Install TOS Browser--Torch Object Storage-Volcengine

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Torch Object Storage

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Torch Object Storage

Document

What's New

New feature release notes

Product announcement

Notice Regarding Restricting the Use of Default Domains or Pre-signed URLs in Torch Object Storage

Notice Regarding Restricting the Use of Torch Object Storage Default Domains in China (Hong Kong)

Notice Regarding Restricting Downloads of .hap Files from Torch Object Storage

Announcement on Enabling URL Encoding for Object Names in Torch Object Storage Log Storage

Notice on Upgrading Torch Object Storage SetObjectMeta API

Commercial Billing Announcement for Torch Object Storage Burst Bandwidth

Announcement on the Upgrade of Total Maximum Bandwidth Limits for Object Storage Upload and Download in North China 2 and East China 2 (Internal and External Networks)

Object Storage SetObjectMeta API Object Expiration Time Feature Deprecation Notice

Official Billing Announcement for Object Storage Accelerator Feature

Announcement on Increased Maximum Upload and Download Bandwidth Limits for Internal and External Networks in the Object Storage North China 2 and East China 2 Regions

Announcement on Object Storage Bucket Inventory File Naming Adjustment

Explanation of Anonymous Request Restrictions for Object Storage

Announcement on Billing Adjustments for Cross-Region and Intra-Region Object Storage Replication Features

Overview

Regions and endpoints

Billing

Billable items

Storage of temporary copies

Storage analytics

Burst bandwidth

Transfer acceleration

TOS Accelerator

Billing method

Pay-as-you-go

Resource package

Overview

Purchasing resource packages

Viewing resource packages

Renewing resource packages

Unsubscribing from resource packages

Arrears

Billing FAQs

Billable item classification

Getting Started

Getting started with TOS using the console

User Guide

Console features overview

Working with buckets

Viewing bucket details

Basic configurations

Managing lifecycle

Lifecycle overview

Lifecycle billing

Configuring lifecycle rules based on last modified time

Configuring lifecycle rules based on last access time

Enabling prefix overlap

Expiring objects via APIs

Hosting a static website

Back-to-origin rules

Back-to-origin overview

Configuring mirroring rules

Configuring redirection rules

Event notification

Event notification overview

Delivering event notifications to veFaaS

Delivering event notifications to Message Queue for Kafka

Tagging buckets

Intelligent Tiering

Intelligent Tiering overview

Viewing Intelligent Tiering rules

Bucket inventory

Batch processing

Using RenameObject

Configuring Requester Pays

Permissions

Bucket policies

Bucket ACLs

CORS rules

Custom domains

Associating a custom domain

Creating an accelerated domain

Managing HTTPS certificates

Transfer acceleration

Fault tolerance and disaster recovery

Cross-region replication

Overview

Same-account cross-region replication

Cross-account cross-region replication

Same-region replication

Overview

Same-account same-region replication

Cross-account same-region replication

Versioning

Overview

Using versioning

Enabling and suspending versioning

Multi-AZ redundancy

Image processing

Creating image styles

Using image styles

Original image protection

Logging

Examples of decoding object names

Storage lens

Overview

Creating Storage Lens dashboards

Viewing storage metrics

Working with objects

Viewing object details

Sorting objects

Previewing objects

Sharing objects

Searching for objects

Managing object metadata

Editing object permissions

Changing object storage type

Managing folders

Monitoring and alerting

Overview

Metric monitoring

Creating alarm strategies

Viewing monitoring data

Accessing monitoring data

Monitoring metrics

Account-level metrics

Bucket-level metrics

Bucket bandwidth metrics

Bucket latency metrics

Bucket status code metrics

Bucket QPS metrics

Bucket storage metrics

Event monitoring

Creating event rules

Viewing event details

Flow control event metrics

Permission configuration

Overview

How TOS authenticates requests

Bucket policies

Overview

Bucket policy templates and parameters

Creating a bucket policy with a template

Creating a custom bucket policy in visual view

Creating a custom bucket policy in JSON view

IAM policies

Overview

Configuring IAM policies

IAM policy examples

ACLs

Overview

Configuring bucket ACLs

Configuring object ACLs

Common configuration scenarios

Overview of common configuration scenarios

Authorizing IAM users of the current account

Allowing an IAM user to download an object in a directory

Allowing an IAM user to upload and download objects in a bucket

Allowing an IAM user to delete a bucket

Allowing an IAM user to delete an object

Granting an IAM user access to RenameObject

Authorizing other accounts

Allowing another account to access a directory of the current account

Allowing another account to upload and download objects in a bucket of the current account

Allowing an IAM user from another account to access a bucket from the current account

Managing access via tools and SDKs

Allowing access to TOS resources via TOS Browser

Managing public read access

Managing bucket public read access

Managing object public read access

Authorizing non-owners

Granting read-only access to Cloud Monitor

Authorizing anonymous users

Denying access to buckets based on IP addresses

Setting up hotlink protection

Using NotPrincipal, NotResource, and NotAction

Blocking public access to TOS

Setting up cross-account replication permissions

Others

Authorizing IAM users

Authorizing other accounts

Troubleshooting access denied errors

Upload callbacks

Data security

Server-side encryption

Overview

Setting bucket encryption

Double-gated access control

Overview

Configuring access control with both VPC endpoint policies and permission policies

