How to use the latest Hadoop HDFS Intra-Data Node balance disc in apache hadoop?

Article : In Hadoop Distributed File System (HDFS), the Data Node spreads the information obstructs into nearby file system indexes, which can be indicated utilizing hdfs (dot) data node (dot) data (dot) dir in hdfs-site (dot) xml. In a regular establishment, every catalog, called a volume in HDFS phrasing, is on an alternate gadget for instance, on isolated HDD and SSD. When composing new pieces to HDFS, Data Node utilizes a volume-picking strategy to pick the disk for the square. Two such approach sorts are as of now bolstered in round-robin or accessible space (HDFS-1804).

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