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Elastic Compute Service
Document
Elastic Compute Service
Elastic Compute Service
Document
Elastic Compute Service
What's New
New feature release notes
Instance type release notes
Image release notes
Announcement
OpenAPI related
[OpenAPI] Notice on the Discontinuation of Certain OpenAPI Actions in Elastic Block Storage (EBS) 2018-01-01 Version
Pricing and quotas are related
[Billing] Notice of Changes to Expiration and Renewal Policies for Subscription-Based Elastic Block Storage Volumes
[Quota] Notice on Adjusting the Elastic Block Storage Volume Quota Management Method
About products and plugins
[Monitoring plugin upgrade] Announcement on enabling the O11yAgent collection solution
Feature discontinuation
Announcement on discontinuation of the "Subscribe to event notifications" feature
Overview
What is Elastic Compute Service
Features overview
Benefits
Application scenario
Related cloud products
Regions and availability zones
Limits
Usage notes
Billing
Billing overview
Billable items
Billing by instance type
Billing of image
Volume billing
Burst performance billing - ESSD FlexPL volumes
Additional performance billing - ESSD FlexPL volumes
Additional performance billing - TSSD volumes
Snapshot billing
Billing of Elastic IP Address
Billing methods
Pay-as-you-go
Economical mode for pay-as-you-go instances
Subscription
Spot Instance
Elastic Scheduled Instances
Offsetting Resources
Reserved Instances
Reserved Storage Capacity
Billing methods change
Changing billing method from Pay-as-you-go to Subscription
Changing billing method from Subscription to Pay-as-you-go
Change from Subscription volumes to Pay-as-you-go volumes
Changing from Pay-as-you-go volumes to Subscription volumes
Instructions on changing instance type
Instructions on renewal and unsubscription
Instructions on expiration
Instructions on arrears
Instructions on taxes
Getting Started
Quick start
Purchasing and using ECS instance
User Guide
Instructions on common console operations
Instances
Instance overview
Instance lifecycle
Viewing instance information
Managing applications
Viewing regions where instances are available for sale
Managing instance resource quota
Instance types
Instance types and specifications
Instance naming and type recommendations
X86 Computing
General-purpose
Compute-optimized
Memory-optimized
FLEX
Local SSD
Big Data
High Frequency
Network Enhanced
Shared instance
Burstable instance
HPC CPU
Elastic Bare Metal Server
EBM overview
General-purpose EBM
Compute-optimized EBM
Memory-optimized EBM
Local-SSD EBM
Big Data EBM
High Frequency EBM
Heterogeneous Computing
GPU Accelerated
GPU Rendering
High Performance Computing Optimized
Instance types soon to be removed from sale
Discontinued instance types
Select instance billing method
Pay-as-you-go
Economical mode for pay-as-you-go instances
Subscription
Spot instance
Overview of spot instance
Purchasing spot instances
Viewing interruption events for spot instances
Withdraw spot instance
Best practices for data recovery when spot instances are reclaimed
Elastic Scheduled Instance
Elastic Scheduled Instances (ESI) Overview
Creating ESIs
View ESI order event
Creating ESI order with the same configuration
Canceling ESI order
Delete Elastic Scheduled Instances (ESI)
ESI-Segmented
Offsetting Resources
Offsetting resource overview
Reserved Instances
Overview of Reserved Instances
Purchasing RI
Reserved Instances (RI) matching rules
Viewing normalization factor
Modifying RIs
Viewing RI usage detail
Reserved Instances (RI) renewal
Reserved Storage Capacity
Overview of Reserved Storage Capacity
Purchase Reserved Storage Capacity (RSC)
Viewing Reserved Storage Capacity usage details
Buying ECS instances
Overview of methods for purchasing ECS instances
Purchasing an instance by following the wizard
Quickly purchasing instances
Purchase an ECS instance with the same configuration
Purchasing an instance based on an instance launch template or version
Purchasing an instance based on an image
Subsequent operation
Logging in to an instance
Login overview
Logging in to a Linux instance
Using the console to log in to a Linux instance
Using a Windows host to log in to a Linux instance
Logging in to a Linux instance on a Linux host
Using macOS to log in to a Linux instance
Using a mobile client to log in to a Linux instance
Logging in to a Windows instance
Using the console to log in to a Windows instance
Using a Windows host to log in to a Windows instance
Using a Linux host to log in to a Windows instance
Using MacOS to log in to a Windows instance
Using a mobile client to log in to a Windows instance
Managing instance status
Starting instance
Stopping instance
Restarting instance
Instance deletion protection
Deleting instance
Modifying instance types
Instance types supporting type change
Changing instance type
Using instance user data and metadata
User data
Custom data overview
Setting custom data
Instance metadata
Instance metadata overview
Viewing instance metadata
Changing the hostname of an instance
Batch sending remote commands
Downloading files to multiple instances
Add multiple instances to a scaling group
Customizing the Instances page
Managing files in ECS instances via Terminal
Images
Overview of image
Selecting images
Public images
Public image overview
veLinux images
veLinux overview
Feature descriptions of veLinux 1.0 system
Feature descriptions of veLinux 2.0 system
Description of differences between veLinux 2.0 and veLinux 1.0
Security advisory
Kernel live patching
Kernel live patching overview
Using kernel live patches
Custom images
Custom image overview
Importing custom images
Image import overview
Image import requirements
Using tool to check custom image specifications
Creating custom images
Creating Linux images
Creating Windows images
Importing custom images
Creating custom images
Creating custom image based on instance (for Linux)
Creating custom image based on instance (for Windows)
Creating custom images by using snapshots or snapshot consistency groups
Creating custom images using CP
Creating custom images by using Tailor
Creating custom images by using Packer
Image detection
Image detection overview
Checking custom images and addressing risk items
Check item description
Repair suggestions
Windows Server operating systems
Copying custom images
Sharing image
Sharing or unsharing custom images
Copying shared images
Deleting custom images
Exporting custom images
Modifying image boot mode
Managing custom image tasks
Marketplace images
Changing operating systems
End of life (EOL) of image
Operating system maintenance cycles
Description of the discontinued maintenance of CentOS Linux
Local volume
Elastic Block Storage
Overview of Elastic Block Storage
Volume specifications
TSSD volumes
ESSD FlexPL volumes
ESSD PL0 volumes
ML disks
Elastic remote volumes
Encrypted volumes
Overview of volume operations
Basic volume operations
Creating a volume
Attaching a volume
Partitioning and formatting a volume
Overview
Partitioning and formatting a volume (Windows)
Partitioning and formatting a volume (Linux)
Creating a file system on a raw device
Changing the volume type
Reinitializing a volume
Managing placement groups
Detaching a volume
Deleting a volume
Modifying volume attributes
Viewing device serial numbers
Viewing the mapping between volume IDs and device names
Handling failed elastic remote volumes
Extending a volume
Overview
Extending a volume (Linux)
Extending a file system on a raw device (Linux)
Extending a volume (Windows)
Changing the billing method for a volume
EBS Agent
Overview
Using EBS Agent
Snapshots
Overview
How snapshots work
Instant access snapshots
Basic snapshot operations
Creating snapshots
Copying snapshots
Viewing snapshot information
Viewing snapshot chains
Modifying snapshot attributes
Deleting snapshots
Rolling back volumes using snapshots
Creating a volume from a snapshot
Sharing a snapshot with other accounts
Auto snapshot policies
Creating an auto snapshot policy
Associating or disassociating an auto snapshot policy
Modifying an auto snapshot policy
Deleting an auto snapshot policy
Snapshot groups
Creating a snapshot group
Viewing snapshot group details
Modifying snapshot group attributes
Rolling back a volume using a snapshot group
Deleting a snapshot group
DataInsights
Overview
Second-level monitoring
System events
Network
Network overview
VPC
VPC overview
Changing VPC or subnet
Network interface and IP address
Overview of network interface
Mounting/Unmounting secondary network interfaces
Configuring secondary network interfaces for ECS instances
IP Address
IP address overview
IPv4 address
Assigning/Reclaiming IPv4 addresses
Configuring secondary private IPv4 addresses for ECS instances
IPv6 address
Assigning/Reclaiming IPv6 addresses
Configuring private IPv6 addresses for ECS instances
Viewing IPv4/IPv6 addresses
Enabling the multiqueue feature for network interfaces
Jumbo frames
Enabling/disabling jumbo frames
Managing MTU values of network interfaces
Security group
Security group overview
How to make a security group plan
Viewing/Modifying security group rules
Changing security groups
EIP
EIP overview
Associating EIPs
Disassociating EIP
Changing EIP configuration
Security
Security overview
Passwords and key pairs
Resetting login password
Installing reset-authentication plug-in
Upgrading reset-authentication plug-in
Key pairs
Overview of key pair
Creating key pairs
Associating key pairs with instances
Disassociating key pairs from instances
Viewing instances associated with key pairs
Deleting key pairs
Viewing public key information
Adding or replacing key pairs within instance
Security enhancement
DDoS protection
Deployment and scaling
Launch templates
Overview of instance launch templates
Creating instance launch templates
Creating versions of instance launch templates
Changing default version
Deleting instance launch templates or versions
Associating instance launch templates with scaling groups
Managing deployment sets
Monitoring
Monitoring overview
Monitoring metrics
View metric-based monitoring data of instances
Configuring metric-based alarms and monitoring
Viewing basic monitoring data/operating system monitoring data
Viewing TCP connection monitoring data
Managing process monitoring data
Viewing GPU/RDMA monitoring data of instances
Event monitoring
Event monitoring overview
Querying and handling events
Configuring automatic O&M for system events
Viewing and changing the maintenance time
Local volume event O&M
Method 1: Solve the local volume failure by replacing the faulty volume
Step 1: Isolate the local volume (optional)
Step 2: Replace the faulty volume (non-EBM instances)
Method 2: Resolve local volume failures through instance redeployment
Configuring event monitoring notifications
Event type overview
Scheduled maintenance window
Scheduled maintenance window overview
Creating scheduled maintenance windows
Enabling scheduled maintenance windows
Disabling scheduled maintenance windows
Deleting scheduled maintenance windows
Viewing instance health states
O&M
O&M overview
Obtaining instance system logs and screenshots
Cloud assistant
Cloud assistant overview
Benefits
Installing cloud assistant Agent
Job management
Creating jobs
Viewing job execution results
Cloning jobs
Stopping jobs
Managing commands
Managing public commands
Managing custom commands
Custom parameter descriptions
Managing agents
Viewing cloud assistant installation results
Upgrading or uninstalling cloud assistant Agent
Starting or restarting instances
Description of differences between cloud assistant command executions and in-instance command executions
Process choreography
Overview of Orchestration
Preparations
Managing orchestration tasks
Summary of orchestration steps
Common operation and maintenance tasks
Batch operations on instances
Creating tasks for batch instance operations
Viewing tasks for batch instance operations
Cloning task for batch instance operations
Canceling task for batch instance operations
Deleting task for batch instance operations
Batch operations on EBS Volumes
Creating tasks for batch volume operations
Viewing tasks for batch volume operations
Cloning task for batch volume operations
Canceling task for batch volume operations
Deleting task for batch volume operations
Batch operations on images
Creating tasks for batch image operations
Viewing tasks for batch image operations
Cloning task for batch image operations
Canceling task for batch image operations
Deleting task for batch image operations
Temporary upgrade of bandwidth
Creating temporary bandwidth upgrade tasks
Viewing temporary bandwidth upgrade tasks
Cloning temporary bandwidth upgrade task
Canceling temporary bandwidth upgrade task
Deleting temporary bandwidth upgrade tasks
Managing application updates
Creating OpenClaw (Linux) system reinstallation tasks
Creating OpenClaw (Linux) task to deploy AI Assistant Security service
Viewing application update tasks
Cloning application update tasks
Deleting or canceling application update tasks
Appendix
Backing up and migrating data for ECS instances preconfigured with OpenClaw (Clawdbot)
orchestration plan
Creating orchestration plans
Specifying event or alert triggers
Viewing orchestration plans
Cloning orchestration plans
Canceling orchestration plans
Deleting orchestration plans
Content of metric alert callback requests
Content of event alert callback requests
Managing custom templates
Creating custom templates
Viewing custom templates
Updating custom templates
Cloning custom templates
Deleting custom templates
Appendix
Overview of custom template syntax
Actions
General attributes
Action list
Atomic actions
Patch management
Patch management overview
Managing patch plans
Creating patch plans
Viewing patch plans
Cloning patch plans
Canceling patch plans
Deleting patch plans
Managing patch baselines
Creating patch baselines
Viewing patch baselines
Setting patch baseline as default baseline
Updating patch baseline attributes
Deleting patch baselines
Viewing compliance reports
Appendix
Package name format of approved and rejected patch lists
Cron expression
Instance diagnosis
Overview of instance diagnosis
Instance diagnosis
Viewing historical diagnosis reports
Diagnosis item overview
IAM
IAM overview
ECS IAM policy types
ECS custom policy examples
Authorizing ECS instances to access cloud resources based on instance IAM roles
Cross-service authorization
Tags and projects
Tags
Tag management
Tag design principles
Managing projects
Best Practices
Best practices for instance delivery
AI applications
ArkClaw
One-click integration with ArkClaw
ArkClaw exception resolutions
OpenClaw (formerly Moltbot)
Quickly deploying OpenClaw via application templates
OpenClaw limited-time renewal promotion
Quickly deploying OpenClaw and integrating Feishu AI assistant
Quickly deploying OpenClaw and integrating WeCom AI assistant
Quickly deploying OpenClaw and integrating DingTalk AI assistant
OpenClaw FAQ
Quickly deploying OpenClaw via marketplace images
Quickly deploying OpenClaw on Linux and integrating it as an AI assistant into IM tools
Quickly deploying OpenClaw on Windows and integrating Feishu AI assistant
Manually deploying OpenClaw
Manually deploying OpenClaw on Windows operating system
Self-service website creation
Must-read for self-service website building
Building environments
Setting up a Node.js environment
Setting up a Java web environment
Setting up an LNMP environment (CentOS 8)
Setting up an LNMP environment (CentOS 7)
Setting up an LNMP environment (Ubuntu 18.04)
Setting up a LAMP environment (CentOS 8)
Setting up a LAMP environment (CentOS 7)
Setting up a LAMP environment (Ubuntu 18.04)
Building a Web environment (Windows)
Manually setting up a web environment
Setting up a web environment by using Baota Panel
Setting up a Python environment
Manually deploying Baota Panel
Building applications
Building FTP site
FTP overview
Setting up FTP sites (Ubuntu 22.04)
Setting up FTP sites (CentOS 7.6)
Setting up FTP sites (Windows 2019)
Setting up FTP sites (Windows 2012)
FTP site setup FAQ
Setting up Docker
Setting up GitLab
Setting up RabbitMQ
Setting up PostgreSQL primary-secondary architecture
Deploying Oracle
Deploying Ceph
Manually deploying high-performance databases: selection and performance test
Deploying databases
Manually deploying MySQL databases on Windows instances
Building game servers
Manually setting up Palworld servers
Setting up Palworld servers via a Docker script
Setting up Palworld servers via a non-Docker script
Manually setting up Enshrouded servers
Building websites
Building a WordPress blog
Setting up a WordPress blog website (CentOS 7)
Setting up a WordPress blog website (Ubuntu 18.04)
Manually setting up a WordPress blog website (Windows)
Quickly setting up a WordPress blog website by using Baota Panel (Windows)
Setting up a Discuz forum website
Setting up a Ghost blog website
Setting up a Magento website
Setting up a Drupal website
Setting up a Moodle online course management system
Setting up a Joomla basic management platform
Building AMH and setting up a website
Building multiple websites
Setting up multiple websites (Linux)
Setting up multiple websites (Windows)
Manage software sources for Linux instances
Installing software by using the Volcano Engine repository
AIGC practices
Building ChatGLM-6B LLM
Setting up SDXL-Turbo model for text-to-image inference
Deploying Llama-2-7b-hf model for inference
Deploying AnimateDiff-Lightning model for text-to-video inference
Building system environment based on RAG with Intel® TDX for text generation inference
Deploying DeepSeek-R1-Distill model for text generation inference
Deploying optimized RAG framework on g4i instances
Deploying optimized WDL inference models on g4i instances
Deploying Intel iVTAL dynamic library on g4i instances to improve FFmpeg decoding and transcoding performance
Performance test
Baseline performance test for ECS instances
Using Sysbench to test ECS instance performance
Using Sysbench to test MySQL application performance
Testing storage performance
Testing local volume performance
Network performance test
Using iPerf3 to test network performance
Using Pktgen to test network performance
Using Netperf to test network performance
Testing network performance of 3rd-generation instances
Testing Nginx performance
Instance configuration
Batch configuring sequential instance names or hostnames
Creating accounts to log in to ECS instances
Console embedding - Using ECS Terminal to log in to instances in external systems
Installing visual interface on Linux OS
Entering Linux OS single-user mode
Configuring WSUS service for Windows OS
Setting Windows OS languages
Setting Windows OS scheduled tasks
Disabling Windows OS screen saver
Setting up AD Domain Services on Windows OS
Setting up AD Domain Services with a single domain controller
Setting up AD Domain Services with multiple domain controllers
Windows Multi - User Login
Configuring multi-user login in Windows 2019 instances
Applying for remote desktop license and activating ECS instance
Changing screen resolution
Overview
Setting Windows OS screen resolution
Changing Linux OS screen resolution
Instance data
Uploading or downloading files
Overview
Transferring files from local Windows system to Windows instance (MSTSC)
Transferring files from local Windows system to Linux instance (WinSCP)
Transferring files from local Linux system to Windows instance (via RDP)
Transferring files from local Linux or macOS system to Linux instance (via SCP)
Transferring files from local macOS system to Windows instance (MRD)
Transferring files from local Windows system to ECS instance (via FTP)
Transferring files from local Linux system to ECS instance (FTP)
Transferring files between Unix-like/Linux systems (SCP/Rsync/Netcat)
Data restoration
Recovering Windows instance data
Data disaster recovery and backup
Migrating data between ECS instances
ECS instance local time synchronization
Time synchronization service overview
Configuring NTP service for Linux instances (Ubuntu 18)
Configuring Chrony service for Linux instances (CentOS 7)
Configuring NTP service for Windows instances
Volume
Setting up automatic mounting of volume partitions upon boot
Setting up logical volumes with LVM (Linux)
Setting up RAID (Linux)
Setting up RAID (Windows)
Monitoring
Delivering event monitoring information to TLS
Delivering monitoring metrics of ECS instances to VMP
Querying and responding to "SystemMaintenance.Redeploy" events
Querying and responding to "InfrastructureUpgrade.Redeploy" events
Querying and responding to "SystemFailure.Reboot" events
Querying and responding to "SystemFailure.Redeploy" events
Security
Common ports for ECS instances
Configuring security group rules
Enhancing ECS instance security
Enhancing remote login security for ECS instances
Changing default ports for logging in to ECS instances remotely
Using Windows instance logs
Checking and verifying TDX features
Rapidly deploying ECS instances by calling OpenAPI
Images
License
Microsoft license and Software Assurance
Applying for license mobility (Windows)
Converting image format
Purchasing ECS instances with whole images
Changing boot mode from BIOS to UEFI for custom Linux images
Enabling Kdump service in Linux operating system
Enabling DHCP service in Linux image
Configuring CPU affinity for IRQ of network interface in Linux operating system
Configuring THP in Linux operating system
Kernel fine-tuning
Upgrading kernel version of Linux operating system
Configuring background asynchronous memory reclaim for Memcg
Configuring panic-induced crash restart feature in Linux operating system
Tuning net.ipv4.tcp_max_tw_buckets parameter in Linux operating system
Modifying use_threaded_interrupts parameter in Linux operating system
Modifying timeout parameters for NVMe disks in Linux operating system
Modifying RPS-related parameters in Linux operating system
Modifying net.core.somaxconn parameter in Linux operating system
Modifying net.ipv4.tcp_slow_start_after_idle parameter in Linux operating system
Modifying net.ipv4.tcp_mem parameter in Linux operating system
Modifying net.ipv4.udp_mem parameter in Linux operating system
Modifying rp_filter parameter in Linux operating system
Modifying arp_announce and arp_ignore parameters in Linux operating system
Enabling Kernel-mode Dump in Windows operating system
Installing or uninstalling system patches in Windows operating system
Copying text content from Windows instance accessed by using Safari or Edge browser
O&M
Using Ansible to install cloud assistant Agent
Batch changing login passwords/adding SSH public keys for instances
Batch installing Cloud Monitor plugin
Batch installing Virtio 1.1 driver
Batch expanding volume partitions and file systems
Performing orchestration with the least permissions
Configuring permissions for using custom commands
Building an automated O&M system for ECS instances through alert-triggered orchestration plans
Building an automated O&M system for ECS instances through event-triggered orchestration plans
Orchestration-based batch installation of cloud assistant Agent
Troubleshooting
Remote log in issue
What should I do if I cannot remotely connect to the instance?