Configuring the TLS version

Configuring WORM retention

Security configurations

Access points

Multi-region access points (MRAP)

Overview

Creating multi-region access points

Creating multi-region access point policies

Creating back-to-origin rules for multi-region access points

Using multi-region access points

API operations supported by multi-region access points

Single-region access points (SRAP)

Overview

Creating single-region access points

Using single-region access points

API operations supported by single-region access points

CloudTrail

TOS accelerator

Overview

Creating TOS accelerators

Creating warm-up tasks

Using TOS accelerators

Accelerator performance test results

Data processing

Basic concepts

Pipeline

Image processing persistence

Image processing

Image processing overview

Quality transformation

Format conversion

Retrieve information

Get dominant color of an image

Advanced image compression

Anomalous Image Detection

Remove image metadata

Video processing

Video processing overview

Video frame capture

View video information

Access private m3u8 files

Intelligent retrieve

Intelligent retrieve overview

Create dataset

View dataset information

Retrieve data

Bind data source

Delete dataset

Flow control management

Configure Burst Bandwidth

Quality of Service

QoS policy overview

Create QoS policy

QoS policy use cases

Hierarchical namespace

Feature introduction

What is Hierarchical NameSpace?

Console Feature List (Tiered Bucket)

Usage instructions

User guide

Create a hierarchical namespaces

Data migration

File-related operations

Recycle Bin

API reference

API List (Hierarchical Buckets)

ModifyObject

PutBucketTrash

GetBucketTrash

SDK reference

SDK overview (Hierarchical Bucket)

Java SDK overview(Hierarchical Bucket)

Tool reference

Tool overview (Hierarchical Bucket)

Best practices

Permanently delete recycle bin files

TOS-Doubao AIGC

Image Processing Experience Center

TOS Vectors

TOS Vectors overview

Regions and endpoints

API reference

Vector bucket

PutVectorBucketPolicy

GetVectorBucketPolicy

DeleteVectorBucketPolicy

Vector index

Vector

Tool Guide

TOS common tools overview

tosutil

Overview

Downloading and installing tosutil

Quick start

Command syntax

Common commands

Create a bucket (mb)

Create a folder (mkdir)

List resources under an account (ls)

Calculate the size and number of objects and multipart uploads (du)

Query properties (stat)

Upload, download, and copy objects

Overview

Upload objects (cp)

Download objects (cp)

Copy objects (cp)

Resume a failed task (cp)

Set object metadata (setmeta)

Set predefined access control lists for buckets or objects (set-acl)

Share objects

Create an authorization code (share-crt)

List objects with the authorization code (share-ls)

Download objects with the authorization code (share-cp)

Restore objects (restore)

Delete buckets or objects, or abort multipart uploads (rm)

Mount a bucket as a local file system directory (mount)

Generate pre-signed URLs (presign)

Auxiliary commands

View or update the configuration file (config)

View available commands or help information (help)

Test upload and download speeds (probe)

One-click network diagnosis (netdig)

Compute hash values for files (hash)

Copy local files (fcp)

Delete checkpoint files (clear)

Query version number (version)

Measure network latency (ping)

Calculate connection time (connect)

Trace route (traceroute)

Send HTTP requests (curl)

Capture network traffic (tcpdump)

Common examples

Uploading objects

Downloading objects

Deleting objects

Configuring an HTTP proxy

Viewing result files of batch tasks

tosutil configuration parameters

TOS Browser

Quick start with TOS Browser

Bucket basic operations

File operations

Basic file operations

Scheduled File Upload

Create authorization code

Task center

System settings

TOS Browser tool frequently asked questions

FSX

Overview

Downloading and installing FSX

Configuration and mounting

Mount parameters

How FSX works

Optimizing FSX performance

FSX best practices

Uploading large objects

Automatically remounting a bucket

Recommendations for frequent append-only writes

Recommendations for accessing symlinks in Linux

Mounting with access points

Mounting with custom domains

FAQ

TOS PyTorch Connector

TOS PyTorch Connector Overview

Install TOS PyTorch Connector

Configure TOS PyTorch Connector

Use TOS PyTorch Connector

TosMapDataset

TosIterableDataset

TosCheckpoint

TOS PyTorch Connector data types

Performance

Topic

TOS Import（will be deprecated soon）

Overview

Common commands

Quick start with TOS Import

Deploy migration tasks

Create migration task

View migration tasks

configuration file description

API Reference

Signature Mechanism

The header contains a signature

Header signature overview

Signature mechanism for single-part upload

Multi-chunk upload signature mechanism

Signature mechanism for multi-part upload with trailing header

Including a signature in the URL

Presigned URL with the X-Tos-Policy Query Parameter

Browser-based upload forms include signatures

Bucket

Basic Bucket Operations

CreateBucket

ListBuckets

HeadBucket

PutBucketStorageClass

Bucket Lifecycle

DeleteBucketLifecycle

Access Monitor

PutBucketAccessMonitor

GetBucketAccessMonitor

Bucket ACL

Bucket CORS

Bucket Inventory

DeleteBucketInventory

Bucket Policy

Back-to-origin Rules

DeleteBucketMirrorBack

Bucket Replication

PutBucketReplication

GetBucketReplication

DeleteBucketReplication

Versioning

Static Website

Event Notification

GetBucketNotification

PutBucketNotification

PutBucketNotificationV2

GetBucketNotificationV2

Custom Domain

PutBucketCustomDomain

GetBucketCustomDomain

DeleteBucketCustomDomain

Server-side encryption

PutBucketEncryption

GetBucketEncryption

DeleteBucketEncryption

Bucket Tag

Rename

Transfer Acceleration

PutBucketTransferAcceleration

GetBucketTransferAcceleration

Data Processing

Image processing

Media processing

Workflow

ListWorkflowExecution

Log Analysis

PutBucketRealTimeLog

GetBucketRealTimeLog

DeleteBucketRealTimeLog

Log Storage

AIGC

Retention Policy

PutBucketObjectLockConfiguration

GetBucketObjectLockConfiguration

Requester pays

PutBucketRequestPayment

GetBucketRequestPayment

TLS version

PutBucketHttpsConfig

GetBucketHttpsConfig

Object

Basic Object Operations

Object ACL

Object Tag

Capture Object

Symbolic Link

WORM object

Multipart Upload

CreateMultipartUpload

CompleteMultipartUpload

API Details for Put-type and Get-type Requests

SDK Reference

Java

Java SDK Overview

Installing the Java SDK

Initialize the client (Java SDK)

Quick Start Guide (Java SDK)

Pre-signature Mechanism

Presigned URL Overview (Java SDK)

Standard Presigned Signature (Java SDK)

Pre-signed POST Form (Java SDK)

Bucket Interface

Bucket Base Interface

Creating a Bucket (Java SDK)

Listing Buckets (Java SDK)

Retrieving Bucket Metadata (Java SDK)

Deleting a Bucket (Java SDK)

Obtaining Bucket Region (Java SDK)

Manage Bucket Configuration

Managing Bucket ACLs (Java SDK)

Manage Bucket Policies (Java SDK)

Managing Bucket Storage Classes (Java SDK)

Managing Bucket Lifecycle (Java SDK)

Managing Mirror Origin Fetch (Java SDK)

Managing Cross-Origin Resource Sharing (Java SDK)

Managing Cross-Region Replication (Java SDK)

Managing Static Websites (Java SDK)

Managing Event Notifications (Java SDK)

Managing Custom Domain Names (Java SDK)

Management of Real-Time Logs (Java SDK)

Managing Bucket Object Renaming Functionality (Java SDK)

Object Interface

Upload Object

Overview of Object Uploading (Java SDK)

Standard Upload (Java SDK)

Append Upload (Java SDK)

Multipart Upload (Java SDK)

Resumable Uploads (Java SDK)

Upload Callback (Java SDK)

Download Object

Overview of Downloadable Objects (Java SDK)

Standard Download (Java SDK)

Conditional Download (Java SDK)

Range Download (Java SDK)

Resumable Download (Java SDK)

Download Progress Bar Management (Java SDK)

Image Download and Transcoding (Java SDK)

Upload and Download Speed Limit

Client-Side Rate Limiting (Java SDK)

Single Connection Bandwidth Throttling (Java SDK)

Copy Object

Copy Object Overview (Java SDK)

Standard Copy (Java SDK)

Multipart Copy (Java SDK)

Resumable Uploads (Java SDK)

List Object

List Objects V2 (Java SDK)

Listing Objects (Java SDK)

Listing Multi-Version Objects (Java SDK)

Listing Multipart Upload Tasks (Unmerged Objects) - Java SDK

Manage Object

Managing Object Metadata (Java SDK)

Managing Object Read and Write Permissions (Java SDK)

Deleting Objects (Java SDK)

Managing Object Tags (Java SDK)

Restoring Objects (Java SDK)

Renaming Objects (Java SDK)

Configure Object-Level Expiration Time (Java SDK)

Hierarchical namespace

Bucket base interface

Creating Hierarchical Namespaces (Java SDK)

List Hierarchical Namespaces (Java SDK)

Object interface

Listing Objects in a Hierarchical Namespace (Java SDK)

List Objects in Hierarchical Namespace V2 (Java SDK)

Management object

Renaming Objects within a Hierarchical Namespace (Java SDK)

Data Processing

Image Processing

Obtaining Image Information (Java SDK)

Basic Image Processing (Java SDK)

Abnormal Image Detection (Java SDK)

Image Processing Persistence (Java SDK)

Video Processing

Video Frame Extraction (Java SDK)

Retrieving Video Information (Java SDK)

Persistent Storage of Images Extracted from Video Frames (Java SDK)

Log Configuration

Log Configuration (Java SDK)

Introduction to Typical Scenes

Large Object Scenarios (Java SDK)

Directory Scenario (Java SDK)

Multi-Version Scenarios (Java SDK)

Deleting Scenarios (Java SDK)

Move and Rename Scenarios (Java SDK)

Exception Handling (Java SDK)

SDK Overview

Introduction to the Go SDK

Installing the Go SDK

Initialize Client (Go SDK)

Quick Start (Go SDK)

Pre-signature Mechanism

Presigned Overview (Go SDK)

Standard Presigned URL (Go SDK)

Presigned POST Form (Go SDK)

Bucket Interface

Bucket BaseInterface

Creating a Bucket (Go SDK)

Listing Buckets (Go SDK)

Retrieving Bucket Information (Go SDK)

Deleting a Bucket (Go SDK)

Obtaining Bucket Region (Go SDK)

Manage Bucket Configuration

Managing Bucket ACLs (Go SDK)

Managing Bucket Policies (Go SDK)

Managing Bucket Storage Classes (Go SDK)

Managing Bucket Lifecycle (Go SDK)

Managing Mirror Origin Retrieval (Go SDK)

Managing Cross-Origin Resource Sharing (CORS) (Go SDK)

Managing Event Notifications (Go SDK)

Managing Cross-Region Replication (Go SDK)

Managing Static Websites (Go SDK)

Managing Custom Domains (Go SDK)

Managing Real-Time Logs (Go SDK)

Managing Renamed Objects in a Bucket (Go SDK)

Managing Bucket Tags (Go SDK)

Object Interface

Upload Object

Overview of Object Upload (Go SDK)

Standard Upload (Go SDK)

Append Upload (Go SDK)

Multipart Upload (Go SDK)

Resumable Uploads (Go SDK)

Upload Callback (Go SDK)

Download Object

Overview of Object Download (Go SDK)

Standard Download (Go SDK)

Conditional Download (Go SDK)

Range Download (Go SDK)

Resumable Download (Go SDK)

Copy Object

Overview of Object Copying (Go SDK)

Standard Copy (Go SDK)

Multipart Copy (Go SDK)

Resumable Copy (Go SDK)

List Object

List Objects V2 (Go SDK)

Listing Objects (Go SDK)

Listing Multi-Version Objects (Go SDK)

Listing Unmerged Objects (Listing Multipart Upload Tasks) - Go SDK

Manage Object

Object Metadata Management (Go SDK)

Determining Object Existence (Go SDK)

Managing Object Access Permissions (Go SDK)

Deleting Objects (Go SDK)

Managing Object Tags (Go SDK)

Restoring Objects (Go SDK)

Prohibit Overwriting Files with Identical Names (Go SDK)

Renaming Objects (Go SDK)

Configuring Object-Level Expiration Time (Go SDK)

Data Processing

Image Processing

Basic Image Processing (Go SDK)

Retrieving Image Information (Go SDK)

Anomalous Image Detection (Go SDK)

Image Processing Persistence (Go SDK)

Video Processing

Video Frame Extraction (Go SDK)

Retrieving Video Information (Go SDK)

Video Frame Image Persistence (Go SDK)

Log Configuration

Log Configuration (Go SDK)

Introduction to Typical Scenes

Large Object Scenario (Go SDK)

Directory Scenarios (Go SDK)

Multi-Version Scenarios (Go SDK)

Deleting a Scenario (Go SDK)

Move and Rename Scenarios (Go SDK)

Error Handling (Go SDK)

C++

Introduction to the C++ SDK

Installing the C++ SDK

Initializing the Client (C++ SDK)

Quick Start (C++ SDK)

Pre-signature Mechanism

Overview of Presigned URL (C++ SDK)

Standard Pre-signed (C++ SDK)

Pre-signed POST Form (C++ SDK)

Bucket Interface

Bucket Base Interface

Creating a Bucket (C++ SDK)

List Buckets (C++ SDK)

Retrieving Bucket Metadata (C++ SDK)

Deleting a Bucket (C++ SDK)

Obtaining Bucket Region (C++ SDK)

Manage Bucket Configuration

Managing Bucket ACLs (C++ SDK)

Managing Bucket Policies (C++ SDK)

Managing Bucket Storage (C++ SDK)

Managing Bucket Lifecycle (C++ SDK)

Managing Mirror Origin Retrieval (C++ SDK)

Managing Cross-Origin Resource Sharing (C++ SDK)

Managing Cross-Region Replication (C++ SDK)

Managing Website Configuration (C++ SDK)

Managing Event Notifications (C++ SDK)

Managing Custom Domain Names (C++ SDK)

Managing Real-Time Logs (C++ SDK)

Managing the Functionality for Renaming Objects in Buckets (C++ SDK)

Object Interface

Upload Object

Overview of Object Upload (C++ SDK)

Standard Upload (C++ SDK)

Append Upload (C++ SDK)

Multipart Upload (C++ SDK)

Resumable Transfer (C++ SDK)

Upload Callback (C++ SDK)

Download Object

Object Download Overview (C++ SDK)

Standard Download (C++ SDK)

Restricted Download (C++ SDK)

Range Download (C++ SDK)

Resumable Download (C++ SDK)

Copy Object

Overview of Copying Objects (C++ SDK)

Standard Copy (C++ SDK)

Multipart Copy (C++ SDK)

Resumable Copy (C++ SDK)

List Object

List Objects V2 (C++ SDK)

Listing Objects (C++ SDK)

List Multi-Version Objects (C++ SDK)

Enumerating Multipart Upload Tasks (C++ SDK)

Management target

Managing Object Metadata (C++ SDK)

Managing Object Read/Write Permissions (C++ SDK)

Deleting Objects (C++ SDK)

Managing Object Tags (C++ SDK)

Restore Object (C++ SDK)

Renaming Objects (C++ SDK)

Data Processing

Image processing

Basic Image Processing (C++ SDK)

Retrieving Image Information (C++ SDK)

