LZ4 is already supported. It's actually a requirement for our 3D data because BZ2 is so slow. I would find it surprising if such a technique had a significant impact on already compressed bags. Have you done any experiments? Or do you need uncompressed bags for some reason? LZ4 seems fast enough. --- [Visit Topic](https://discourse.ros.org/t/smaller-rosbags-with-hashed-strings/942/3) 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: