Documentation
  • Products
  • Services & Support
  • Solutions

Cloudera Enterprise 5.2.x | Other versions

Cloudera AdministrationHigh Availability
View All Categories
  • Overview of Cloudera and the Cloudera Documentation Set
    • CDH Overview
      • Cloudera Impala Overview
      • Cloudera Search Overview
        • Cloudera Search and Other Cloudera Components
    • Cloudera Manager 5 Overview
      • Cloudera Manager Admin Console
        • Starting and Logging into the Admin Console
        • Cloudera Manager Admin Console Home Page
      • Cloudera Manager API
        • Using the Cloudera Manager Java API for Cluster Automation
      • Extending Cloudera Manager
      • Cloudera Manager 5 Frequently Asked Questions
    • Cloudera Navigator 2 Overview
      • Cloudera Navigator UI
      • Cloudera Navigator API
      • Cloudera Navigator 2 Frequently Asked Questions
    • Frequently Asked Questions About Cloudera Software
    • Getting Support
  • Cloudera Release Notes
  • Cloudera QuickStart
    • Cloudera QuickStart VM
      • QuickStart VM Software Versions and Documentation
      • QuickStart VM Administrative Information
    • Cloudera Manager and CDH QuickStart Guide
    • CDH 5 QuickStart Guide
      • Before You Install CDH 5 on a Single Node
      • Installing CDH 5 on a Single Linux Node in Pseudo-distributed Mode
        • MapReduce 2.0 (YARN)
        • Installing CDH 5 with MRv1 on a Single Linux Host in Pseudo-distributed mode
        • Installing CDH 5 with YARN on a Single Linux Node in Pseudo-distributed mode
        • Components That Require Additional Configuration
        • Next Steps After QuickStart
    • Cloudera Search Quick Start Guide
      • Prerequisites for Cloudera Search QuickStart Scenarios
      • Load and Index Data in Search
      • Using Search to Query Loaded Data
  • Installation Guide
    • Installation Requirements for Cloudera Manager, Cloudera Navigator, and CDH 5
      • Cloudera Manager 5 Requirements and Supported Versions
        • Permission Requirements for Package-based Installations and Upgrades of CDH
      • Cloudera Navigator 2 Requirements and Supported Versions
      • Ports
        • Ports Used by Cloudera Manager and Cloudera Navigator
        • Ports Used by Components of CDH 5
        • Ports Used by Impala
        • Ports Used by Cloudera Search
        • Ports Used by Third-Party Components
    • Installation
      • Java Development Kit Installation
      • Installing Cloudera Manager, CDH, and Managed Services
        • Cloudera Manager and Managed Service Data Stores
          • Embedded PostgreSQL Database
          • External PostgreSQL Database
          • MySQL Database
          • Oracle Database
          • Backing Up Databases
          • Data Storage for Monitoring Data
          • Storage Space Planning for Cloudera Manager
        • Managing Software Installation
          • Parcels
          • Migrating from Packages to Parcels
          • Migrating from Parcels to Packages
        • Installation Path A - Automated Installation by Cloudera Manager
        • Installation Path B - Manual Installation Using Cloudera Manager Packages
        • Installation Path C - Manual Installation Using Cloudera Manager Tarballs
        • Installing Impala
        • Installing Search
        • Installing Spark
        • Installing GPL Extras
        • Understanding Custom Installation Solutions
          • Creating and Using a Parcel Repository for Cloudera Manager
          • Creating and Using a Package Repository for Cloudera Manager
          • Configuring a Custom Java Home Location
          • Installing Older Versions of Cloudera Manager 5
        • Deploying Clients
        • Testing the Installation
        • Uninstalling Cloudera Manager and Managed Software
        • Uninstalling a CDH Component From a Single Host
      • Installing Cloudera Navigator
      • Installing and Deploying CDH Using the Command Line
        • Before You Install CDH 5 on a Cluster
        • Creating a Local Yum Repository
        • Installing the Latest CDH 5 Release
        • Installing an Earlier CDH 5 Release
