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AVEVA Enterprise SCADA

Appendix E: shared memory queues

  • Last UpdatedApr 24, 2025
  • 1 minute read

Device Shared Memory Queues

Device shared memory queues are defined in the %DNAInstallRoot%\RealTime\config\Settings\DevConfig.json file. You can change the size of these queues by overriding the DevConfig.json file in the %DNADataRoot%\RealTime\config\Settings directory (refer to Modify configuration settings).

You can also create a new device shared memory queue by creating or overriding the DevConfig.json file.

Alarm Shared Memory Queues

Alarm shared memory queues are defined in the %DNAInstallRoot%\RealTime\config\Settings\AlarmSharedMemoryConfig.json file. You can change the size of these queues by overriding the AlarmSharedMemoryConfig.json file in the %DNADataRoot%\RealTime\config\Settings directory (refer to Modify configuration settings).

You can also create a new alarm shared memory queue by creating or overriding the AlarmSharedMemoryConfig.json file.

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