How to manage shared memory in FastRTPS with ROS2 Foxy.
From ROS2 Foxy, I know that it supports the shared memory function among the functions supported by FastRTPS. Shared memory means that the memory is shared by other processes. Is there a specific shared memory? What kind of memory is shared among cache, DRAM, and SSD? Can you explain in detail how it is shared? If multiple memory types are used, can you show the process of being shared?
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