        • CDH 5 and MapReduce
        • Migrating from MapReduce 1 (MRv1) to MapReduce 2 (MRv2, YARN)
        • Tuning YARN
        • Deploying CDH 5 on a Cluster
          • Configuring Network Names
          • Deploying HDFS on a Cluster
          • Deploying MapReduce v2 (YARN) on a Cluster
          • Deploying MapReduce v1 (MRv1) on a Cluster
          • Configuring the Daemons to Start on Boot
        • Installing CDH 5 Components
          • Crunch Installation
            • Crunch Prerequisites
            • Crunch Packaging
            • Installing and Upgrading Crunch
            • Crunch Documentation
          • Flume Installation
            • Upgrading Flume
            • Flume Packaging
            • Installing the Flume Tarball
            • Installing the Flume RPM or Debian Packages
            • Flume Configuration
            • Verifying the Flume Installation
            • Running Flume
            • Files Installed by the Flume RPM and Debian Packages
            • Supported Sources, Sinks, and Channels
            • Using an On-disk Encrypted File Channel
            • Viewing the Flume Documentation
          • HBase Installation
            • New Features and Changes for HBase in CDH 5
            • Upgrading HBase
            • Installing HBase
            • Configuration Settings for HBase
            • Starting HBase in Standalone Mode
            • Configuring HBase in Pseudo-Distributed Mode
            • Deploying HBase on a Cluster
            • Accessing HBase by using the HBase Shell
            • HBase Online Merge
            • Using MapReduce with HBase
            • Troubleshooting HBase
            • Viewing the HBase Documentation
          • HCatalog Installation
            • HCatalog Prerequisites
            • Installing and Upgrading the HCatalog RPM or Debian Packages
            • Configuration Change on Hosts Used with HCatalog
            • Starting and Stopping the WebHCat REST server
            • Accessing Table Information with the HCatalog Command-line API
            • Accessing Table Data with MapReduce
            • Accessing Table Data with Pig
            • Accessing Table Information with REST
            • Viewing the HCatalog Documentation
          • Impala Installation
            • Requirements
            • Installing Impala without Cloudera Manager
            • Upgrading Impala
            • Starting Impala
              • Modifying Impala Startup Options
          • Hive Installation
            • About Hive
            • Upgrading Hive
            • Installing Hive
            • Configuring the Hive Metastore
            • Configuring HiveServer2
            • Starting the Metastore
            • File System Permissions
            • Starting, Stopping, and Using HiveServer2
            • Starting HiveServer1 and the Hive Console
            • Using Hive with HBase
            • Using the Hive Schema Tool
            • Installing the Hive JDBC on Clients
            • Setting HADOOP_MAPRED_HOME
            • Configuring the Metastore to use HDFS High Availability
            • Troubleshooting Hive
            • Viewing the Hive Documentation
          • HttpFS Installation
            • About HttpFS
            • HttpFS Packaging
            • HttpFS Prerequisites
            • Installing HttpFS
            • Configuring HttpFS
            • Starting the HttpFS Server
            • Stopping the HttpFS Server
            • Using the HttpFS Server with curl
          • Hue Installation
            • Supported Browsers for Hue
            • Upgrading Hue
            • Installing Hue
            • Configuring CDH Components for Hue
            • Hue Configuration
            • Administering Hue
              • Hue Database
            • Viewing the Hue User Guide
          • KMS Installation
          • Llama Installation
          • Mahout Installation
            • Upgrading Mahout
            • Installing Mahout
            • The Mahout Executable
            • Getting Started with Mahout
            • Viewing the Mahout Documentation
          • Oozie Installation
            • About Oozie
            • Oozie Packaging
            • Oozie Prerequisites
            • Upgrading Oozie
            • Installing Oozie
            • Configuring Oozie
            • Starting, Stopping, and Accessing the Oozie Server
            • Viewing the Oozie Documentation
          • Pig Installation
            • Upgrading Pig
            • Installing Pig
            • Using Pig with HBase
            • Installing DataFu
            • Viewing the Pig Documentation
          • Search Installation
            • Preparing to Install Cloudera Search
              • Choosing Where to Deploy the Cloudera Search Processes
              • Guidelines for Deploying Cloudera Search
            • Installing Cloudera Search
              • Installing Cloudera Search without Cloudera Manager
              • Deploying Cloudera Search
              • Installing the Spark Indexer
              • Installing MapReduce Tools for use with Cloudera Search
              • Installing the Lily HBase Indexer Service
            • Upgrading Cloudera Search
            • Installing Hue Search
              • Updating Hue Search
          • Sentry Installation
          • Snappy Installation
            • Upgrading Snappy
            • Installing Snappy
            • Using Snappy for MapReduce Compression
            • Using Snappy for Pig Compression
            • Using Snappy for Hive Compression
            • Using Snappy Compression in Sqoop 1 and Sqoop 2 Imports
            • Using Snappy Compression with HBase
            • Viewing the Snappy Documentation
          • Spark Installation
            • Spark Packaging
            • Spark Prerequisites
            • Installing and Upgrading Spark
            • Configuring and Running Spark (Standalone Mode)
            • Running Spark Applications
            • Running a Crunch Application with Spark
          • Sqoop 1 Installation
            • Upgrading Sqoop 1 from an Earlier CDH 5 release
            • Sqoop 1 Packaging
            • Sqoop 1 Prerequisites
            • Installing the Sqoop 1 RPM or Debian Packages
            • Installing the Sqoop 1 Tarball
            • Installing the JDBC Drivers for Sqoop 1
            • Setting HADOOP_MAPRED_HOME
            • Viewing the Sqoop 1 Documentation
          • Sqoop 2 Installation
            • Upgrading Sqoop 2 from an Earlier CDH 5 Release
            • Installing Sqoop 2
            • Configuring Sqoop 2
            • Starting, Stopping, and Accessing the Sqoop 2 Server
            • Viewing the Sqoop 2 Documentation
            • Feature Differences - Sqoop 1 and Sqoop 2
          • Whirr Installation
            • Upgrading Whirr
            • Installing Whirr
            • Generating an SSH Key Pair for Whirr
            • Defining a Whirr Cluster
            • Managing a Cluster with Whirr
            • Viewing the Whirr Documentation
          • ZooKeeper Installation
            • Upgrading ZooKeeper from an Earlier CDH 5 Release
            • Installing the ZooKeeper Packages
            • Maintaining a ZooKeeper Server
            • Viewing the ZooKeeper Documentation
          • Avro Usage
            • Avro Data Files
            • Compression for Avro Data Files
            • Using Flume with Avro
            • Importing Avro Files with Sqoop 1 Using the Command Line
            • Using Avro with MapReduce
            • Streaming
            • Using Avro with Pig
            • Using Avro with Hive
          • Using the Parquet File Format with Impala, Hive, Pig, and MapReduce
        • Building RPMs from CDH Source RPMs
          • Prerequisites
          • Setting up an environment for building RPMs
          • Building an RPM
        • Apache and Third-Party Licenses
          • Apache License
          • Third-Party Licenses
        • Uninstalling CDH Components
        • Viewing the Apache Hadoop Documentation
    • Troubleshooting Installation and Upgrade Problems
  • Upgrade
  • Cloudera Administration
    • Configuring CDH and Managed Services
      • Configuring CDH and Managed Services Using Cloudera Manager
        • Configuration Overview
          • Modifying Configuration Properties
          • Autoconfiguration
          • Custom Configuration
          • Stale Configurations
          • Client Configuration Files
          • Viewing and Reverting Configuration Changes
          • Exporting and Importing Cloudera Manager Configuration
        • Managing Clusters
          • Adding and Deleting Clusters
          • Starting, Stopping, Refreshing, and Restarting a Cluster
          • Renaming a Cluster
          • Cluster-Wide Configuration
          • Moving a Host Between Clusters
        • Managing Services
          • Adding a Service
          • Add-on Services
          • Starting, Stopping, and Restarting Services
          • Rolling Restart
          • Aborting a Pending Command
          • Deleting Services
          • Renaming a Service
          • Configuring Maximum File Descriptors
        • Managing Roles
          • Role Instances
          • Role Groups
        • Managing Individual Services
          • The Flume Service
          • The HBase Service
            • Hedged Reads
          • The HDFS Service
            • Federated Nameservices
            • NameNodes
            • DataNodes
            • Backing Up HDFS Metadata
            • Configuring HDFS Trash
            • The HDFS Balancer
            • Enabling WebHDFS
            • Adding HttpFS
            • Adding and Configuring an NFS Gateway
            • Setting HDFS Quotas
          • The Hive Service
            • Hive Table Statistics
            • Using User-Defined Functions (UDFs) with HiveServer2
          • The Hue Service
          • The Impala Service
          • The Isilon Service
          • The Key-Value Store Indexer Service
          • Managing MapReduce and YARN
            • The MapReduce Service
            • Managing YARN
          • The Oozie Service
          • The Solr Service
          • Managing Spark Using Cloudera Manager
          • The Sqoop 1 Client
          • The Sqoop 2 Service
          • The ZooKeeper Service
          • Configuring Services to Use the GPL Extras Parcel
        • Managing Hosts
          • Viewing Host Details
          • Using the Host Inspector
          • Adding a Host to the Cluster
          • Specifying Racks for Hosts
          • Host Templates
          • Maintenance Mode
          • Decommissioning and Recommissioning Hosts
          • Deleting Hosts
        • Cloudera Manager 5.2 Configuration Properties
          • Cloudera Manager 5.2 Configuration Properties
          • CDH 5.2.0 Properties
            • Accumulo 1.6 Properties in CDH 5.2.0
            • Flume Properties in CDH 5.2.0
            • HBase Properties in CDH 5.2.0
            • HDFS Properties in CDH 5.2.0
            • Hive Properties in CDH 5.2.0
            • Hue Properties in CDH 5.2.0
            • Impala Properties in CDH 5.2.0
            • Isilon Properties in CDH 5.2.0
            • Key Trustee Properties in CDH 5.2.0
            • Key-Value Store Indexer Properties in CDH 5.2.0
            • KMS Properties in CDH 5.2.0
            • MapReduce Properties in CDH 5.2.0
            • Oozie Properties in CDH 5.2.0
            • Sentry Properties in CDH 5.2.0
            • Solr Properties in CDH 5.2.0
            • Spark Properties in CDH 5.2.0
            • Spark (Standalone) Properties in CDH 5.2.0
            • Sqoop 1 Client Properties in CDH 5.2.0
            • Sqoop 2 Properties in CDH 5.2.0
            • YARN (MR2 Included) Properties in CDH 5.2.0
            • ZooKeeper Properties in CDH 5.2.0
          • CDH 5.1.0 Properties
            • Accumulo 1.6 Properties in CDH 5.1.0
            • Flume Properties in CDH 5.1.0
            • HBase Properties in CDH 5.1.0
            • HDFS Properties in CDH 5.1.0
            • Hive Properties in CDH 5.1.0
            • Hue Properties in CDH 5.1.0
            • Impala Properties in CDH 5.1.0
            • Isilon Properties in CDH 5.1.0
            • Key Trustee Properties in CDH 5.1.0
            • Key-Value Store Indexer Properties in CDH 5.1.0
            • KMS Properties in CDH 5.1.0
            • MapReduce Properties in CDH 5.1.0
            • Oozie Properties in CDH 5.1.0
            • Sentry Properties in CDH 5.1.0