Abnormal Image Detection (C++ SDK)

Video processing

Video Frame Extraction (C++ SDK)

Retrieving Video Information (C++ SDK)

Log Configuration (C++ SDK)

Data Security (C++ SDK)

Introduction to Typical Scenes

Large Object Scenarios (C++ SDK)

Directory Scenario (C++ SDK)

Multi-Version Scenarios (C++ SDK)

Deleting a Scenario (C++ SDK)

Scenarios for Moving and Renaming (C++ SDK)

Exception Handling (C++ SDK)

Python

Introduction to Python SDK

Install Python SDK

Initialize the client (Python SDK)

Quick start (Python SDK)

Pre-signature mechanism

Presigned overview (Python SDK)

General presigned (Python SDK)

Post form presign (Python SDK)

Bucket interface

Basic bucket interface

Create a bucket (Python SDK)

List buckets (Python SDK)

Get bucket metadata (Python SDK)

Delete bucket (Python SDK)

Get bucket region (Python SDK)

Manage bucket configuration

Manage bucket ACL (Python SDK)

Manage bucket policy (Python SDK)

Manage bucket storage types (Python SDK)

Manage bucket lifecycle (Python SDK)

Manage mirroring back to the source (Python SDK)

Manage cross-origin resource sharing (Python SDK)

Manage cross-region replication (Python SDK)

Manage website configuration (Python SDK)

Manage event notifications (Python SDK)

Manage custom domain names (Python SDK)

Manage real-time logs (Python SDK)

Manage object renaming (Python SDK)

Manage bucket tags (Python SDK)

Object interface

Uploads an object

Upload object overview (Python SDK)

Ordinary upload (Python SDK)

Append upload (Python SDK)

Multipart upload (Python SDK)

Resumable upload (Python SDK)

Upload callback (Python SDK)

Download an object

Overview (Python SDK)

Ordinary download (Python SDK)

Conditional Download (Python SDK)

Range download (Python SDK)

Breakpoint Resume Download (Python SDK)

Copy an object

Object copy overview (Python SDK)

Standard copy (Python SDK)

Multipart copy (Python SDK)

Resumable copy (Python SDK)

List objects

List objects V2 (Python SDK)

List objects (Python SDK)

List multiversion objects (Python SDK)

List unmerged objects (list multipart upload tasks) - Python SDK

Management objects

Manage object metadata (Python SDK)

Check if an object exists (Python SDK)

Manage object access permissions (Python SDK)

Delete Object (Python SDK)

Manage object tags (Python SDK)

Restore object (Python SDK)

Rename Object (Python SDK)

Set object-level expiration time (Python SDK)

Data processing

Image processing

Basic image processing (Python SDK)

Get image information (Python SDK)

Anomaly image detection (Python SDK)

Image processing persistence (Python SDK)

Video processing

Video frame capture (Python SDK)

Get video information (Python SDK)

Video frame capture image Persistence (Python SDK)

Log configuration (Python SDK)

Data security (Python SDK)

Introduction to typical scenes

Large object scenarios (Python SDK)

Directory scene (Python SDK)

Multi-version scenarios (Python SDK)

Delete scenarios (Python SDK)

Move and rename scenarios (Python SDK)

Exception handling (Python SDK)

Node.js

Introduction to the Node.js SDK

Install Node.js SDK

Initializing the Client (Node.js SDK)

Quick Start (Node.js SDK)

Pre-signature Mechanism

Presigned URL Overview (Node.js SDK)

Standard Presigned URL (Node.js SDK)

Presigned POST Form (Node.js SDK)

Bucket interface

Barrel basic interface

Creating a Bucket (Node.js SDK)

List Buckets (Node.js SDK)

Retrieve Bucket Information (Node.js SDK)

Deleting a Bucket (Node.js SDK)

Obtaining Bucket Region (Node.js SDK)

Manage bucket configuration

Managing Bucket ACLs (Node.js SDK)

Managing Bucket Policies (Node.js SDK)

Managing Bucket Storage Classes (Node.js SDK)

Managing Bucket Lifecycle (Node.js SDK)

Managing Origin Fetch (Node.js SDK)

Managing Cross-Origin Resource Sharing (Node.js SDK)

Managing Event Notifications (Node.js SDK)

Managing Cross-Region Replication (Node.js SDK)

Managing Static Websites (Node.js SDK)

Managing Custom Domains (Node.js SDK)

Managing Real-Time Logs (Node.js SDK)

Target interface

Uploads an object.

Overview of Object Upload (Node.js SDK)

Standard Upload (Node.js SDK)

Append Upload (Node.js SDK)

Multipart Upload (Node.js SDK)

Resumable Upload (Node.js SDK)

Upload Callback (Node.js SDK)

Download target

Overview of Downloading Objects (Node.js SDK)

Standard Download (Node.js SDK)

Restricted Download (Node.js SDK)

Range Download (Node.js SDK)

Resumable Download (Node.js SDK)

Copy object

Overview of Object Copying (Node.js SDK)

Standard Copy (Node.js SDK)

Multipart Copy (Node.js SDK)

Resumable Copy (Node.js SDK)

List objects

List Objects V2 (Node.js SDK)

Listing Objects (Node.js SDK)

Listing Objects with Multiple Versions (Node.js SDK)

Listing Unmerged Objects (Listing Multipart Upload Tasks) - Node.js SDK

management object

Managing Object Metadata (Node.js SDK)

Determining Whether an Object Exists (Node.js SDK)

Managing Object Access Permissions (Node.js SDK)

Delete Object (Node.js SDK)

Managing Object Tags (Node.js SDK)

Restore Object (Node.js SDK)

Data processing

Image processing

Basic Image Processing (Node.js SDK)

Retrieving Image Information (Node.js SDK)

Abnormal Image Detection (Node.js SDK)

Image Processing Persistence (Node.js SDK)

Video processing

Video Frame Extraction (Node.js SDK)

Retrieving Video Information (Node.js SDK)

Persistent Storage of Video Frame Images (Node.js SDK)

Introduction to Typical Scenes

Large Object Scenario (Node.js SDK)

Directory Scenario (Node.js SDK)

Multi-Version Scenario (Node.js SDK)

Deleting a Scenario (Node.js SDK)

Scenarios for Moving and Renaming (Node.js SDK)

Exception Handling (Node.js SDK)

Browser.js

Introduction to the Browser.js SDK

Installing the Browser.js SDK

Pre-signature Mechanism

Overview of Presigning (Browser.js SDK)

Standard Presigned Signature (Browser.js SDK)

Pre-signed POST Form (Browser.js SDK)

Upload Object

Overview of Object Upload (Browser.js SDK)

Standard Upload (Browser.js SDK)

Incremental Upload (Browser.js SDK)

Multipart Upload (Browser.js SDK)

Resumable Upload (Browser.js SDK)

Download Object

Download Object Overview (Browser.js SDK)

Standard Download (Browser.js SDK)

Conditional Download (Browser.js SDK)

Range Download (Browser.js SDK)

Copy Object

Copy Object Overview (Browser.js SDK)

Chunked Copy (Browser.js SDK)

Standard Copy (Browser.js SDK)

Resumable Copy (Browser.js SDK)

List Object

Enumerating Objects (Browser.js SDK)

List Unmerged Objects (Browser.js SDK)

Listing Multi-Version Objects (Browser.js SDK)

Manage object

Object Metadata Management (Browser.js SDK)

Managing Object Access Permissions (Browser.js SDK)

Data processing

Video processing

Video Frame Extraction (Browser.js SDK)

Retrieving Video Information (Browser.js SDK)

Persistent Storage of Video Frame Images (Browser.js SDK)

Exception Handling (Browser.js SDK)

.NET

.NET Overview

Install .NET SDK

Client Initialization (.NET SDK)

Quick Start (.NET SDK)

Pre-signed URL (.NET SDK)

Bucket Interface

Creating a Bucket (.NET SDK)

List Buckets (.NET SDK)

Retrieving Bucket Metadata (.NET SDK)

Deleting a Bucket (.NET SDK)

target interface

Uploads an object.

Overview (.NET SDK)

Normal Upload (.NET SDK)

Incremental Upload (.NET SDK)

Multipart Upload (.NET SDK)

Upload Callback (.NET SDK)

Download target

Overview (.NET SDK)

Standard Download (.NET SDK)

Conditional Download (.NET SDK)

Scoped Download (.NET SDK)

copy target

Overview (.NET SDK)

Chunked Copy (.NET SDK)

Standard Copy (.NET SDK)

List objects

Object Enumeration (.NET SDK)

List Multi-Version Objects (.NET SDK)

Listing Incomplete Multipart Uploads (Listing Multipart Upload Tasks) - .NET SDK

management target

Manage Object Metadata (.NET SDK)

Managing Object Read and Write Permissions (.NET SDK)

Restore Object (.Net SDK)

Managed Object Tags (.NET SDK)

Deleting Objects (.NET SDK)

Introduction to Typical Scenes

Large Object Scenarios (.NET SDK)

Directory Scenario (.NET SDK)

Multi-Version Scenario (.NET SDK)

Deleting a Scenario (.NET SDK)

Move and Rename Scenarios (.NET SDK)

Exception Handling (.NET SDK)

PHP

PHP SDK Overview

Install PHP SDK

Initialize Client (PHP SDK)

Quick Start Guide (PHP SDK)

Pre-signed URLs (PHP SDK)

Bucket Interface

Creating a Bucket (PHP SDK)

Listing Buckets (PHP SDK)

Retrieving Bucket Metadata (PHP SDK)

Delete Bucket (PHP SDK)

object interface

Uploads an object.

Overview (PHP SDK)

Normal Upload (PHP SDK)

Append Upload (PHP SDK)

Shard Upload (PHP SDK)

download target

Overview (PHP SDK)

Normal Download (PHP SDK)

Limited Download (PHP SDK)

Scope Download (PHP SDK)

Managed object

Manage Object Meta Information (PHP SDK)

Manage Access to Objects (PHP SDK)

List Objects (PHP SDK)

Delete Objects (PHP SDK)

Copy Objects (PHP SDK)

Data Processing

Image Processing (PHP SDK)

Video Frame Extraction (PHP SDK)

exception handling

Exception Handling (PHP SDK)

iOS

Overview of the iOS SDK

Install the iOS SDK

Quick Start Guide (iOS SDK)

Temporary Access Authorization (iOS SDK)

Bucket Interface

Creating a Bucket (iOS SDK)

Enumerating Buckets (iOS SDK)

Retrieving Bucket Metadata (iOS SDK)

Deleting a Bucket (iOS SDK)

Object Interface

Upload object

Overview (iOS SDK)

Simple Upload (iOS SDK)

Append Upload (iOS SDK)

Multipart Upload (iOS SDK)

Upload Progress Bar (iOS SDK)

Download target

Downloadable Items (iOS SDK)

Download Progress Bar (iOS SDK)

Manage Object

Managed Object Metadata (iOS SDK)

Managing Object Access Permissions (iOS SDK)

Enumerating Objects (iOS SDK)

Enumerating Multi-Version Objects (iOS SDK)

Deleting Objects (iOS SDK)

Copying Objects (iOS SDK)

Data Processing

Image Processing

Basic Image Processing (iOS SDK)

Retrieving Image Information (iOS SDK)

Image Processing Persistence (iOS SDK)

Video Processing

Video Frame Extraction (iOS SDK)

Retrieving Video Information (iOS SDK)

Persistent Storage of Video Frame Images (iOS SDK)

Android

Introduction to the Android SDK

Install Android SDK

Client Initialization (Android SDK)

Quick Start (Android SDK)

Pre-Signature Mechanism (Android SDK)

Bucket Interface

Creating a Bucket (Android SDK)

Listing Buckets (Android SDK)

Retrieving Bucket Metadata (Android SDK)

Deleting a Bucket (Android SDK)

Object Interface

Upload Object

Overview (Android SDK)

Standard Upload (Android SDK)

Supplementary Upload (Android SDK)

Multipart Upload (Android SDK)

Resumable Upload (Android SDK)

Download Object

Overview (Android SDK)

Standard Download (Android SDK)

Conditional Download (Android SDK)

Partial Download (Android SDK)

Resumable Download (Android SDK)

Progress Bar (Android SDK)

Copy Object

Standard Copy (Android SDK)

Chunked Copy (Android SDK)

List Object

Enumeration of Objects (Android SDK)

Listing Multi-Version Objects (Android SDK)

Manage Object

Managed Object Metadata (Android SDK)

Managing Object Access Permissions (Android SDK)

Deleting Objects (Android SDK)

Exception Handling

Exception Handling (Android SDK)

Introduction to the C SDK

Installing the C SDK

Initializing the Client (C SDK)

Object Interface

upload object

Multipart Upload (C SDK)

Harmony

Harmony SDK Overview

Install Harmony SDK

Initialize Client (Harmony SDK)

Quick Start (Harmony SDK)

Pre-signature Mechanism

Pre-Signature Overview

Standard Pre-Signature (Harmony SDK)

Pre-signed POST Form (Harmony SDK)

Bucket Interfaces

Basic Bucket Interfaces

Creating a Bucket (Harmony SDK)

Enumerate Buckets (Harmony SDK)

Retrieving Bucket Information (Harmony SDK)

Deleting a Bucket (Harmony SDK)

Retrieve Bucket Region (Harmony SDK)

Manage Bucket Configurations.

Managing Mirror Origin Retrieval (Harmony SDK)

Object Interfaces

Upload Object

Object Upload Overview (Harmony SDK)

Standard Upload (Harmony SDK)

Additional Upload (Harmony SDK)

Multipart Upload (Harmony SDK)

Resumable Transfer (Harmony SDK)

Upload Callback (Harmony SDK)

Download Object

Overview of Downloadable Items (Harmony SDK)

Standard Download (Harmony SDK)

Conditional Download (Harmony SDK)

Scoped Download (Harmony SDK)

Resumable Download (Harmony SDK)

Copy Object

Copy Object Overview (Harmony SDK)

Standard Copy (Harmony SDK)

Sharded Copy (Harmony SDK)

List Objects v2

Enumerate Objects V2 (Harmony SDK)

Enumerating Multi-Version Objects (Harmony SDK)

List Unmerged Objects (List Multipart Upload Tasks) - Harmony SDK

Manage Objects

Determining Whether an Object Exists (Harmony SDK)

Managed Object Metadata (Harmony SDK)

Delete Object (Harmony SDK)

Introduction to Typical Scenarios

Move and Rename Scenarios (Harmony SDK)

Directory Scenario (Harmony SDK)

Multi-Version Scenario (Harmony SDK)

Large Object Scenario (Harmony SDK)

Deleting a Scene (Harmony SDK)

Exception Handling (Harmony SDK)

Rust

Rust SDK overview

Install Rust SDK

Initialize the client (Rust SDK)

Getting started (Rust SDK)

