Store and Forward Data
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⟩ Store and Forward Data

Store and Forward Data

The Store and Forward in FactoryTalk Optix stores data in a S&F queue to store data locally when the Optix project encounters an issue or stops functioning. When this queue reaches its configured limit, the queue is pushed to a disk file. Therefore, the Store and Forward data is retained in both a memory-based queue and on a disk file. Once the connection is restored, the stored data is retrieved and pushed into the CDF, ensuring that no data is lost.
In the Store and Forward Data, the MaximumQueueLength property defines the maximum number of batched datapoints that can be pushed to the StoreAndForward queue. When the number of items (batches of datapoints) exceeds this limit, the items will be stored to the disk file. Additionally, the MaximumFileSize(KB) property defines the maximum size of the file used to store data. When this limit is reached, store and forward will stop storing data.
NOTE:
An error message is displayed if the actual file size exceeds the available free space on the disk.
Perform the following steps to configure the maximum limit of a memory-based queue:
  1. Open the FactoryTalk Optix Studio.
  2. Navigate to
    DataStores
     >
    FTDataMosaixDataStore
     from the left pane.
    Select FTDataMosaixStore
  3. In the
    Properties
     window, perform the following actions:
    • Provide a value greater than or equal to 1 for the
      MaximumQueueLength
      .
    • Provide the
      MaximumFileSize(KB)
      . This should be set to a value based on available disk space on the machine where the FactoryTalk Optix project will be deployed.
      Store and Forward
When the connection is interrupted, the data will start storing in the text file.
Storage Location
NOTE:
The text file will be stored in the project application directory.
The following image displays that no data is pushed into the CDF:
No Data in CDF
When the connection is restored, all data from the text file will be pushed to the CDF. The following image displays that all the data is pushed into the CDF:
Data in CDF
NOTE:
The text file stored locally will be deleted automatically.
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