            • Solr Properties in CDH 5.1.0
            • Spark Properties in CDH 5.1.0
            • Spark (Standalone) Properties in CDH 5.1.0
            • Sqoop 1 Client Properties in CDH 5.1.0
            • Sqoop 2 Properties in CDH 5.1.0
            • YARN (MR2 Included) Properties in CDH 5.1.0
            • ZooKeeper Properties in CDH 5.1.0
          • CDH 5.0.0 Properties
            • Accumulo 1.6 Properties in CDH 5.0.0
            • Flume Properties in CDH 5.0.0
            • HBase Properties in CDH 5.0.0
            • HDFS Properties in CDH 5.0.0
            • Hive Properties in CDH 5.0.0
            • Hue Properties in CDH 5.0.0
            • Impala Properties in CDH 5.0.0
            • Isilon Properties in CDH 5.0.0
            • Key Trustee Properties in CDH 5.0.0
            • Key-Value Store Indexer Properties in CDH 5.0.0
            • KMS Properties in CDH 5.0.0
            • MapReduce Properties in CDH 5.0.0
            • Oozie Properties in CDH 5.0.0
            • Solr Properties in CDH 5.0.0
            • Spark Properties in CDH 5.0.0
            • Spark (Standalone) Properties in CDH 5.0.0
            • Sqoop 1 Client Properties in CDH 5.0.0
            • Sqoop 2 Properties in CDH 5.0.0
            • YARN (MR2 Included) Properties in CDH 5.0.0
            • ZooKeeper Properties in CDH 5.0.0
          • Host Configuration Properties
          • Cloudera Manager Server Properties
          • Cloudera Management Service
      • Configuring and Using CDH from the Command Line
        • Starting CDH Services
          • Configuring init to Start Hadoop System Services
        • Stopping CDH Services Using the Command Line
        • Migrating Data between Clusters Using distcp
          • Copying Data between two Clusters Using distcp
          • Copying Data between a Secure and an Insecure Cluster using DistCp and webHDFS
          • Post-migration Verification
        • Configuring HDFS
          • Configuring an NFSv3 Gateway
          • Configuring Mountable HDFS
          • Using the HDFS Balancer
          • Setting HDFS Quotas
          • Configuring Centralized Cache Management in HDFS
        • Configuring and Using HBase
          • Reading Data from HBase
          • HBase Filtering
          • Writing Data to HBase
          • Checking and Repairing HBase Tables
        • Configuring Impala
          • Post-Installation Configuration for Impala
          • Configuring Impala to Work with ODBC
          • Configuring Impala to Work with JDBC
    • Resource Management
      • Managing Resources with Cloudera Manager
        • Linux Control Groups
        • Static Service Pools
        • Dynamic Resource Pools
        • Managing the Impala Llama ApplicationMaster
      • Impala Resource Management
        • Admission Control and Query Queuing
        • Integrated Resource Management with YARN
    • Performance Management
      • Optimizing Performance in CDH
      • Configuring Short-Circuit Reads
      • Choosing a Data Compression Format
      • Tuning the Solr Server
      • Tuning YARN
    • High Availability
      • HDFS High Availability
        • Introduction to HDFS High Availability
        • Configuring Hardware for HDFS HA
        • Enabling HDFS HA
        • Disabling and Redeploying HDFS HA
        • Configuring Other CDH Components to Use HDFS HA
        • Administering an HDFS High Availability Cluster
      • MapReduce (MRv1) and YARN (MRv2) High Availability
        • YARN (MRv2) ResourceManager High Availability
        • Work Preserving Recovery for YARN Components
        • MapReduce (MRv1) JobTracker High Availability
          • Usage Notes
      • High Availability for Other CDH Components
        • HBase High Availability
        • Hive Metastore High Availability
        • Llama High Availability
        • Oozie High Availability
        • Search High Availability
    • Backup and Disaster Recovery
      • Backup and Disaster Recovery Overview
      • Data Replication
        • Designating a Replication Source
        • HBase Replication
        • HDFS Replication
        • Hive Replication
        • Impala Metadata Replication
