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Storage Host

You can only select Automatic.

When you select Automatic, the EC used by the running workflow is automatically applied. Alternatively, if the Aggregation Session Inspector is used, a storage host is selected automatically. For further information, see Aggregation Session Inspector(4.2).

Directory

Enter the directory on the Storage Host where you want the aggregation data to be stored.

If this field is greyed out with a stated directory, it means that the directory path has been hard-coded using the mz.present.aggregation.storage.path property. This property is set to false by default.

Partial File Count

In this field, you can enter the maximum number of partial files that you want to store. Consider the following:

Startup: All the files are read at startup. It takes longer if there are many partial files.

Transaction commitment: Many small files (large Partial File Count) increase performance when the transactions are committed.

In a batch workflow, use this variable to tune performance.

Max Cached Sessions

Enter the maximum number of sessions to keep in the memory cache.

This is a performance-tuning parameter that determines the memory usage of the Aggregation agent. Set this value to be low enough so that there is still enough space for the cache in memory, but not too low, as this will cause performance to deteriorate, see Performance Tuning with File Storage(4.2) for more information.

Enable Separate Storage Per Workflow

This option enables each workflow to have a separate session storage. Multiple workflows are allowed to run simultaneously using the same Aggregation profile.

If this checkbox is selected, a workflow will never see a session from another workflow.