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Viewing and Modifying Basic Settings of a DCS Instance On the DCS console, you can view and modify DCS instance basic information. Viewing and Modifying Basic Information of a DCS Instance Log in to the DCS console. Click in the upper left corner of the management console and select
Upgrading Minor or Proxy Versions of a DCS Instance DCS optimizes functions and fixes vulnerabilities in minor and proxy upgrades. This section describes how to upgrade the minor or proxy version of an instance. Upgrading the minor or proxy version does not affect the instance connection
Backup Import Between DCS Redis Instances You can migrate data between DCS instances by importing backup files. Notes and Constraints To migrate to an instance with SSL enabled, disable the SSL setting first. For details, see Transmitting DCS Redis Data with Encryption Using SSL.
Viewing Slow Queries of a DCS Redis Instance Redis logs queries that exceed a specified execution time. You can view the slow logs on the DCS console to identify performance issues. Configure slow queries with the following parameters: slowlog-log-slower-than: The maximum time allowed
Changing Cluster DCS Instances to be Across AZs To implement disaster recovery, cluster instances (whose master and standby nodes are) in a single AZ can be deployed across AZs by migrating the standby nodes to other AZs. Notes and Constraints Available only for single-AZ cluster
DCS for Memcached Instances Should Not Use EIPs Rule Details Table 1 Rule details Parameter Description Rule Name dcs-memcached-no-public-ip Identifier DCS for Memcached Instances Should Not Use EIPs Description If a DCS for Memcached instance has an EIP attached, this instance is
DCS for Redis Instances Should Not Use EIPs Rule Details Table 1 Rule details Parameter Description Rule Name dcs-redis-no-public-ip Identifier DCS for Redis Instances Should Not Use EIPs Description If a DCS for Redis instance has an EIP bound, this instance is non-compliant. Tag
Does CSBS Support Cross-Region Backup for ECSs? No. Currently CSBS supports only backup and restoration within a region but not across regions. Parent topic: About Backup
Is VOD Only Available on Huawei Cloud ECSs? You do not need to purchase Huawei Cloud ECSs for using VOD. You only need to prepare a licensed domain name. For details, see Getting Started. Parent topic: Product Consulting
Does CSBS Support Cross-Region Backup for ECSs? No. Currently CSBS supports only backup and restoration within a region but not across regions. Parent topic: About Backup
EOS Announcement for DLI Flink 1.10 and Flink 1.11 Description Huawei Cloud initiated an end of service (EOS) for DLI Flink 1.10 and Flink 1.11 at 00:00:00 (GMT+08:00) on December 31, 2023. Impact After the EOS, no technical support will be provided for DLI Flink 1.10 and Flink 1.11
Does DCS for Redis Support Redis Clusters? Yes. DCS Redis 4.0 and later basic edition instances support native clusters (Redis Cluster) Parent topic: Feature
Does DCS for Redis Support Cross-AZ Deployment? Master/Standby, read/write splitting, and cluster DCS Redis instances can be deployed across availability zones (AZs). If instance nodes in an AZ are faulty, nodes in other AZs will not be affected. The standby node automatically becomes
Does DCS for Redis Support Command Audits? Auditing commands affects read and write performance. Currently, only Proxy Cluster DCS Redis 4.0 and later instances support command audit logs in certain regions. For details, see Viewing Audit Logs of a DCS Redis Instance. Parent topic
What Memcached Version Is Compatible with DCS for Memcached? DCS for Memcached is based on Redis 3.0 and is compatible with Memcached 1.5.1. Parent topic: Memcached Usage
How Does DCS Delete Expired Keys? Question What are the rules for scheduled deletion of expired keys on a daily basis? Can I customize the rules? Mechanisms for Deleting Expired Keys Lazy free deletion: The deletion strategy is controlled in the main I/O event loop. Before a read/
What DCS Instance Type Changes Are Supported? Table 1 Instance type change options supported by different DCS instances Version Supported Type Change Precautions Redis 3.0 From single-node to master/standby The instance cannot be connected for several seconds and remains read-only
Example 1: Creating a DCS Redis Instance Scenario This section describes how to create a DCS Redis instance by calling APIs. For details about how to call APIs, see Calling APIs. A 2 GB single-node DCS Redis 5.0 instance is used as an example. The instance uses the Arm CPU architecture
Common Issues of Creating DCS Instances Using an API This topic describes common issues that may occur when you create DCS instances using APIs. Table 1 Common issues of creating DCS instances Issue Solution Setting the Replica Quantity When Purchasing an Instance Using an API If
Troubleshooting High Memory Usage of a DCS Redis Instance Symptom Redis provides fast database services. If the memory is insufficient, keys may be frequently evicted, the response time may increase, and the QPS may be unstable, affecting service running. This is normal due to Redis
