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Step 2: Discover Alibaba Cloud ECSs Prerequisites You have completed all preparations. You have installed the MgC Agent in the source environment and connected it to MgC. Procedure Sign in to the MgC console. In the navigation pane, under Project, select an application migration project
Upgrading Major Version of a DCS Redis 3.0 Instance DCS has discontinued Redis 3.0. Redis 3.0 has aged, and is out of updates in the open community. You are advised to upgrade your DCS Redis 3.0 instances as soon as possible. DCS for Redis of higher versions are compatible with Redis
Scanning and Deleting Expired Keys in a DCS Redis Instance There are two ways to delete a key in Redis. Use the DEL command to directly delete a key. Use commands such as EXPIRE to set a timeout on a key. After the timeout elapses, the key becomes inaccessible but is not deleted immediately
Enabling Public Access of a DCS Redis 3.0 Instance If public access has been enabled for the instance, skip this section. If public access is not enabled, follow the instructions in this section. You can enable or disable SSL encryption when enabling public access. Before accessing
Accessing a DCS Memcached Instance (Discontinued) Configuring a Memcached Password Connecting to Memcached on a Client
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
Enterprise Project Management Service (EPS) Organizations provides your with Service Control Policies for access control. SCPs do not actually grant any permissions to a principal. They only set the permissions boundary for the principal. When SCPs are attached to an organizational
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
Troubleshooting High Bandwidth Usage of a DCS Redis Instance Overview Redis instances are close to application services, and therefore they process a large amount of data access requests and use network bandwidth. The maximum bandwidth varies depending on the instance specifications
Troubleshooting High CPU Usage of a DCS Redis Instance Symptom The CPU usage of a Redis instance increases dramatically within a short period of time. If the CPU usage is too high, connections may time out, and master/standby switchover may be triggered. Possible Causes The service
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
What Underlying Framework Is Used for Huawei Cloud BCS? Huawei Cloud BCS uses the Hyperledger open-source framework. Hyperledger is a blockchain open-source project hosted by the Linux Foundation to establish an underlying architecture for the distributed ledger platform oriented
What Do I Do If the ACS Is Acting Abnormal? Do as follows for troubleshooting: Check the hard terminal version. Log in to the web interface of the hard terminal, choose Help > Version, and check whether the software running on your hard terminal is of the recommended version. If it
Example 3: Deleting DCS Redis Instances in Batches Scenario This section describes how to delete DCS Redis instances in batches by calling APIs. For details about how to call APIs, see Calling APIs. Involved APIs Call APIs to perform the following steps required to delete DCS Redis
Implementing Automatic DCS Redis Expansion During Peak Hours Scenarios and Pain Points Redis is used as cache at ultra-low latency in strong real-time scenarios such as e-commerce, gaming, and social networking. The memory usage and network throughput of a DCS instance surge during
