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Common DCS Metrics This section describes common Redis metrics. Table 1 Common metrics Metric Description Maximum 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
Monitored DCS Events Introduction Event monitoring provides event collection, query, and alarm reporting. These major events or DCS operation events can be collected to Cloud Eye to alarm. Namespace SYS.DCS Monitored events Table 1 DCS events Event Name Event ID Event Severity Description
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)
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
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)
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
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. Authorization Information Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions
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. Authorization Information Each account
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. Authorization Information Each account has all the permissions required to call all APIs, but IAM users
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. Authorization Information Each account has all the permissions required to call all APIs, but IAM users must be assigned the
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. Authorization Information Each account has all the permissions required to call all APIs, but IAM users must be assigned the
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
