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Flashing E-commerce Sales with DCS Overview Application Scenario An e-commerce flash sale is like an online auction. To attract customers, merchants release a small number of scarce offerings on the platform. Platforms receive dozens or even hundreds of more order placements than
Viewing DCS Audit Logs With CTS, you can query, audit, and review operations performed on cloud resources. Traces include the operation requests sent using the management console or open APIs as well as the results of these requests. DCS Operations Supported by CTS Table 1 DCS operations
Adjusting DCS Instance Bandwidth Generally, Redis instances save and obtain data in the data layer closer to application services, which consumes the network bandwidth. Rate limits may occur when the instance bandwidth is insufficient, causing increased service latency or client connection
Accessing a DCS Redis Instance Configuring Redis Network Connections Controlling DCS Redis Access Connecting to Redis on a Client Connecting to Redis on the Console Public Access to a DCS Redis 3.0 Instance (Discontinued)
DCS Backup and Restoration Overview There is a small chance that dirty data could exist in a DCS instance owing to service system exceptions or problems in loading data from persistence files. In addition, some systems demand not only high reliability but also data security, data
Applying for More DCS Quotas What Is Quota? A quota is a limit on the quantity or capacity of a certain type of service resources that you can use, for example, the maximum number of DCS instances that you can create and the maximum amount of memory that you can use. If a quota cannot
Starting or Stopping a DCS Instance Redis 4.0 and later instances support instance stop. When an instance is stopped, data reading or writing is stopped so that the instance cannot be modified, configured, backed up, or migrated. You can neither change the password nor analyze the
Exporting a DCS Instance List A list of instance information can be exported and downloaded in Excel on the DCS console. You can view or compare DCS instance information. Procedure Log in to the DCS console. Click in the upper left corner of the console and select the region where
Switching a DCS Instance's Subnet To scale a DCS instance, subnet IP addresses may be insufficient. In this case, switch the subnet. This document describes how to switch an instance's subnet. Currently in restricted use and disabled by default. To use this function, submit a ticket
DCS Data Migration Overview The DCS console supports online and backup (file) migration with intuitive operations. Incremental data can be migrated online. Online migration is suitable when the source Redis instance supports the SYNC and PSYNC commands. Data in the source Redis instance
Controlling DCS Redis Access Configuring DCS Redis Access Whitelist Configuring a Redis Password Transmitting DCS Redis Data with Encryption Using SSL Configuring DCS Redis ACL Users Parent Topic: Accessing a DCS Redis Instance
Buying a DCS Redis Instance Fully compatible with open-source Redis, Distributed Cache Service (DCS) for Redis is a high-speed in-memory data processing engine provided by Huawei Cloud. You can purchase Redis instances with specific computing power and storage space as needed. Video
Configuring DCS Instance Tags Tags facilitate DCS instance identification and management. Tags can be added in instance creation, or added or deleted for an instance later. If your organization has configured tag policies for DCS, add tags to DCS instances based on the tag policies
Diagnosing a DCS Redis Instance If a fault or performance issue occurs, you can ask DCS to diagnose your instance to learn about the cause and impact of the issue and how to handle it. Notes and Constraints DCS Redis 3.0 and Memcached instances do not support diagnosis. New instances
Configuring DCS Monitoring and Alarms This section describes the alarm rules of some metrics and how to configure the rules. In actual scenarios, configure alarm rules for metrics by referring to the following alarm policies. Alarm Policies for DCS Redis Instances Table 1 DCS Redis
Viewing DCS Background Tasks After you initiate certain instance operations such as scaling up the instance and changing or resetting a password, a background task will start for each operation. On the DCS console, you can view the background task status and clear task information
Creating a DCS Event Notification Cloud Eye can monitor DCS events. Master/Standby instance switchovers, abnormal Redis nodes, and data migration failures can be notified. When setting an event notification, if Topic subscriptions is enabled, Simple Message Notification (SMN) will
Modifying DCS Instance Specifications On the DCS console, you can change DCS Redis or Memcached instance specifications including the instance type, memory, and replica quantity. Modifying instance specifications does not affect the connection address, password, security group, and
Clearing DCS Instance Data To clear instance data, use the FLUSHDB or FLUSHALL commands on accessed instances, or the data clearance function on the DCS console. This section describes how to use the function to clear instance data with one click. Clearing instance data may cause
Listing DCS Instance Backup Records Function This API is used to query the backup records of a specific DCS instance. Calling Method For details, see Calling APIs. URI GET /v2/{project_id}/instances/{instance_id}/backups Table 1 Path Parameters Parameter Mandatory Type Description
