@eirikhex can you provide code to reproduce this ? I tried to reproduce the described behavior with a basic intra-process talker/listener and the reserved memory stayed steady (32124) after 20000 publications/subcriptions. --- [Visit Topic](https://discourse.ros.org/t/increasing-memory-usage-for-publishing-nodes-with-enabled-intra-process-communication/3261/4) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: