Question-24: Cloudera CDP Private Cloud Base, HDFS supports which of the following Filesystems?

  1. Ext3
  2. Ext4
  3. XFS
  4. S3
  5. GCS
  6. Azure Storage

Answer:

Exp: The Hadoop Distributed File System (HDFS) is designed to run on top of an underlying filesystem in an operating system. Cloudera recommends that you use either of the following filesystems tested on the supported operating systems:

  • ext3: This is the most tested underlying filesystem for HDFS.
  • ext4: This scalable extension of ext3 is supported in more recent Linux releases.

Important

Cloudera recommends that you format disks as ext4 before using them as data directories.

  • XFS: This is the default filesystem in RHEL 7.
  • S3: Amazon Simple Storage Service

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