Free Online Certification Courses – Learn Today. Lead Tomorrow. › Forums › Apache Hadoop › Metadata This topic has 0 replies, 1 voice, and was last updated 5 years, 7 months ago by DataFlair Team. Viewing 0 reply threads Author Posts September 20, 2018 at 5:05 pm #6080 DataFlair TeamSpectator The persistent copy of metadata is inside disk,and disk is part of system, then it should fall under HDFS??Why specific memory? Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Signup / Login with Google Log In