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The OnePacs Study Retriever will download DICOM instances into memory up to a configurable limit before the instances are stored to a DICOM destination.  By default, that limit is 8 50 individual instances or any single instance greater than 1 MB of size.  Thus, the maximum number of instances that the study retriever will store in a single DICOM association is 850, and may be less depending on the size of the instances.  On systems with a high-overhead for DICOM network communication, it may be desirable to increase the batch size to a larger value (e.g.  20 200 instances instead of 850). 

The following steps describe the process of modifying the storage batch size in the OnePacs Study Retriever in Windows:

1. Stop the OnePacs Study Retriever by right-clicking on the taskbar icon and selecting "Exit"
2. Open the file called poller.properties in C:\onepacs\poller\conf in a text editor.

3. On a new line, add the following property. 

   Code Block
   storeBatchSize=20200

   The example above may be modified to use any batch size; 20 200 is an example.

4. Restart the OnePacs Study Retriever by double-clicking on the "Restart OnePacs Study Retriever" desktop icon.

For Mac mac OS XStudy Retriever, the process is similar, however the poller.properties file is located in the user's home directory under <USERNAME>/onepacs/poller.conf .

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