Solutions

Achieving low-jitter performance with Connext Pro

Achieving low jitter and more deterministic write times and real-time performance requires in-depth tuning at the OS layer and DDS layer. It tends to involve a long list of recommendations to apply e.g. you can see advice online that involves similar checklists. This article summarizes best practices, and we recommend exploring and testing all the recommendations listed here. ...
grayson
Wed, 11/22/2023 - 06:39
1994 reads — 0 comments

Why do I get 'User storage is not valid' error when I create a DDS Entity

The multiple APIs of Connext have an internal concept named User Storage, which is used to store API-specific data required for certain features. This concept is normally part of the DomainParticipant entities and is configured through code as a QoS. While the APIs will configure this concept ...
anunez
Fri, 10/20/2023 - 01:18
7797 reads — 0 comments

Disabling Multicast in Micro

There are three steps to take to configure Connext Micro not to use multicast. Set disable_auto_interface_config to true. Micro will scan the system for available interfaces and use them. Note, however, when this is set to true, Micro relies on just the manually added interfaces. Add an interface ...
AnthonyD
Tue, 06/06/2023 - 16:35
1052 reads — 0 comments

What does the warning PRESWriterHistoryDriver_completeBeAsynchPub:!make_sample_reclaimable mean?

When using asynchronous publication and Best Effort reliability, you may see the warning: PRESWriterHistoryDriver_completeBeAsynchPub:!make_sample_reclaimable in topic 'MyTopic' This warning message may be caused by a small history depth you are configuring. Since you are using asynchronous ...
grayson
Mon, 03/27/2023 - 16:05
1045 reads — 0 comments

Verifying consistency between libraries and header files in Connext

The version of the Connext header files and Connext libraries is tied to each Connext release. The header files and libraries used for compiling your application must come from the same version of Connext. An inconsistency between versions might cause undefined behaviors such as segmentation faults ...
scardenete
Mon, 02/27/2023 - 03:26
1136 reads — 0 comments

Enabling communication between SPDP and SPDP2 participants with Routing Service

Communication between participants using Simple Participant Discovery Protocol (SPDP) and Simple Participant Discovery Protocol 2.0 (SPDP2) is not possible by default. Both participant and endpoint discovery will fail to complete between an SPDP and SPDP2 participant. See Discovery Overview in the ...
olivia.dorencz
Mon, 02/06/2023 - 14:35
19557 reads — 0 comments

Which RTI library architecture should I use for my Linux platform?

To determine if your Linux platform is compatible with an RTI architecture, you will need to know the CPU architecture (e.g. x64 or ARM), GLIBC, and GLIBCXX versions in your target platform. To find the GLIBC library, here are the steps we recommend you run on your target platform: $ ldd `which ls ...
grayson
Wed, 02/01/2023 - 16:49
1445 reads — 0 comments

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