@PabloO ,   In Kafka's terminology, a topic is a "distributed logs". The data for each topic's partitions is saved in what's called "log segment files".   So, the "log.dirs" and "log.dir" parameters point to the directories where the actual messages are saved, *not* the "error logs".   For example, if your "log.dirs" is set to "/data1" and you have a topic named "mytopic". The data for the partition 0 of that topic will be saved in files under the directory "/data1/mytopic-0".   Cheers, André ... View more