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Cloud Object Storage
Tool Overview
Last updated: 2024-01-06 16:15:35
Tool Overview
Last updated: 2024-01-06 16:15:35
Tool
Features
This tool makes it easy for users to perform data upload/download, access link generation, and other operations in a visualized manner.
COS provides the command-line client COSCLI to allow you to upload, download, delete, and perform other operations on COS objects by using simple commands.
Enables users to perform operations (such as upload, download, and delete) in batches with simple commands.
This tool is used to migrate data from multiple data sources (such as on-premises server, and other cloud storage services) to COS.
Enables users to upload/download files to/from COS by using an FTP client.
In Linux, this tool is used to mount buckets to a local file system and to perform operations on objects in COS via the local file system.
Helps integrate COS with big data computing frameworks such as Hadoop, Spark, and Tez, so that they can read and write COS data.
COSDistCp is a MapReduce-based distributed file copy tool mainly used for data copy between HDFS and COS.
Verifies the directory integrity after you use the hadoop distcp command to migrate data from HDFS to COS.
Copies data from HDFS to COS.
COS's web-based diagnostic tool that allows you to troubleshoot error requests.

Upload Capabilities

The upload capabilities of different tools are detailed as below:
Tool
Simple Upload
Multipart Upload
Checkpoint Restart
Advanced Upload
Consistency Check
Pre-Signed URL Generation
COSBrowser
Supported
Supported
Supported
Supported. By default, multipart upload will be triggered for files of 8 MB or above.
Supported for MD5 check
Supported for file download
COSCLI
Supported
Supported
Supported
Supported. The trigger threshold for multipart upload can be customized.
Supported for CRC64 check
Supported
COSCMD
Supported
Supported
Supported
Supported. By default, multipart upload will be triggered for files of 10 MB or above.
Supported for MD5 check
Supported
COS Migration
Supported
Supported
Supported
Supported. The trigger threshold for multipart upload can be customized.
Supported for MD5 check
N/A
FTP Server
Supported
Supported
Supported
Supported. The trigger threshold for multipart upload can be customized.
Not supported
N/A
COSFS
Supported
Supported
Supported
Supported. The trigger threshold for multipart upload can be customized.
Supported for MD5 check
N/A
Hadoop
Supported
Supported
Not supported. There is an HDFS protocol conflict.
Supported. The trigger threshold for multipart upload can be customized.
Supported for CRC64 or CRC32 check
N/A
COSDistCp
Supported
Supported
Not supported. There is an HDFS protocol conflict.
Supported. The trigger threshold for multipart upload can be customized.
Supported for file size, CRC64, or CRC32 check
N/A
HDFS TO COS
Supported
Supported
Not supported. There is an HDFS protocol conflict.
Supported. The trigger threshold for multipart upload can be customized.
Supported for file name or size check
N/A

Note:
Advanced upload encapsulates simple upload and multipart upload and can intelligently select the upload method based on file size.

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