From 9ddad46832c3604d45b5e6b9e0abbe2982040328 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Carlos=20Ferreira=20Gonz=C3=A1lez?= Date: Tue, 28 Jan 2025 11:48:25 +0100 Subject: [PATCH] Warn about XTypes in Fast DDS v3 (#5601) Signed-off-by: cferreiragonz --- UPGRADING.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/UPGRADING.md b/UPGRADING.md index 97bcbab4999..3cb6bc23784 100644 --- a/UPGRADING.md +++ b/UPGRADING.md @@ -3,6 +3,12 @@ This document aims to help during the migration process from eProsima *Fast DDS version* 2 to *Fast DDS version* 3. For more information about all the updates, please refer to the [release notes](https://fast-dds.docs.eprosima.com/en/latest/notes/notes.html). +> [!WARNING] +> Fast DDS v3 introduces a new feature [XTypes](https://fast-dds.docs.eprosima.com/en/latest/fastdds/xtypes/xtypes.html#xtypes) that allows to discover remote types. +> In consequence, discovery traffic can be increased during start up. +> If you are experiencing high load during discovery, try disabling the new feature. +> Please refer to [disable type propagation](https://fast-dds.docs.eprosima.com/en/latest/fastdds/property_policies/non_consolidated_qos.html#type-propagation) to learn how to do it. + ## Migration Steps The following steps describe the possible changes that your project may require to migrate to *Fast DDS v3.0.0*: