SHMEM

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How to understand the relation between shmem properties & process memory usage (e.g. Linux/Ubuntu 'top': RES)
As shmem transport properties are shown in https://community.rti.com/static/documentation/connext-dds/6.0.1/doc/api/connext_dds/api_cpp/structNDDS__Transport__Shmem__Property__t.html, e.g.,
 
dds.transport.shmem.builtin.receive_buffer_size
dds.transport.shmem.builtin.received_message_count_max
 
How to understand the relation between shmem properties  & process memory usage (e.g.
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increase the max message size for shared memory transport

Hi, I am tring to send a large data message (>64k) with shared memory transport in two apps. Each app has one data writer and data reader to communicate with the other app. I tried to use the participant QoS to increase the message_size_max for the SHMEM transport like this:

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