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Last seen: 5 years 8 months ago
Joined: 05/10/2016
Posts: 5
Speed up data reader liveliness count

Hi. I'm using DDS RTI 5.3.0 with the Modern C++ API. I'm using DDS to communicate an app, which serves as a front-end and has several DataReaders, with a separate app that works as the backend and consequently has several DataWriters.

Users interact with the front-end app and should be able to know whether the backend is alive, so I thought it would be nice to check whether there are DataWriters publishing the topics for the DataReaders to read. I've used two alternatives:



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Last seen: 12 years 3 months ago
Joined: 11/15/2011
Posts: 3
Piggyback Heartbeat Period



I would like to know the default piggyback heartbeat period, however I can not estimate the period because max_samples is UNLIMITED, min_send_window_size, and max_send_window_size are UNLIMITED according to the API reference default values.

Does the DDS middleware dynamically determine effective value by resource limits settings, the number of outstanding samples and so on?


Many thanks,

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