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Common DCS Metrics This section describes common Redis metrics. Table 1 Common metrics Metric Description CPU Usage This metric indicates the maximum value in each measurement period (minute-level: every minute; second-level: every 5 seconds). For a single-node or master/standby instance
Deleting a DCS Instance On the DCS console, you can delete one or multiple DCS instances at a time. You can also delete all instance creation tasks that have failed to run. Notes and Constraints The DCS instances exist, and must be in the Running, Faulty, or Stopped state. Deleting
Selecting DCS Products Select a DCS Redis instance based on your service scenarios, performance requirements, and budget. This document provides references for selecting product editions, instance types, and instance specifications. Selecting a Product Edition Table 1 Product editions
DCS Instance Types Single-Node Redis Master/Standby Redis Proxy Cluster Redis Redis Cluster Read/Write Splitting Redis Comparing DCS Redis Instance Types Single-Node Memcached (Discontinued) Master/Standby Memcached (Discontinued)
DCS Instance Specifications Redis 4.0/5.0/6.0/7.0 Redis 6.0 Enterprise Edition Redis 3.0 Instance Specifications (Discontinued) Memcached Instance Specifications (Discontinued)
What Is DCS? Huawei Cloud Distributed Cache Service (DCS) is an online, distributed, fast in-memory cache service compatible with Redis. It is reliable, scalable, usable out of the box, and easy to manage, meeting your requirements for high read/write performance and fast data access
Manually Renewing a DCS Instance To use a yearly/monthly DCS instance longer, renew the subscription anytime on the console as long as the instance is not automatically deleted due to expiration. Renewing a Subscription on the Cloud Service Console Log in to the console. Click in
Batch Deleting DCS Instances Function This API is used to delete multiple DCS instances at a time. Calling Method For details, see Calling APIs. URI DELETE /v2/{project_id}/instances Table 1 Path Parameters Parameter Mandatory Type Description project_id Yes String Project ID. For
Backing Up a DCS Instance Function This API is used to back up a specific DCS instance. Only master/standby and cluster DCS instances can be backed up and restored, while single-node instances cannot. Calling Method For details, see Calling APIs. URI POST /v2/{project_id}/instances
Querying All DCS Instances Function This API is used to query DCS instances of a tenant, and allows you to specify query criteria. Calling Method For details, see Calling APIs. URI GET /v2/{project_id}/instances Table 1 Path Parameters Parameter Mandatory Type Description project_id
Querying DCS Instance Statuses Function This API is used to query the number of instances in different states. Calling Method For details, see Calling APIs. URI GET /v2/{project_id}/instances/status Table 1 Path Parameters Parameter Mandatory Type Description project_id Yes String
Querying Tags of a DCS Instance Function This API is used to query the tags of an instance by its instance ID. Calling Method For details, see Calling APIs. URI GET /v2/{project_id}/instances/{instance_id}/tags Table 1 Path Parameters Parameter Mandatory Type Description project_id
Modifying Details of a DCS Instance Function This API is used to modify the information about a DCS instance, including the instance name, description, port, backup policy, start and end time of the maintenance window, and security group. Calling Method For details, see Calling APIs
Deleting a Single DCS Instance Function This API is used to delete a specified DCS instance to free up all resources occupied by the DCS instance. To delete pay-per-use resources, perform operations in this section. To unsubscribe from resources billed in yearly/monthly mode, see
Batch Deleting DCS Instances Function This API is used to delete multiple DCS instances at a time. URI DELETE /v1.0/{project_id}/instances?allFailure={allFailure} Table 1 describes the parameters. Table 1 Parameter description Parameter Type Mandatory Description project_id String
Scaling Up a DCS Instance Function This API is used to scale up a DCS Redis or Memcached instance in the Running state. URI POST /v1.0/{project_id}/instances/{instance_id}/extend Table 1 describes the parameters. Table 1 Parameter description Parameter Type Mandatory Description project_id
Querying DCS Instance Status Function This API is used to query the number of instances in different states. URI GET /v1.0/{project_id}/instances/status?includeFailure={includeFailure} Table 1 describes the parameters. Table 1 Parameter description Parameter Type Mandatory Description
Changing the Password of a DCS Instance Function This API is used to change the password of a DCS instance. URI PUT /v1.0/{project_id}/instances/{instance_id}/password Table 1 describes the parameters. Table 1 Parameter description Parameter Type Mandatory Description project_id String
Backing Up a DCS Instance Function This API is used to back up a specified DCS instance. Only master/standby and cluster DCS instances can be backed up and restored, while single-node instances cannot. URI POST /v1.0/{project_id}/instances/{instance_id}/backups Table 1 describes the
Merging Game Servers with DCS Overview Application Scenario Merging game servers is a strategy for some large online games. After running a game for a while, game providers set up a new server to attract new players. As users shift to the new server, game developers usually merge
