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Single-URL Speed Limits

Last updated: 2022-05-11 12:10:08

    Overview

    This document describes how to limit the URL upload and download speeds.

    Single-URL Speed Limits

    Description

    The speed range is 819200 to 838860800 (in bit/s), that is, 100 KB/s to 100 MB/s. If a value is not within this range, 400 will be returned.

    Sample 1. Limiting single-URL speed on uploads

    # -*- coding=utf-8
    from qcloud_cos import CosConfig
    from qcloud_cos import CosS3Client
    import sys
    import logging
    # In most cases, set the log level to INFO. If you need to debug, you can set it to DEBUG and the SDK will print the communication information of the client.
    logging.basicConfig(level=logging.INFO, stream=sys.stdout)
    # 1. Set user attributes such as secret_id, secret_key, and region. Appid has been removed from CosConfig and thus needs to be specified in Bucket, which is formatted as BucketName-Appid.
    secret_id = 'SecretId'     # Replace it with the actual SecretId, which can be viewed and managed at https://console.tencentcloud.com/cam/capi
    secret_key = 'SecretKey'     # Replace it with the actual SecretKey, which can be viewed and managed at https://console.tencentcloud.com/cam/capi
    region = 'ap-beijing'      # Replace it with the actual region, which can be viewed in the console at https://console.tencentcloud.com/cos5/bucket
                             # For the list of regions supported by COS, see https://www.tencentcloud.com/document/product/436/6224
    token = None               # Token is required for temporary keys but not permanent keys. For more information about how to generate and use a temporary key, visit https://www.tencentcloud.com/document/product/436/14048
    scheme = 'https'           # Specify whether to use HTTP or HTTPS protocol to access COS. This field is optional and is `https` by default
    config = CosConfig(Region=region, SecretId=secret_id, SecretKey=secret_key, Token=token, Scheme=scheme)
    client = CosS3Client(config)
    with open('test.bin', 'rb') as fp:
      response = client.put_object(
          Bucket='examplebucket-1250000000',  # Bucket name format: BucketName-APPID
          Key='exampleobject',
          Body=fp,
          TrafficLimit='819200'
      )
      print(response['ETag'])
    

    Sample 2. Limiting single-URL speed on downloads

    # -*- coding=utf-8
    from qcloud_cos import CosConfig
    from qcloud_cos import CosS3Client
    import sys
    import logging
    # In most cases, set the log level to INFO. If you need to debug, you can set it to DEBUG and the SDK will print the communication information of the client.
    logging.basicConfig(level=logging.INFO, stream=sys.stdout)
    # 1. Set user attributes such as secret_id, secret_key, and region. Appid has been removed from CosConfig and thus needs to be specified in Bucket, which is formatted as BucketName-Appid.
    secret_id = 'SecretId'     # Replace it with the actual SecretId, which can be viewed and managed at https://console.tencentcloud.com/cam/capi
    secret_key = 'SecretKey'     # Replace it with the actual SecretKey, which can be viewed and managed at https://console.tencentcloud.com/cam/capi
    region = 'ap-beijing'      # Replace it with the actual region, which can be viewed in the console at https://console.tencentcloud.com/cos5/bucket
                             # For the list of regions supported by COS, see https://www.tencentcloud.com/document/product/436/6224
    token = None               # Token is required for temporary keys but not permanent keys. For more information about how to generate and use a temporary key, visit https://www.tencentcloud.com/document/product/436/14048
    scheme = 'https'           # Specify whether to use HTTP or HTTPS protocol to access COS. This field is optional and is `https` by default
    config = CosConfig(Region=region, SecretId=secret_id, SecretKey=secret_key, Token=token, Scheme=scheme)
    client = CosS3Client(config)
    response = client.get_object(
      Bucket='examplebucket-1250000000',
      Key='exampleobject',
      TrafficLimit='819200'
    )
    response['Body'].get_stream_to_file('exampleobject')
    

    Parameter description

    Parameter Description Type Required
    TrafficLimit Bandwidth limit for a single request in bit/s. Value range: 819200-838860800, i.e., 100 KB/s - 100 MB/s String No
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