Creating a Cluster (New Version)

Cluster Type

Select Logstash.

Cluster Version

Select a cluster version from the drop-down list.

Region

Select the region where the cluster is located. A region is the location of a physical data center. Regions are defined based on their geographical location and network latency. For lower network latency and quicker resource access, select the nearest region.

AZ

Select one or more AZs associated with the cluster region. An AZ is a physical region where resources use independent power supplies and networks. AZs are physically isolated but interconnected through an internal network.

A maximum of two AZs can be configured. For details about the use of multiple AZs, see Suggestions on Multi-AZ Deployment.

CPU Architecture

Select the CPU architecture of the Logstash nodes. x86 nodes are supported. The architectures actually supported may vary depending on the regional environment.

Node Specifications

Select the specifications of the Logstash nodes. Click Available. On the displayed page, select a flavor that suits your needs.

The nodes of a Logstash cluster support EVS disks only. For more information about different node specifications, see ECS Types.

In the node flavor list, vCPUs | Memory indicates the number of vCPUs and memory capacity available for each flavor, and Recommended Storage indicates the supported storage capacity range.

The node flavors available may vary depending on the region you select.

Node Storage Type and Capacity

Select the storage type of the Logstash nodes.

• Available EVS disk types vary depending on your region. For more on EVS disk performance, see Disk Types and Performance.
• The node storage capacity is fixed at 40 GB.

Nodes

Set the number of nodes for the Logstash cluster.

The number of nodes determines the data migration speed. Select the number of Logstash nodes based on service needs.

Value range: 1 to 100.

VPC

Select a VPC for the cluster for proper network isolation.

If none of the existing VPCs meets your requirements, click Create VPC to create one. (Make sure you have the permission to create VPCs.) For details, see Creating a VPC and Subnet.

Subnet

Select a subnet for the cluster. A subnet improves network security by providing exclusive network resources that are isolated from other networks.

Select a subnet in the current VPC.

If no existing subnets meet your requirements, click Create Subnet to create a new subnet. For details, see Creating a VPC and Subnet.

IPv4 Address

Assign IPv4 addresses to cluster nodes.

• Assign automatically: Private IPv4 addresses will be automatically assigned to cluster nodes.
• Assign manually: Manually assign private IPv4 addresses to cluster nodes. Before assigning an IP address, click View In-Use IP Address to check IP addresses that are already in use.

  If you manually specify fewer IP addresses than the total number of cluster nodes, the system will automatically assign random private IPv4 addresses to the remaining nodes.

Security Group

Select a security group for the cluster. A security group serves as a virtual firewall that provides access control policies for clusters.

To select a security group that meets your requirements, click View Security Group to go to the security group list, where you can check the details of each security group.

The selected security group must allow port 9600 in the inbound direction. Otherwise, the cluster may be inaccessible to external services.

If none of the existing security groups meets your requirements, click Create Security Group to create one. (Make sure you have the permission to create security groups.) For details, see Creating a Security Group.