After purchasing Tencent Cloud Distributed Cache, you can intuitively and quickly view detailed instance information in the console, including: the instance's operational status, capacity usage, master-slave relationships in the cluster, network status, and perform efficient Ops management on the instance.
2. On the instance list page, select the region in the upper-left corner.
3. In the instance list, locate the target instance. You can use the search box in the upper-right corner of the instance list to enter the instance ID, instance name, private IP address, or tag key to search for the target instance. Only instance name supports fuzzy search.
Note：
If the target instance is not found in the instance list, select Recycle Bin in the left sidebar to confirm whether the instance is isolated in the recycle bin due to expired fees. If you need to restore the instance, see Restoring Isolated Instance.
4. View the target instance information, such as the status, specification, and storage engine.
Instance Information List
Description
Instance ID/Name
Instance ID: The unique ID of the instance.
Name: The name set when the instance is created. Hover over the instance name and click
to rename it for easy identification and management.
Monitoring/Status/Task
Monitoring: Click
, on the monitoring panel, you can quickly view the monitoring metrics of the instance. For more information, see Monitoring at Five-Second Granularity.
Status: The running status of the instance. The normal status is Running.
Task: When there is a task to execute, the name of the task currently being executed by the instance will be displayed here, such as
Project
The project to which the instance belongs. A Tencent Cloud account can create multiple projects. In the Account Center > Project Management in the upper right corner in the console, you can create projects, manage projects, and view the consumption details of the entire project. If you need to transfer to another project, see Assigning Instance to Project.
AZ
The AZ information specified for the instance. If
appears to the right of the AZ, it indicates that the instance is deployed across multiple AZs. Hover over this icon to view the multi-AZ details of the instance.
Deployment Mode
Specify whether the instance is deployed across AZs.
Single-AZ: The current instance is deployed in the same AZ in the same region.
Multi-AZ: The current instance is deployed in different AZs in the same region.
Network
Displays the VPC name, subnet name, and private IPv4 address of the instance. Click the VPC name in blue font to view detailed network information. When the private IPv4 address is used to access the database, you need to configure this IP address. For specific operations, see Connecting to Instance.
Billing Mode
Billing Mode: pay-as-you-go or yearly/monthly subscription. For details, see Billing Overview.
Auto-Renewal
Specify whether the auto-renewal feature is enabled for the current instance.
Architecture
Database version information and architecture. For details about the architecture, see Storage Engine.
Instance Edition
Redis Edition: A high-performance version built upon the open-source Redis storage engine.
Memcached Edition: A version utilizing the Memcached storage engine.
ValKey Edition: A version powered by the ValKey storage engine.
Used/Total
The memory capacity used by the current instance and the total memory capacity.
Creation Time
The exact date and time when the instance was created.
Tag
Displays tag information for an instance. Instances can be managed by tags. For how to edit tags, see Editing Instance Tag.
Operation
Click Login to access the database via the DMC console. For specific operations, see Connecting to Instance.
You can click Configure and then select an operation as needed. Specifically, you can select Expand Node or Reduce Node to expand or reduce the instance node memory, select Add Replica or Delete Replica to add or delete instance replicas, or select Add Shard or Delete Shard to add or delete shards in the cluster architecture respectively. For directions, see Changing Instance Specification.
Choose More > Performance/Security to view the performance diagnosis report of the instance. For directions, see Performance Optimization Overview.
Select More > Security Group to select the security group inbound rules again. For directions, see Configuring Security Group.
For yearly/monthly subscription billing mode, choose More > Return and Refund; for pay-as-you-go instances, choose More > Terminate to return the instance and isolate it in the recycle bin. For directions, see Terminating Instances.
Select More > Edit Tag to modify the tag key value of the instance. For directions, see Editing Instance Tag.
Viewing Instance Details
In the Instance ID/Name column of the target instance, click the blue-font Instance ID to go to the Instance Details page.
Section
Field
Description
Basic information
Instance Name
The name set when the instance is created. Hover over the instance name and click
to edit it for easy identification and management.
Instance ID
The unique ID of the instance.
Instance Status
The running status of the instance. The normal status is
AZ
The region and AZ to which the instance belongs. Click Change AZ to upgrade an instance currently deployed in a single AZ to multi-AZ deployment. For directions, see Changing AZs.
Project
The name of the project joined by the instance. Click Assign to Project to reassign the instance to another project. For directions, see Assigning Instance to Project.
Read/Write Status
Current Database Read/Write Status. Click "Modify" to switch to read-only mode. In this state, write commands will fail. Proceed with caution.
Note：
If the instance serves as the target instance for DTS data migration or has been added to a global replication group, then modifying its read/write status is not supported.
Instance Termination Protection
Click
to enable or disable instance termination protection. When instance termination protection is enabled, a secondary confirmation will be required when deleting an instance, effectively preventing accidental deletion.
Spec Info
Instance Edition
Currently, only Memory Edition is supported.
Compatible Version
Version information of the compatible protocol. If the minor version upgrade text is gray, it indicates that the current version is the latest; if it is blue, click minor version upgrade to upgrade to a higher version and quickly experience new kernel features. For specific operations, see upgrade instance version.
Proxy Version
The version information of the Tencent Cloud Distributed Cache proxy. If the Proxy Upgrade text appears in gray, it indicates the current proxy version is the latest; if it is blue, click Proxy Upgrade to upgrade to a newer version. For specific operations, see Proxy Upgrade.
Architecture
For the information of instance deployment architecture, see Product Series. If the instance is on a standard architecture, click Upgrade Architecture to upgrade the standard architecture to a cluster architecture. For directions, see Upgrading Instance Architecture.
Memory
The total memory capacity of the current instance, the used capacity, and the proportion of the used capacity. Click Memory Analysis to jump to the memory analysis page, where you can view the memory overhead of big keys in the database. Then you can quickly identify big keys, analyze their information, and split or clean them. For directions, see Memory Analysis.
Memory Configuration
The memory configuration specification of the purchased instance, including shard quantity/memory capacity of each shard node/replica quantity. Click Configure to adjust these specifications. For directions, see Changing Instance Specification.
Read-Only Replica
The enablement status of read/write separation.
Network Info
Network
You can click Switch Network to switch the VPC and subnet. For directions, see Configuring Network. If you need to create a VPC, see Creating VPC.
Subnet
AZ-specific subnet in the instance VPC. A VPC allows for subnets in different AZs, which communicate with each other over the private network by default.
Private IPv4 Address
The private IP address assigned to the database instance. This IP address needs to be configured to access the database. For more details, see Connecting to the instance.
Click
to modify the IP address and port number.
Click
to copy the IP address and port number directly.
Public Network Address
The public network address for database access, which is not enabled by default. You can click Enable to enable it for daily testing and management. For directions, see Configuring Public Network Address.
Max Connections
The maximum number of client connections currently limited by the database.
Click Real-Time Session to view statistics such as the source of the current real-time session and the number of active connections of the instance. For directions, see Real-Time Session.
Max Network Throughput
Maximum network throughput for database access, which is the triggering condition for inbound and outbound traffic throttling. Click Adjust Bandwidth to increase additional bandwidth. For directions, see Bandwidth Adjustment.
Configuration info
Billing Mode
The billing mode of the instance: pay-as-you-go and yearly/monthly subscription.
Creation Time
The time when the instance was created.
Expiration Time
The yearly/monthly subscription billing mode displays the expiration time of the instance.
Maintenance Time
The maintenance time for the instance. In order to ensure the stability of the database, the background system will perform maintenance operations on the instance during the maintenance time from time to time. You can click Modify to adjust the maintenance time. We recommend that you set it during the off-peak hours. For directions, see Setting Maintenance Time.
Connection Password
The password that needs to be configured when connecting to the database. Click Reset Password to reset the password or set password-free authentication. For directions, see Resetting Password.
Tag
The tag associated with the instance, which can be modified. For directions, see Editing Instance Tag.
Data Sync
Sync Mode
The data sync mode used by the instance, such as DTS.
Sync Task
Sync task ID.
Sync Status
The status of the task execution.
Sync Delay
The number of bytes of sync-delayed data.
Instance Role
The role of an instance used for data sync, which indicates whether it is a source instance or a target instance.
Sync Instance
The peer instance ID of the sync instance and its name.
Global Replication
Join or create a global replication group
The instance has not joined a global replication group. Click Create or Join Global Replication Group to apply to join the replication group. For directions, see Creating Global Replication Group. Before joining a global replication group, see its implementation mechanism and Use Limits.
Replication Group ID
This parameter is displayed after the instance joins a global replication group, which is the ID of the replication group.
Replication Group Name
This parameter is displayed after the instance joins a global replication group, which is the custom name of the replication group.
Instance Role
The role assigned to the instance in the global replication group, which is either master or read-only instance. This parameter will be displayed after the instance joins a global replication group.
Architecture Diagram
Architecture diagram for database instance deployment.
More Operations
Renaming an instance
1. In the Instance List, hover the mouse over the instance name to be modified, and click the
on its right.
2. In the instance name input box, enter a new name, which must meet the following requirements:
It can contain 1–60 characters.
It can contain letters, digits, underscores, and hyphens.
A letter, digit, or special symbol is counted as one character.
Setting fields in the instance list
1. In the upper right corner of the instance list, click
.
2. On the Display Settings page, select the fields to be displayed.
3. Click OK, and you can see the set fields in the instance list.
Exporting the instance list
In the upper right corner of the instance list, click