Linux operating system issue
Methods to change the system limit parameters for Linux instances
Methods to adjust large-page memory for Linux instances
Solution for missing system accounts in Linux instances
Solution to the Linux instance kernel configuration issue causing abnormal NAT environment access to the instance
Windows operating system issue
What should I do if I cannot connect to a Windows instance remotely?
Methods to start the RDP service in Windows operating system instance
Solution for remote login failure for ECS instance with Windows system due to black screen
Solution for port conflict during remote login to a Windows system instance
Solution for unavailability of the system network interface in a Windows instance
Solution for the nonexistence of system users in Windows system instance
Methods to adjust the threshold for the account lockout policy in Windows instances
What do I do if the "As a security precaution, the user account has been locked because there were too many logon attempts or password change attempts." error message is displayed?
Solution for remote login failure for ECS instance with Windows system due to expired service authentication
Solution for "Because of a protocol error, this session will be disconnected. Please try connecting to the remote computer again." error occurred when local PC connects to Windows ECS instance via Remote Desktop
SSH log in issue
Enabling SSH for Linux instance
Solution for login failure due to SSH configuration
Solution for SSH start failure
How to resolve the issue of being unable to remotely log in to the instance via SSH after upgrading OpenSSL
Custom image issue
Why do I fail to log on to an instance created by using a Linux custom image from the Terminal or encounter network inaccessibility?
Operating system issue
Instructions on compatibility between AMD instance types and operating systems
veLinux operating system issue
How do I solve the disk Inflight I/O hang issue that occurs on ECS instances using the veLinux 1.0 image?
Linux operating system issue
How to solve the issue of expired Release/InRelease files in the Debian security APT software repository?
How to fix invalid software repository keys?
Solution for the occasional IO hang issue in third-generation DPU specification instances caused by operating system kernel issues
How do I resolve the hanging issue of the df -H command in a Linux instance?
How do I resolve the issue where there is no flags information in the output when I execute the lscpu command in CentOS 7?
What do I do if the root partition of the system disk does not expand automatically after I expand a volume of a Linux instance?
How do I resolve the issue where the mv command fails when executed on the /home directory in CentOS 7?
How do I resolve the abnormal kworker load issue caused by rhashtable problems in Debian 9?
How do I resolve the issue where the ext4 file system of a GPT partition cannot exceed 16 TiB when I resize the file system with resize2fs in Ubuntu 16.04?
Why does the GRUB_CMDLINE_LINUX parameter in the /etc/default/grub file not override the kernel command line parameters in all BLS snippets after I execute the grub2-mkconfig command?
Solutions for improper configuration of I/O timeout arguments for Linux instance NVMe disks
When starting a service in the Linux instance, the prompt appears: task: Cannot allocate memory
What do I do if performance degradation occurs on ECS instances using AMD CPUs after I update the operating system or kernel?
Performance degradation after the operating system of an ECS instance configured with Intel CPU is updated to a Linux public image
How do I resolve service anomalies caused by the DBus service connection limit?
Windows operating system issue
Methods to activate the Windows operating system for ECS instances
Solution for activation failure of Windows-based ECS instance
Solutions for Windows system unexpected restarts and blue screens
Uninstalling system patches for Windows instances
Updating Virtio driver in Windows instance
What do I do if garbled characters appear in the partition details displayed in cmd when the Chinese image of a Windows instance is changed to an English image?
