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Create a Load Balancer

AWS Elastic Load Balancing will be used to distribute traffic evenly between all Talend ESB instances across the Availability Zones. You will create a front-end HTTP loadbalancer to load-balance incoming requests between all Talend ESB instances.

Procedure

  1. Open EC2 console.
  2. On the Navigation pane, under Load Balancing, choose Load Balancers.
  3. Click Create Load Balancer.
  4. Select Classic Load-balancer then click Continue.
  5. Define the load-balancer:
    Field Value
    Load Balancer name ELB-Talend-ESB
    Create LB inside Choose Talend VPC.
  6. In Listener Configuration, add the following listener:
    Field Value
    Load Balancer Protocol HTTP
    Load Balancer Port 8040
    Instance Protocol HTTP
    Instance Port 8040
  7. In Select subnets, select both subnets Public subnet eu-west-1a Talend ESB and Public subnet eu-west-1b Talend ESB.

    The configuration should look like this:

    Click Next: Assign Security Groups.

  8. Select Create a new security group then use the information below.
    Information noteNote: Please take note of the security group name (sg-f41e8992 in this case) since this information will be used when creating the Talend ESB instance.
  9. In Configure Health Check, use the following information:

    Then click Next: Add EC2 instances.

  10. On Add EC2 instances page, ensure that Enable Cross-Zone Load Balancing is checked.
    Do not add any instances. This will be configured later when creating the Auto Scaling group.
  11. In Add Tags, add a name tag and any other relevant tag you want. Then click Review and launch.

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