Latency

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Fri, 08/19/2022 - 05:20
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MikeZhang
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What factors can to tune to improve latency

9.1. Latency Benchmarks — RTI Connext DDS Micro 2.4.12 documentation

Without asking for our data, can you please advise me how I can improve our system latency? What factors can be tuned: Domain numbers? QoS? data size? or something else? Can you please give me a priority list that I should investigate?


Why on the system with much better computing power are we observing orders of magnitude slower latency compared to the latency benchmarks (the link on top)?

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Wed, 07/11/2018 - 07:59
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adb1210
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Identical source_timestamp through middleware
Hi,
 
I am currently testing to latency of a middleware program. This program is subscribed and recieves a
sample from a custom publisher and a specific topic, which contains various primitive Java types. After
receiving a sample, the program alters the data to the user's choice (the middleware is already expecting a
sample that fits a certain object).
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Wed, 11/02/2016 - 02:54
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Hassan
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I am not able to execute latency and throughput examples

Dear Sir,

I am trying to execute latency and throughput examples from rti_workspace folder but Its giving me error. I am working with Java and using this command as per documentation.    <NDDSHOME>/bin/rtiddsgen -language Java -example <your Java arch> -notypecode Latency.idl

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Sun, 01/24/2016 - 18:26
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_Phil_
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Minimise latency for existing subscribers when late subscriber joins

Hi,

I have a single publisher publishing 1MB samples every second. Late subscribers need to receive the last 1000 samples, so I’ve set KEEP_LAST_HISTORY and TRANSIENT_LOCAL_DURABILITY with max_samples set to 1000.

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Sat, 12/15/2012 - 02:15
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Hitesh
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How to check real time response to interrupt?

Dear Sir,

We want to measure latency(RTT-Round Trip Time) in RTI-Xenomai DDS platfrom, which are the basic command or software tools to measure latency.

How to check the if interrupt are responded in real time?

Pleas give us your suggestion.

Thanks in advance.

-Hitesh

 

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