        • Using Snapshots with Replication
        • Enabling Replication Between Clusters in Different Kerberos Realms
      • Snapshots
        • Cloudera Manager Snapshot Policies
        • Managing HBase Snapshots
        • Managing HDFS Snapshots
    • Cloudera Manager Administration
      • Managing the Cloudera Manager Server and Agents
        • Starting, Stopping, and Restarting the Cloudera Manager Server
        • Configuring Cloudera Manager Server Ports
        • Moving the Cloudera Manager Server to a New Host
        • Starting, Stopping, and Restarting Cloudera Manager Agents
        • Configuring Cloudera Manager Agents
        • Managing Cloudera Manager Server and Agent Logs
        • Changing Hostnames
        • Configuring Network Settings
        • Managing Alerts
          • Configuring Alert Email Delivery
          • Configuring Alert SNMP Delivery
        • Managing Licenses
        • Sending Usage and Diagnostic Data to Cloudera
        • Exporting and Importing Cloudera Manager Configuration
        • Other Cloudera Manager Tasks and Settings
        • Displaying the Cloudera Manager Server Version and Server Time
        • Displaying Cloudera Manager Documentation
      • Cloudera Management Service
    • Cloudera Navigator Administration
      • Cloudera Navigator Audit Server
      • Cloudera Navigator Metadata Server
      • Displaying the Cloudera Navigator Version
      • Displaying Cloudera Navigator Documentation
  • Cloudera Governance
    • Cloudera Navigator Auditing Architecture
      • Audit Log Properties
      • Service Auditing Properties
        • Auditing
      • Audit Events and Audit Reports
      • Downloading HDFS Directory Access Permission Reports
    • Cloudera Navigator Metadata Component
      • Metadata
        • About Metadata Search
        • Accessing Metadata Using Cloudera Navigator
        • Modifying Custom Metadata
      • Metadata Extraction Policies
      • Introduction to Cloudera Navigator Lineage Diagrams
      • Tables
  • Cloudera Operation
    • Monitoring and Diagnostics
      • Introduction to Cloudera Manager Monitoring
        • Starting and Logging into the Admin Console
        • Time Line
        • Health Tests
        • Cloudera Manager Admin Console Home Page
        • Viewing Charts for Cluster, Service, Role, and Host Instances
        • Configuring Monitoring Settings
      • Monitoring Clusters
      • Monitoring Services
        • Monitoring Service Status
        • Viewing Service Status
        • Viewing Service Instance Details
        • Viewing Role Instance Status
          • The Processes Tab
        • Running Diagnostic Commands for Roles
        • Period Stacks Collection
        • Managing and Monitoring Federated HDFS
        • Viewing Running and Recent Commands
        • Monitoring Resource Management
      • Monitoring Hosts
        • Host Details
        • Host Inspector
      • Monitoring Activities
        • MapReduce Jobs
          • Viewing and Filtering MapReduce Activities
          • Viewing the Jobs in a Pig, Oozie, or Hive Activity
          • Task Attempts
          • Viewing Activity Details in a Report Format
          • Comparing Similar Activities
          • Viewing the Distribution of Task Attempts
        • Monitoring Impala Queries
          • Query Details
        • YARN Applications
      • Events
      • Alerts
      • Triggers
      • Audit Events
      • Charting Time-Series Data
        • Dashboards
        • tsquery Language
        • Metric Aggregation
      • Logs
        • Viewing Cloudera Manager Server and Agent Logs
      • Reports
        • Disk Usage Reports
        • Activity, Application, and Query Reports
        • The File Browser
        • Downloading HDFS Directory Access Permission Reports
      • Troubleshooting Cluster Configuration and Operation
    • Cloudera Manager Metrics
      • Accumulo Metrics
      • Accumulo 1.6 Metrics
      • Activity Metrics
      • Activity Monitor Metrics
      • Agent Metrics
      • Alert Publisher Metrics
      • Attempt Metrics
      • Beeswax Server Metrics
      • Cloudera Management Service Metrics
