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A batch scaling solution requires you to use a combination of new agents and some existing agents that have had configuration setting updates. Three The key things to note are:

• All storage related to the new agents is in Kafka. This includes transactions and backend working storage.

• Workflows containing these new agents can be scaled without any configuration changes. The system will automatically handle the re-balancing of which workflows use which partition.

• You cannot mix standard Inter WF agents with scaling Inter WF agents in the same workflow. This is because workflows with standard Inter workflow WF agents save the state in UsageEngine Image Added and workflows with batch agents save the state in Kafka.

Key agents used in scalable workflows

Agent nameName	Description
Scalable Inter WF Collection Agent	This is a newly created agent specifically for batch scaling workflow groupsworkflows. It functions similarly to and has the same configuration as the https://infozone.atlassian.net/wiki/x/fRgkEgagent. The key difference is…standard Inter Workflow Collection Agent.
Scalable Inter WF Forwarding Agent	This is a newly created agent specifically for batch scaling workflow groupsworkflows. It functions similarly and has the same configuration as the https://infozone.atlassian.net/wiki/x/uBckEg agent. The key difference is…standard Inter Workflow Forwarding Agent.
Aggregation Agent	A new Kafka storage option has been added to the existing Aggregation Agent. When setting up your batch scaling solution, you must add this storage option to the agent configuration. Some use cases may need to switch to the new profile. See, Aggregation Batch Agent(4.3). , see ‘Storage Tab’ in https://infozone.atlassian.net/wiki/x/chwcEg.
Duplicate UDR Agent	A new Kafka storage option has been added to the Duplicate UDR Agent. When setting up your batch scaling solution, you must add this storage option in the agent configuration. See Duplicate UDR(4.3)'Storage tab' in https://infozone.atlassian.net/wiki/x/yYkkEg.

Subsections

This section contains the following subsections:

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Questions:

Can agents other than those in the table above be used in a scalable WF?

In the aggregation agent description, we advise that some use cases may require the user to switch to the new profile. when would this need to happen?

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