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ApsaraDB for MongoDB:Create an instance

Last Updated:Jan 06, 2026

This topic shows you how to create an ApsaraDB for MongoDB instance.

Prerequisites

You have created an Alibaba Cloud account.

Billing

You are charged for a MongoDB instance based on its specifications and storage. For more information, see Billable items.

Free trial

Alibaba Cloud offers free trials for ApsaraDB for MongoDB replica set instances. If you are an enterprise user who uses ApsaraDB for MongoDB for the first time, you can go to the All Free Tier Products Available page to apply for a trial. If you are not a first-time user of ApsaraDB for MongoDB, follow the steps described in this topic to create a replica set instance in the ApsaraDB for MongoDB console.

Procedure

Replica set

This section shows you how to create a pay-as-you-go MongoDB 8.0 replica set instance. For detailed instructions, see Create a replica set instance.

  1. Go to the ApsaraDB for MongoDB buy page.

  2. On the buy page, configure the following parameters.

    Parameter

    Description

    Example

    Product Type

    Select the instance architecture based on your business needs.

    Replica Set (pay-as-you-go)

    Region

    Select the deployment region for the instance.

    China (Hangzhou)

    Deployment Type/Zone Type

    Select the deployment type of the instance.

    Single-zone

    Zone

    Select the zone where the instance resides.

    Hangzhou Zone J

    Engine Version

    Select a MongoDB version as needed.

    MongoDB 8.0

    Active-standby Nodes

    Select the number of nodes for the replica set.

    Three Nodes Replicaset

    Read-only Nodes

    Select the number of read-only nodes for the replica set.

    No Read-only Node

    Storage Engine

    Fixed to Wired Tiger.

    Wired Tiger

    Storage Type

    Select the storage type for the replica set instance.

    ESSD PL1

    Encryption Type

    Select whether to enable disk encryption.

    No Encryption

    Resource Group

    Select a resource group to manage the instance.

    Default Resource Group

    Tag

    Attach tags to the instance.

    None

    Network Type

    Fixed to VPC.

    VPC

    VPC

    Select the VPC for the instance. We recommend selecting the same VPC as your ECS instance for private network access.

    You can use the Default VPC. If the Default VPC is not available, select an existing VPC or create one in the VPC console.

    Default VPC

    vSwitch

    Select the vSwitch for the instance.

    You can use the Default Switch. If the Default Switch is not available, select an existing vSwitch or create one in the VPC console.

    Default vSwitch

    Category

    Select the specification category of the instance.

    Dedicated

    Specifications

    Select the specifications, which determines CPU and memory resources.

    2 Cores, 8 GB (Dedicated)

    Storage

    Select the storage capacity of the instance.

    20 GB

    Username

    Fixed to root.

    root

    Set Password

    Select Set Now.

    If you select Set Later, reset the password before you connect to the instance.

    Set Now

    Password

    Enter the password for the root account and confirm it.

    This password is for demonstration only. Do not use it in production.

    PassWord123!

    Instance Name

    Specify a custom name for the instance.

    Test instance

    Quantity

    Select the number of instances with the same configuration to create.

    1

  3. Click Buy Now.

  4. Confirm the Parameters and click Activate Now.

  5. On the Activated page, click Console to go to the Instances page. The new instance appears in the instance list.

    It takes about 10 to 15 minutes to create the instance. If the instance does not appear in the list, refresh the page later.

Sharded cluster

This section shows you how to create a pay-as-you-go MongoDB 8.0 sharded cluster instance. For detailed instructions, see Create a sharded cluster instance.

  1. Go to the ApsaraDB for MongoDB buy page.

  2. On the buy page, configure the following parameters.

    Parameter

    Description

    Example

    Product Type

    Select the instance architecture based on your business needs.

    Sharded Cluster (pay-as-you-go)

    Region

    Select the deployment region for the instance.

    China (Hangzhou)

    Zone Type

    Select the deployment type of the instance.

    Single-zone

    Zone

    Select the zone where the instance resides.

    Hangzhou Zone J

    Protocol Type

    Fixed to MongoDB.

    MongoDB

    Engine Version

    Select a MongoDB version as needed.

    MongoDB 8.0

    Storage Engine

    Fixed to Wired Tiger.

    Wired Tiger

    Storage Type

    Select the storage type for the instance as needed.

    ESSD PL1

    Encryption Type

    Specify whether to enable disk encryption.

    No Encryption

    Category

    Select the specification category of the instance.

    Dedicated

    Resource Group

    Select a resource group to manage the instance.

    Default Resource Group

    Tag

    Attach tags to the instance.

    None

    Network Type

    Fixed to VPC.

    VPC

    VPC

    Select the VPC for the instance. We recommend selecting the same VPC as your ECS instance for private network access.

    You can use the Default VPC. If the Default VPC is not available, select an existing VPC or create one in the VPC console.

    Default VPC

    vSwitch

    Select the vSwitch for the instance.

    You can use the Default Switch. If the Default Switch is not available, select an existing vSwitch or create one in the VPC console.

    Default vSwitch

    Mongos Specification

    Select the specifications for the Mongos components.

    2 Cores, 8 GB (Dedicated)

    Mongos Quantity

    Select the number of Mongos components.

    2

    Shard Specifications

    Select the specifications for the Shard components.

    2 Cores, 8 GB (Dedicated)

    Shard Storage

    Select the storage capacity of the shard component.

    20 GB

    Shard Read-only Nodes

    Select the number of read-only nodes for each shard.

    No Read-only Node

    Shard Quantity

    Select the number of shard components.

    2

    ConfigServer Specification

    Select the specifications for the ConfigServer components.

    4 Cores, 8 GB (Dedicated)

    ConfigServer Storage

    Select the storage capacity of the Configserver component.

    20 GB

    Username

    Fixed to root.

    root

    Set Password

    Select Set Now.

    If you select Set Later, reset the password before you connect to the instance.

    Set Now

    Password

    Enter the password for the root account and confirm it.

    This password is for demonstration only. Do not use it in production.

    PassWord123!

    Instance Name

    Specify a custom name for the instance.

    Test instance

  3. Click Buy Now.

  4. Confirm the Parameters and click Activate Now.

  5. On the Activated page, click Console to go to the Instances page. The new instance appears in the instance list.

    It takes about 10 to 15 minutes to create the instance. If the instance does not appear in the list, refresh the page later.

Standalone

This section shows you how to create a pay-as-you-go MongoDB 4.0 standalone instance. For detailed instructions, see Create a standalone instance.

  1. Go to the ApsaraDB for MongoDB buy page.

  2. On the buy page, configure the following parameters.

    Parameter

    Description

    Example

    Product Type

    Select the instance architecture based on your business needs.

    Replica Set (pay-as-you-go)

    Region

    Select the deployment region for the instance.

    China (Hangzhou)

    Deployment Type/Zone Type

    Select the deployment type of the instance.

    Single-zone

    Zone

    Select the zone where the instance resides.

    Hangzhou Zone G

    Engine Version

    Select MongoDB 4.0.

    MongoDB 4.0

    Active-standby Nodes

    Select the number of nodes for the replica set.

    Standalone

    Read-only Nodes

    Fixed to No Read-only Node.

    No Read-only Node

    Storage Engine

    Fixed to Wired Tiger.

    Wired Tiger

    Storage Type

    Fixed to ESSD PL1.

    ESSD PL1

    Resource Group

    Select a resource group to manage the instance.

    Default Resource Group

    Tag

    Attach tags to the instance.

    None

    Network Type

    Fixed to VPC.

    VPC

    VPC

    Select the VPC for the instance. We recommend selecting the same VPC as your ECS instance for private network access.

    You can use the Default VPC. If the Default VPC is not available, select an existing VPC or create one in the VPC console.

    Default VPC

    vSwitch

    Select the vSwitch for the instance.

    You can use the Default Switch. If the Default Switch is not available, select an existing vSwitch or create one in the VPC console.

    Default vSwitch

    Category

    Fixed to General-purpose.

    General-purpose

    Specifications

    Select the specifications, which determines CPU and memory resources.

    4 Cores, 8 GB (General)

    Storage

    Select the storage capacity of the instance.

    20 GB

    Username

    Fixed to root.

    root

    Set Password

    Select Set Now.

    If you select Set Later, reset the password before you connect to the instance.

    Set Now

    Password

    Enter the password for the root account and confirm it.

    This password is for demonstration only. Do not use it in production.

    PassWord123!

    Instance Name

    Specify a custom name for the instance.

    Test instance

    Quantity

    Select the number of instances with the same configuration to create.

    1

  3. Click Buy Now.

  4. Confirm the Parameters and click Activate Now.

  5. On the Activated page, click Console to go to the Instances page. The new instance appears in the instance list.

    It takes about 10 to 15 minutes to create the instance. If the instance does not appear in the list, refresh the page later.

Next step

Configure a whitelist