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[pingcap/tidb#46609] support s3 profile for dumpling #20902

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[pingcap/tidb#46609] support s3 profile for dumpling #20902

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10 changes: 8 additions & 2 deletions dumpling-overview.md
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Expand Up @@ -209,14 +209,20 @@ export AWS_ACCESS_KEY_ID=${AccessKey}
export AWS_SECRET_ACCESS_KEY=${SecretKey}
```

Dumpling 同时还支持从 `~/.aws/credentials` 读取凭证文件。更多参数描述，请参考[外部存储服务的 URI 格式](/external-storage-uri.md)。
Dumpling 同时还支持从 `~/.aws/credentials` 读取凭证文件并使用 AWS profile 进行认证。更多参数描述，请参考[外部存储服务的 URI 格式](/external-storage-uri.md)。

{{< copyable "shell-regular" >}}
使用 `~/.aws/credentials` 中的默认凭证：

```shell
tiup dumpling -u root -P 4000 -h 127.0.0.1 -r 200000 -o "s3://${Bucket}/${Folder}"
```

使用指定的 AWS profile：

```shell
tiup dumpling -u root -P 4000 -h 127.0.0.1 -r 200000 -o "s3://${Bucket}/${Folder}" --s3.profile=my.profile
```

### 筛选导出的数据

#### 使用 `--where` 选项筛选数据
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