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Distributing Computing Nodes across Data Preparation and Analysis Automation

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Last Modified: August 14, 2019

To optimally distribute server resources, specify the number of requests that Data Preparation and Analysis Automation instances process in parallel.

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Note  

Processing several parallel requests might slow down your server.

  1. In Data Preparation or in Analysis Automation, open the instance overview.
  2. Select a Data Preprocessor instance and click »Manage»Monitoring Raw Data Areas»Number of Parallel Requests to the Computing Nodes. In the Analysis Automation instance, click »Manage»Settings»Number of Parallel Requests to the Computing Nodes.
  3. Specify the maximum number of requests that Data Preparation or Analysis Automation can process simultaneously, and click OK. Data preparation and analysis automation can process a maximum of 64 parallel requests each.
  4. Click Apply in the highlighted area to accept the settings.

    The requests defined in the Data Preparation and Analysis Automation instances are processed in the background by computing nodes. When configuring SystemLink TDM in NI SystemLink TDM Configuration, you specify the number of nodes you purchased. If you specify a higher number of computing nodes than you purchased with your license, SystemLink TDM starts the additional computing nodes but does not use these nodes for SystemLink TDM requests, therefore blocking resources on your server.

    In SystemLink TDM you specify the maximum number of parallel requests to the computing nodes for Analysis Automation and Data Preparation, respectively. Analysis automation and data preparation can together process as many tasks simultaneously as there are computing nodes. Analysis automation and data preparation occupy the computing nodes in the order of requests arriving.

    If SystemLink TDM has, for example, eight computing nodes, you can distribute them as follows:

    Analysis Automation Data Preparation Computing Node Utilization
    8 simultaneous requests 8 simultaneous requests Each instance by itself can work at full capacity. SystemLink TDM handles requests from data preparation and analysis automation with the same priority.
    4 simultaneous requests 8 simultaneous requests SystemLink TDM gives data preparation requests higher priority.
    4 simultaneous requests 4 simultaneous requests Each instance has four separate computing nodes at its disposal.

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