Definition of HDFS

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HDFS is the Hadoop distributed file system that provides high-throughput data access and is used to process large datasets.

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Definition of HDFS
HDFS is the Hadoop distributed file system that provides high-throughput data access and is used to process large datasets.

What is the concept of HDFS?
HDFS is the Hadoop distributed file system that provides high-throughput data access and is used to process large datasets.

HDFS security authentication
Before accessing services in the secure cluster environment, you must be authorized by Kerberos. For this reason, code for security authentication must be written into the HDFS applications to ensure proper running. There are two authentication modes: command line authentication and code authentication. Command line authentication: Before running the HDFS applications, run the following command on the HDFS client to obtain authentication: kinit component service user Code authentication: Obtain the principal and keytab files of the client for authentication.

Enhanced features of HDFS
HDFS offers the following enhanced features: 1. Data block co-location 2. Configuration for damaged hard disk volumes 3. Startup acceleration

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