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For example, it can be used as the last step of a lightweight workflow in order to index the data as fast as possible, and then redirect them to a more heavyweight workflow which includes computationally expensive steps.
Additionally this step can change the priority of the redirected items. This can be done to ensure that the important pipeline steps such as initial data indexing happens more quickly and the slower components do not block the ingestion of new data. See https://squirro.atlassian.net/wiki/pages/resumedraft.action?draftId=2713813031 for further information.
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The picture above depicts two workflows:
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