MaxCompute Tunnel is the data tunnel of MaxCompute. You can use Tunnel to upload data to or download data from MaxCompute. Tunnel only supports table data uploading and data downloading.
MaxCompute provides Data upload and download tools programmed based on the Tunnel SDK.
<dependency> <groupId>com.aliyun.odps</groupId> <artifactId>odps-sdk-core</artifactId> <version>0.24.0-public</version> </dependency>
This document describes the main interfaces of Tunnel SDK, which may vary with the SDK version.
|TableTunnel||The portal class interface to access the MaxCompute Tunnel service. You can access MaxCompute and its Tunnel using the Internet or intranet of Alibaba Cloud. When you download data with MaxCompute Tunnel using intranet of Alibaba Cloud, no traffic fee is incurred. The intranet address is only valid for cloud products in the Hangzhou region.|
|TableTunnel.UploadSession||Indicates a session used to upload data to a MaxCompute table.|
|TableTunnel.DownloadSession||Indicates a session used to download data from a MaxCompute table.|