Installation failure of .NET Framework 3.5 on Windows instance
Failure to change screen resolution for Windows instances in UEFI boot mode
Custom image issue
Solutions for errors that occur when using Tailor to create a custom image
Instance status issue
How to modify the kernel argument kernel.unknown_nmi_panic for a Linux instance
Instance unable to start issue
Solution for fixing 3rd-generation instances that fail to start due to Virtio driver issues
How to resolve the issue that the Virtio driver is deleted because GCC of a Linux image is uninstalled?
Solution of /etc/fstab configuration repair for Linux instances
Repair solution for corrupted file systems of Linux instances
How to remove local volume partitions from /etc/fstab file for Linux instances
Solution for softlock up issues of virtual machines
High instance load issue
Troubleshooting and solution for high CPU usage or load of ECS instance with Linux system
Troubleshooting and solution for high memory usage of ECS instance with Linux system
Troubleshooting and solution for high disk BPS/IOPS load of ECS instance with Linux system
Troubleshooting and solution for high disk load of ECS instance with Linux system
Troubleshooting and solution for high CPU usage or load of ECS instance with Windows system
Troubleshooting and solutions for high memory usage in ECS instances running on Windows systems
Troubleshooting high disk load for Windows ECS instances
Solutions for Windows/Linux system performance degradation caused by frequent split lock triggers in the code
GPU instances issue
Solution for RDMA network configurator exceptions
Solution for nvidia-fabricmanager.service status exception
Solution for unloading of kernel modules required by NVIDIA
Solution for link exceptions in NVML link libraries
Network connection issue
Solution for network unavailability on Linux systems
Enabling or disabling the system firewall on a Linux instance
Methods to install and configure DHCP servers for Windows instances
Methods to reset the proxy for Windows instances
Configuring firewall policies for ECS instances on Windows Server
Network configuration issue
Recommended network configuration solutions
Configuring static IP address (Static mode) for Linux instances
How to enable TCP SACK for Linux instances to improve network performance
Storage classes issue
EBS Volume issue
How to resolve FIO stress-test errors on CentOS 7.x instances with NVMe SSD local pass-through disks?
How to resolve the issue that the kworker hangs when it detaches a disk device from a Linux ECS instance?
Troubleshooting unrecognition of volumes mounted to DPU instances with Ubuntu 16.04 and 18.04
Method for checking residual items of disk drivers in Windows ECS instances
How to handle "Not Initialized" disks on Windows
Local Disk issue
How to handle hangs when mounting file systems for Local SSD instances
Failure in recognizing local data volumes after creating Big Data ECS instances with Windows images
Method for upgrading FW version of NVME disks in Linux system
Memory issue
OOM handling methods for Linux instances
Why does prolonged high I/O or unresponsiveness occur before OOM in veLinux 1.0 CentOS Compatible Edition image compared to a community-version CentOS image?
Solution for Windows instance lag due to excessive hardware-reserved memory
Logs and monitoring issue
How to resolve the failure in collecting monitoring data by Cloud-monitor-agent of ECS instances?
Third - party software issue
Methods to uninstall or delete applications and programs in Windows instances
API Reference
Overview
API overview
API error code list
Call methods
Request structure
Service endpoint
Common parameters
Signature method
API response
Regions and availability zones
DescribeRegions - Queries regions
DescribeZones - Queries availability zones
Instances
RunInstances - Creates instances
AllocateInstances - Creates instances across multiple availability zones
StartInstance - Starts an instance
StartInstances - Starts instances
StopInstance - Stops an instance
StopInstances - Stops instances
RebootInstance - Restarts an instance
RebootInstances - Restarts instances
DeleteInstance - Deletes an instance
DeleteInstances - Deletes instances
DescribeInstances - Queries instances
DescribeAvailableResource - Queries availability zone resources
DescribeInstanceTypes - Queries the list of instance types
DescribeInstanceTypeFamilies - Queries instance type families
DescribeUserData - Queries instance custom data
ModifyInstanceMetadataOptions - Modifies the access mode of instance metadata
DescribeInstanceECSTerminalUrl - Queries the ECS Terminal address of an ECS instance
DescribeInstanceVncUrl - Queries VNC management terminal address
RenewInstance - Renews an instance
ModifyInstanceAttribute - Modifies instance information
ModifyInstanceSpec - Modifies instance type
ModifyInstancesSpec - Modifies the types of multiple instances at one time
ModifyInstanceChargeType - Changes the billing methods of instances
AssociateInstancesIamRole - Associates IAM roles with instances
DisassociateInstancesIamRole - Disassociates IAM role from instances
DescribeInstancesIamRoles - Queries IAM roles associated with instances
DescribeSpotAdvice - Queries the average release rate of spot instances over the past 30 days
DescribeSpotPriceHistory - Queries historical prices of spot instances
ModifyInstanceVpcAttribute - Modifies VPC information of an instance
PurchaseReservedInstances - Purchases Reserved Instances
DescribeReservedInstances - Queries Reserved Instances
ModifyReservedInstances - Changes Reserved Instances (RI)
CreateScheduledInstances - Creates ESIs
DescribeScheduledInstances - Queries ESI orders
DeleteScheduledInstance - Cancels scheduled Elastic Scheduled Instances (ESI)
DescribeScheduledInstanceStock - Queries the reservation status of Elastic Scheduled Instances
GetScheduledInstanceLatestReleaseAt - Queries the latest release time of Elastic Scheduled Instances-Segmented
Images
DescribeImages - Queries images
CreateImage - Creates images
DescribeImageSharePermission - Queries image sharing information
ImportImage - Imports images
ExportImage - Exports images
CopyImage - Copies images
ModifyImageSharePermission - Modifies image sharing-related information
ModifyImageAttribute – Modifies image information
DescribeTasks - Queries request progress
ReplaceSystemVolume - Changes operating systems
DeleteImages - Deletes images
DetectImage - Detects images
DescribeAutoInstallPackages - Queries automatic installation packages supported by images and instance type families
HPC clusters
CreateHpcCluster - Creates HPC clusters
DescribeHpcClusters - Queries detailed list of HPC clusters
DeleteHpcCluster - Deletes HPC clusters
DescribeHpcInstancePosition - Queries network location of an HPC instance
Key pairs
ImportKeyPair - Imports key pairs
CreateKeyPair - Creates key pairs
DescribeKeyPairs - Queries key pair list
ModifyKeyPairAttribute - Modifies key pair information
AttachKeyPair - Associates key pairs
DetachKeyPair - Disassociates key pairs
DeleteKeyPairs - Deletes key pairs
Tags
TagResources - Creates tags (new version)
UntagResources - Deletes tags (new version)
ListTagsForResources - Queries tagged resources (new version)
CreateTags - Creates tags (earlier version)
DeleteTags - Deletes tags (earlier version)
DescribeTags - Queries tagged resources (earlier version)
Volume tag
CreateTags - Create Tags
DeleteTags - Delete Tags
DescribeTags - Query Tags
Volumes
CreateVolume - Create a volume
DeleteVolume - Delete volume
AttachVolume - Mount volume
DetachVolume - Unmount volume
ExtendVolume - Expand volume
RollbackVolume - Roll back volume
ModifyVolumeSpec - Volume Specification Change
DescribeVolumes - Query volume information
DescribeVolumeType - Query volume types
ModifyVolumeAttribute - Modify volume attributes
ModifyVolumeChargeType - Switch volume billing method
ModifyVolumeExtraPerformance - Adjust extra performance package for volume
CalculatePriceV2 - Pricing API V2
ReInitializeVolume - Reinitialize volume
Reserved storage capacity
DescribeReservedStorageCapacity - Query reserved storage capacity package
PurchaseReservedStorageCapacity - Purchase reserved storage capacity package
ModifyReservedStorageCapacityEffectiveAt - Change the effective time of the Reserved Storage Capacity package
Storage placement group
CreatePlacementGroup - Create Placement Group
DescribePlacementGroups - Query Placement Groups
DescribePlacementGroupDetails - Query placement group volumes
ModifyPlacementGroup - Modify placement group
DeletePlacementGroup - Delete Placement Group
Snapshot
CreateSnapshot - Create Snapshot
DeleteSnapshot - Delete snapshot
DescribeSnapshots - Query snapshots
ModifySnapshotAttribute - Modify snapshot properties
DescribeSnapshotChains - Query snapshot chains
DescribeSnapshotsUsage - Query snapshot usage
Auto snapshot policy
CreateAutoSnapshotPolicy - Create an automatic snapshot policy
DeleteAutoSnapshotPolicy - Delete automatic snapshot policy
ModifyAutoSnapshotPolicy - Edit automatic snapshot policy attributes
DescribeAutoSnapshotPolicy - Query automatic snapshot policy
ApplyAutoSnapshotPolicy - Apply automatic snapshot policy
CancelAutoSnapshotPolicy - Remove auto snapshot policy
Snapshot group
Create snapshot consistency group
DescribeSnapshotGroups - Query snapshot consistency groups
ModifySnapshotGroup - Modify snapshot consistency group properties
DeleteSnapshotGroup - Delete snapshot consistency group
RollbackSnapshotGroup - Roll back snapshot consistency group
Monitoring
DescribeEventTypes - Queries the list of system event types
DescribeSystemEvents - Queries system events
UpdateSystemEvents - Modifies system event statuses
CreateSubscription - Subscribes to event notifications
ModifySubscriptionEventTypes - Modifies subscription event types
DescribeSubscriptions - Queries event notification subscriptions
ModifySystemEventDefaultAction - Modifies default O&M operations of events
DescribeSystemEventDefaultAction - Queries default event O&M operations
appendix
Subscribing to and modifying event types
O&M
GetConsoleOutput - Obtains command-line output
GetConsoleScreenshot - Obtains a screenshot
Deployment sets
CreateDeploymentSet – Creates a deployment set
DescribeDeploymentSets - Queries deployment sets
DescribeDeploymentSetSupportedInstanceTypeFamily - Queries instance type families that support deployment sets
ModifyDeploymentSetAttribute - Modifies deployment set information
ModifyInstanceDeployment - Adjusts deployment sets
DeleteDeploymentSet - Deletes a deployment sets
Launch templates
CreateLaunchTemplate - Creates instance launch templates
CreateLaunchTemplateVersion - Creates versions of instance launch templates
DescribeLaunchTemplates - Queries instance launch templates
DescribeLaunchTemplateVersions - Queries instance launch template versions
ModifyTemplateDefaultVersion - Modifies the default version of an instance launch template
DeleteLaunchTemplateVersion - Deletes an instance launch template
DeleteLaunchTemplateVersion - Deletes versions of instance launch templates
Cloud assistant
CreateCommand - Creates custom commands
ModifyCommand - Modifies custom commands
DeleteCommand - Deletes custom commands
DescribeCommands - Queries command lists
RunCommand - Executes commands
InvokeCommand - Executes commands
StopInvocation - Stops executing jobs
DescribeInvocations - Queries task lists
DescribeInvocationInstances - Queries task execution object lists
DescribeInvocationResults - Views command execution results
InstallCloudAssistant - Installs cloud assistant Agent
UpgradeCloudAssistants - Upgrades cloud assistant Agent
UninstallCloudAssistants - Uninstalls cloud assistant Agent
DescribeCloudAssistantStatus - Queries installation status of cloud assistant Agent on instances
Patch management
CreatePatchPlan - Creates a patch plan
ListPatchPlans - Queries the list of patch plans
GetPatchPlan - Obtains details of a patch plan
ListPatchPlanTasks - Queries the list of patch plan execution tasks
ListInstancePatches - Queries the instance patch installation status
CancelPatchPlan - Cancels a patch plan
DeletePatchPlan - Deletes a patch plan
CreatePatchBaseline - Creates a patch baseline
ListPatchBaselines - Queries the list of patch baselines
RegisterDefaultPatchBaseline - Sets the default patch baseline
DeletePatchBaseline - Deletes a patch baseline
GetPatchBaseline - Obtains details of a patch baseline
UpdatePatchBaseline - Updates a patch baseline
ListInstancePatchReports - Queries the list of instance compliance reports
ListPatchProperties - Queries patch metadata
API release notes
SDK reference
ECS SDK overview
Viewing SDK sample code
CLI Reference
CLI overview
Installing CLI
Configuring CLI
Using CLI
FAQ
Instance FAQ
ESI FAQ
Login and connection FAQ
Image FAQ
Network FAQ
Security FAQ
Volume FAQ
Billing FAQ
Monitoring FAQ
O&M FAQ
Terms
Service-Specific Terms for VolcanoEngine Elastic Compute Service
VolcanoEngine ECS_Service Level Agreement
VolcanoEngine EBM_Service Level Agreement
VolcanoEngine HPC_Service Level Agreement
Dedicated Host DDH
What's New
New feature release notes
Overview
What is DDH
Applicable scenarios
Benefits
Features
Limits
DDH specifications
DDH lifecycle
Billing
DDH and instance billing
Instructions on expiration
Instructions on arrears
Instructions on renewal and unsubscription
Taxes
Getting started
Overview of DDH usage process
Preparations
Creating DDHs and deploying instances
User Guide
Creating dedicated host (DDH)
Creating ECS instance on DDH
Viewing hosts of ECS instances
Manage Dedicated Host
Setting CPU oversubscription ratio
Setting automatic deployment
Modifying DDH information
Associating instance with DDH
Renewing DDHs
Releasing DDHs
Manage Dedicated Host Cluster
Creating DDH clusters
Changing clusters of DDHs
Creating instances in host cluster
Deleting DDH clusters
Manage ECS instances
Changing instance type
Migrating ECS instances between DDHs
Migrating ECS instances from DDHs to shared hosts
Migrating ECS instances from shared hosts to DDHs
Monitoring and O&M
Migrating DDHs at risk of failure
Monitoring DDHs
API reference
Overview
DDH API overview
API error code list
Call methods
Request structure
Common parameters
Signature method
API response
proprietary host
AllocateDedicatedHosts - Applies for DDHs
DescribeDedicatedHostTypes - Queries DDH specification information
DescribeDedicatedHosts - Queries DDH information
ModifyDedicatedHostAttribute - Modifies DDH attributes
RenewDedicatedHost - DDH renewal
ModifyInstancePlacement - Adjusts deployment settings for an instance on a DDH
RedeployDedicatedHost - Replaces the host for a DDH
CreateDedicatedHostCluster - Creates a DDH cluster
DescribeDedicatedHostClusters - Queries DDH cluster information
ModifyDedicatedHostClusterAttribute - Modifies DDH cluster attributes
DeleteDedicatedHostCluster - Deletes a DDH cluster
ECS instances
API release history
FAQ
DDH FAQ
Instance FAQ
Billing FAQ
Related Terms
Documentation
Elastic Compute Service
Elastic Compute Service
User Guide
Tags and projects
Managing projects
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Tags and projects
Managing projects
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Managing projects
Last updated: 2026.06.24 17:17:26