RTI Core Libraries and Utilities

What should I consider when testing RTI Connext performance on Gig-E/Infiniband networks?

Performance is a function of how well hardware and software components work together with the middleware. The relationship is certainly not easily predictable. With very fast hardware, the limitation seems to be the hardware bus speed. The PCI just cannot keep up and this leads to high CPU ...
aida
Fri, 01/18/2013 - 03:32
4495 reads — 0 comments

Example Code - Aggregation

Note: Applies to RTI Data Distribution Service 4.1, 4.2; While the design pattern also works for RTI Data Distribution Service 4.3 and above, its batching feature is a better way to achieve aggregation. Purpose Publisher This example shows how to create an application that aggregates data. This ...
erin
Thu, 01/17/2013 - 13:15
6337 reads — 0 comments

How do I set the multicast_receive_addresses when using rtiddsping and rtiddsspy?

Note: Applies to RTI Data Distribution Service 4.3x and above, Both rtiddsping and rtiddsspy can be configured to use multicast for discovery announcements by specifying a multicast address as part of the initial peer list (using -preer <PEER> ). However, rtiddsping and rtiddsspy do not have ...
vishal
Thu, 01/17/2013 - 13:01
8082 reads — 0 comments

Example Code - Aggregation Throughput Test

Note: Applies to RTI Data Distribution Service 4.3 and above. The following example is written in C++. Publisher This throughput test is based on the throughput test in $NDDSHOME/example/CPP/performance/throughput, with modifications to batch data samples for aggregation. Instead of sending ...
edward
Thu, 01/17/2013 - 12:59
5198 reads — 0 comments

What does "RTINetioSender_addDestination:no transport for request" mean?

Note: Applies to RTI Connext 4.x and above The message RTINetioSender_addDestination:no transport for request is a warning that RTI Connext could not find a transport for a specified peer locator. The UDPv4 and shared memory transports are installed by default. When a node tries to add a ...
yusheng
Thu, 01/17/2013 - 12:56
5562 reads — 0 comments

Why do I get a content filter compile error?

You might see the following messages in the DDS log. PRESParticipant_createContentFilteredTopicPolicy:content filter compile error 1 or PRESParticipant_createContentFilteredTopicPolicy:content filter compile error 2 Although the compile() function considers these messages real errors, they are not ...
alex
Thu, 01/17/2013 - 12:55
8528 reads — 1 comment

Why doesn't my RTI 4.4b QoS Profiles XML file work with RTI 4.3e or 4.4a?

When you use an RTI Data Distribution Service 4.4b XML QoS profiles file with 4.3e or 4.4a, you may see the following error: RTIXMLParser_onStartTag:Parse error at line 13: Unexpected attribute 'xmlns:xsi' RTIXMLParser_parseFromFile:error parsing XML file DDS_XMLParser_parse_from_file:Error parsing ...
erin
Thu, 01/17/2013 - 12:53
5644 reads — 0 comments

How many network interfaces can I use with RTI Connext?

DDS_TransportUnicastQosPolicy defines the unicast transport network interfaces that an entity will use to receive messages. Versions of RTI Connext DDS prior to 5.3.0 use a maximum of four network interfaces — the first four reported by the operating system. From RTI Connext DDS 5.3.0 onwards, this ...
waffletchnlgy
Thu, 01/17/2013 - 12:53
6646 reads — 0 comments

What causes a 'PRESPsWriterQueue_add:!timestamp order' error?

The most common cause of the following timestamp order errors is that the system clock of the publishing application has been modified to a time in the past: PRESPsWriterQueue_add:!timestamp order PRESPsWriter_write:!timestamp order RTI Data Distribution Service requires a monotonically increasing ...
memo.salas
Thu, 01/17/2013 - 12:51
4112 reads — 0 comments

What causes a "MIGGenerator_addData:serialize buffer too small" error message?

Note : Applies to RTI Connext 4.x and above. The message MIGGenerator_addData:serialize buffer too small indicates that the transport-buffer size is too small for the data being sent and needs to be increased. When the transport layer is initialized, it allocates enough resources to serialize/ ...
ken
Thu, 01/17/2013 - 12:47
5622 reads — 0 comments

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