Pre-signing mechanism

PreSignedURL（Rust SDK）

PreSignedPostSignature（Rust SDK）

Bucket interface

Basic bucket operations

DoesBucketExist（Rust SDK）

CreateBucket（Rust SDK）

ListBuckets（Rust SDK）

HeadBucket（Rust SDK）

PutBucketStorageClass（Rust SDK）

ListObjectsType2（Rust SDK）

ListObjectVersions（Rust SDK）

GetBucketLocation（Rust SDK）

DeleteBucket（Rust SDK）

GetBucketInfo（Rust SDK）

Lifecycle rules

PutBucketLifecycle（Rust SDK）

GetBucketLifecycle（Rust SDK）

DeleteBucketLifecycle（Rust SDK）

Access monitor

PutBucketAccessMonitor（Rust SDK）

GetBucketAccessMonitor（Rust SDK）

Bucket ACLs

PutBucketACL（Rust SDK）

GetBucketACL（Rust SDK）

Cross-origin resource sharing

PutBucketCORS（Rust SDK）

GetBucketCORS（Rust SDK）

Bucket inventory

PutBucketInventory（Rust SDK）

GetBucketInventory（Rust SDK）

ListBucketInventory（Rust SDK）

DeleteBucketInventory（Rust SDK）

Bucket tag

PutBucketTagging（Rust SDK）

GetBucketTagging（Rust SDK）

DeleteBucketTagging（Rust SDK）

Rename

PutBucketRename（Rust SDK）

GetBucketRename（Rust SDK）

DeleteBucketRename（Rust SDK）

Bucket policies

PutBucketPolicy（Rust SDK）

GetBucketPolicy（Rust SDK）

DeleteBucketPolicy（Rust SDK）

Back-to-origin rules

PutBucketMirrorBack（Rust SDK）

GetBucketMirrorBack（Rust SDK）

DeleteBucketMirrorBack（Rust SDK）

Bucket replication

PutBucketReplication（Rust SDK）

GetBucketReplication（Rust SDK）

DeleteBucketReplication（Rust SDK）

Versioning

PutBucketVersioning（Rust SDK）

GetBucketVersioning（Rust SDK）

Static website hosting

PutBucketWebsite（Rust SDK）

GetBucketWebsite（Rust SDK）

DeleteBucketWebsite（Rust SDK）

Event notification

PutBucketNotificationType2（Rust SDK）

GetBucketNotificationType2（Rust SDK）

Custom domain

PutBucketCustomDomain（Rust SDK）

ListBucketCustomDomain（Rust SDK）

DeleteBucketCustomDomain（Rust SDK）

Server-side encryption

PutBucketEncryption（Rust SDK）

GetBucketEncryption（Rust SDK）

DeleteBucketEncryption（Rust SDK）

Log analysis

PutBucketRealTimeLog（Rust SDK）

GetBucketRealTimeLog（Rust SDK）

DeleteBucketRealTimeLog（Rust SDK）

Object interface

Basic operation

CopyObject（Rust SDK）

DeleteObject（Rust SDK）

DeleteMultiObjects（Rust SDK）

GetObject（Rust SDK）

HeadObject（Rust SDK）

AppendObject（Rust SDK）

PutObject（Rust SDK）

SetObjectMeta（Rust SDK）

RestoreObject（Rust SDK）

RenameObject（Rust SDK）

DoesObjectExist（Rust SDK）

Access control

PutObjectACL（Rust SDK）

GetObjectACL（Rust SDK）

Object tag

PutObjectTagging（Rust SDK）

GetObjectTagging（Rust SDK）

DeleteObjectTagging（Rust SDK）

Target object

FetchObject（Rust SDK）

PutFetchTask（Rust SDK）

GetFetchTask（Rust SDK）

Symlink

Error Code

Use EC code for self-troubleshooting

01-SERVICE_ERROR

02-AUTH

03-ACCESS_CONTROL

04-QOS

05-REQUEST

06-BUCKET

07-LIFECYCLE

08-ACL

09-CORS

10-POLICY

11-MIRROR

12-REPLICATION

13-WEBSITE

14-NOTIFICATION

15-ENCRYPT

16-CUSTOMDOMAIN

17-OBJECT

18-TAG

19-MULTIPART

20-STORAGE_CLASS

21-CALLBACK

22-DATA_PROCESS

23-BATCH

24-STORAGE_LENS

25-INVENTORY

26-DIRECTORY_BUCKET

FAQ

Overview of Frequently Asked Questions

How to preview objects in a browser?

When accessing TOS using the PathStyle method, the error InvalidPathAccess is reported.

Which operations will update the LastModifyTime of an Object?

Which operations will update the LastAccessTime of an Object?

Why, after deleting the log topic of a bucket, can't the log functionality of other buckets be used normally?

How to confirm whether the list file has been generated?

Best Practices

Overview of best practices

Accessing TOS with third-party tools

Accessing TOS with Rclone

Managing TOS resources with S3 Browser

Accessing TOS with Flutter SDK

Granting temporary access

Using pre-signed URLs for secure data downloads

Accessing TOS with temporary credentials of Security Token Service

Mounting buckets

Overview

Mounting TOS buckets on Windows

Mounting TOS buckets on Linux

Data processing

Combining redirection rules and image processing

Checking data integrity

Overview

Verifying the integrity of uploaded objects

Verifying the integrity of downloaded objects

Performance optimization

Best practices for optimizing performance

Benchmarking TOS performance using COSBench

Uploading data from WeChat Mini Programs to TOS

Uploading data from web browsers to TOS

Accessing TOS using PrivateLink

Accessing and storing TOS data in PyTorch jobs

Tracking download behaviors with TOS Browser

Accessing TOS through an ECS reverse proxy

Documentation

Torch Object Storage

Tool Guide

TOS Browser

Install TOS Browser

TOS Browser

Install TOS Browser

Last updated: 2025.11.17 15:25:09

Public security network record in Beijing: No. 11010802032137