查看 `tzdata` 的版本及是否有更新。然后运行 `yum upgrade tzdata` 命令升级 `tzdata`。

## `[Error 8025: entry too large, the max entry size is 6291456]`

**原因**：TiDB Lightning 生成的单行 KV 超过了 TiDB 的限制。

**解决办法**:

目前无法绕过 TiDB 的限制，只能忽略这张表，确保其它表顺利导入。