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HDFS Administration Guide
HDFS Administration Guide
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Contents
1. HDFS Administration
Configuring ACLs on HDFS
Using CLI Commands to Create and List ACLs
ACL Examples
ACLS on HDFS Features
Use Cases for ACLs on HDFS
2. Archival Storage
Introduction
HDFS Storage Types
Storage Policies: Hot, Warm, and Cold
Configuring Archival Storage
3. Centralized Cache Management in HDFS
Overview
Caching Use Cases
Caching Architecture
Caching Terminology
Configuring Centralized Caching
Using Cache Pools and Directives
4. Configuring HDFS Compression
5. Configuring Rack Awareness On HDP
Create a Rack Topology Script
Add the Topology Script Property to core-site.xml
Restart HDFS and MapReduce
Verify Rack Awareness
6. Hadoop Archives
Introduction
Hadoop Archive Components
Creating a Hadoop Archive
Looking Up Files in Hadoop Archives
Hadoop Archives and MapReduce
7. JMX Metrics APIs for HDFS Daemons
8. Memory as Storage (Technical Preview)
Introduction
HDFS Storage Types
The LAZY_PERSIST Memory Storage Policy
Configuring Memory as Storage
9. Running DataNodes as Non-Root
Introduction
Configuring DataNode SASL
10. Short Circuit Local Reads On HDFS
Prerequisites
Configuring Short-Circuit Local Reads on HDFS
Short-Circuit Local Read Properties in hdfs-site.xml
11. WebHDFS Administrator Guide
12. About HDP
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Chapter 9. Running DataNodes as Non-Root
This chapter describes how to run DataNodes as a non-root user.
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