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DCS Best Practices This section summarizes best practices of Distributed Cache Service (DCS) in common scenarios. Each practice is given a description and procedure. Table 1 DCS best practices Best Practice Description Serializing Access to Frequently Accessed Resources Describes
Deploying an Application on ECS Purchasing and Configuring an ECS This section uses Elastic Cloud Server (ECS). You can also use your own Linux host that runs Ubuntu 16.04 OS. Buy an ECS. The following table lists mandatory configurations. You can also select other configurations
ECS Specifications for CloudPond This section describes the specifications supported by CloudPond. General Computing General Computing-plus Memory-Optimized For details, see Specifications. For details about how to purchase an ECS, see Creating an ECS at an edge site. General Computing
Changing an OS to HCE Constraints If you want to change the OS of a yearly/monthly ECS, the system disk capacity may be insufficient for the new image. If this is the case, you need to detach the system disk from the ECS and expand its capacity before changing the OS. There must be
Security Updates for HCE Security Updates Overview About CVE Yum Command Parameters Querying Security Updates Checking for Security Updates Installing Security Updates
Modifying ECS Details Function This API is used to modify ECS details. Only the name and description of an ECS can be modified. This API supports checking fine-grained permissions for enterprise projects. For details, see ecs:cloudServers:updateServer. Constraints This API is used
Cold Migrating an ECS Function An ECS deployed on a DeH can be migrated to another DeH. An ECS deployed on a DeH can be migrated to a public resource pool. An ECS deployed in a public resource pool can be migrated to a DeH. This API is an asynchronous API. After the cold migration
Modifying the Specifications of an ECS Function This API is used to modify ECS specifications. This API is an asynchronous API. After the specifications modification request is successfully delivered, a job ID is returned. This does not mean the modification is complete. You need
Querying NICs of an ECS Function This API is used to query NICs of an ECS. URI GET /v1/{project_id}/cloudservers/{server_id}/os-interface Table 1 describes the parameters in the URI. Table 1 Parameter description Parameter Mandatory Description project_id Yes Specifies the project
Changing a VPC for an ECS Function This API is used to change a VPC for an ECS. This API is an asynchronous API. After the VPC change request is successfully delivered, job_id is returned. This does not mean the VPC change is complete. You need to call the API by referring to Querying
Attaching a Disk to an ECS Function This API is used to attach a disk to an ECS. This API is an asynchronous API. After the attachment request is successfully delivered, a job ID is returned. This does not mean the attachment is complete. You need to call the API by referring to Querying
Updating ECS Metadata Function This API is used to update ECS metadata. If the metadata does not contain the target field, the field is automatically added. If the metadata contains the target field, the field value is automatically updated. If the field in the metadata is not requested
Querying Tags of an ECS Function This API is used to query the tags of a specified ECS. The Tag Management Service (TMS) uses this API to query all tags of an ECS. This API supports checking fine-grained permissions for enterprise projects. For details, see ecs:cloudServers:showServerTags
ECS Group Management Creating an ECS Group Deleting an ECS Group Adding an ECS to an ECS Group Removing an ECS from an ECS Group Querying ECS Groups Querying Details About an ECS Group Parent topic: APIs
Creating an ECS Group Function This API is used to create an ECS group. Constraints Only anti-affinity groups are supported. URI POST /v1/{project_id}/cloudservers/os-server-groups Table 1 describes the parameters in the URI. Table 1 Parameter description Parameter Mandatory Description
Deleting an ECS Group Function This API is used to delete an ECS group. URI DELETE /v1/{project_id}/cloudservers/os-server-groups/{server_group_id} Table 1 describes the parameters in the URI. Table 1 Parameter description Parameter Mandatory Description project_id Yes Specifies the
Querying ECS Groups Function This API is used to query ECS groups. URI GET /v1/{project_id}/cloudservers/os-server-groups?limit={limit}&marker={marker} Table 1 describes the parameters in the URI. Table 1 Path parameters Parameter Mandatory Description project_id Yes Specifies the
Attaching a Disk to an ECS Scenarios If the existing disks of an ECS fail to meet service requirements, for example, due to insufficient disk space or poor disk performance, you can attach more available disks to the ECS, or call the EVS disk creation API to create disks and attach
Attaching a NIC to an ECS Scenarios If an ECS requires multiple NICs, you can call the API for creating NICs and attach them to the ECS. A NIC can be attached by setting the nics parameter during ECS creation or after the ECS is created. This section describes how to attach a NIC
ECS Status Management Permission API Action Dependencies IAM Project Enterprise Project Authorization by Instance Authorization by Tag Changing an ECS OS POST /v2/{project_id}/cloudservers/{server_id}/changeos ecs:cloudServers:changeOS - Supported Supported Supported Supported Changing