      • Cloudera Manager Server Metrics
      • Cluster Metrics
      • DataNode Metrics
      • Directory Metrics
      • Disk Metrics
      • Event Server Metrics
      • Failover Controller Metrics
      • Filesystem Metrics
      • Flume Metrics
      • Flume Channel Metrics
      • Flume Sink Metrics
      • Flume Source Metrics
      • Garbage Collector Metrics
      • HBase Metrics
      • HBase Namespace Metrics
      • HBase REST Server Metrics
      • HBase Region Metrics
      • HBase Table Metrics
      • HBase Thrift Server Metrics
      • HDFS Metrics
      • HDFS Cache Directive Metrics
      • HDFS Cache Pool Metrics
      • History Server Metrics
      • Hive Metrics
      • Hive Metastore Server Metrics
      • HiveServer2 Metrics
      • Host Metrics
      • Host Monitor Metrics
      • HttpFS Metrics
      • Hue Metrics
      • Hue Server Metrics
      • Impala Metrics
      • Impala Catalog Server Metrics
      • Impala Daemon Metrics
      • Impala Daemon Pool Metrics
      • Impala Llama ApplicationMaster Metrics
      • Impala Pool Metrics
      • Impala Query Metrics
      • Impala StateStore Metrics
      • Isilon Metrics
      • JobHistory Server Metrics
      • JobTracker Metrics
      • JournalNode Metrics
      • Kerberos Ticket Renewer Metrics
      • Key Management Server Metrics
      • Key Management Server Proxy Metrics
      • Key Trustee Metrics
      • Key-Value Store Indexer Metrics
      • Lily HBase Indexer Metrics
      • Logger Metrics
      • MapReduce Metrics
      • Master Metrics
      • Monitor Metrics
      • NFS Gateway Metrics
      • NameNode Metrics
      • Navigator Audit Server Metrics
      • Navigator Metadata Server Metrics
      • Network Interface Metrics
      • NodeManager Metrics
      • Oozie Metrics
      • Oozie Server Metrics
      • Rack Metrics
      • RegionServer Metrics
      • Reports Manager Metrics
      • ResourceManager Metrics
      • SecondaryNameNode Metrics
      • Sentry Metrics
      • Sentry Server Metrics
      • Server Metrics
      • Service Monitor Metrics
      • Solr Metrics
      • Solr Collection Metrics
      • Solr Replica Metrics
      • Solr Server Metrics
      • Solr Shard Metrics
      • Spark Metrics
      • Spark (Standalone) Metrics
      • Sqoop 1 Client Metrics
      • Sqoop 2 Metrics
      • Sqoop 2 Server Metrics
      • Tablet Server Metrics
      • TaskTracker Metrics
      • Time Series Table Metrics
      • Tracer Metrics
      • User Metrics
      • WebHCat Server Metrics
      • Worker Metrics
      • YARN (MR2 Included) Metrics
      • YARN Pool Metrics
      • ZooKeeper Metrics
    • Cloudera Manager Health Tests
      • Activity Monitor Health Tests
      • Alert Publisher Health Tests
      • Beeswax Server Health Tests
      • Cloudera Management Service Health Tests
      • DataNode Health Tests
      • Event Server Health Tests
      • Failover Controller Health Tests
      • Flume Health Tests
      • Flume Agent Health Tests
      • Garbage Collector Health Tests
      • HBase Health Tests
      • HBase REST Server Health Tests
      • HBase Thrift Server Health Tests
      • HDFS Health Tests
      • History Server Health Tests
      • Hive Health Tests
      • Hive Metastore Server Health Tests
      • HiveServer2 Health Tests
      • Host Health Tests
      • Host Monitor Health Tests
      • HttpFS Health Tests
      • Hue Health Tests
      • Hue Server Health Tests
      • Impala Health Tests
      • Impala Catalog Server Health Tests
      • Impala Daemon Health Tests
      • Impala Llama ApplicationMaster Health Tests
      • Impala StateStore Health Tests
      • JobHistory Server Health Tests
      • JobTracker Health Tests
      • JournalNode Health Tests
      • Kerberos Ticket Renewer Health Tests
      • Key Management Server Health Tests
      • Key Management Server Proxy Health Tests
      • Key-Value Store Indexer Health Tests
      • Lily HBase Indexer Health Tests
      • Logger Health Tests
      • MapReduce Health Tests
      • Master Health Tests
      • Monitor Health Tests
      • NFS Gateway Health Tests
      • NameNode Health Tests
      • Navigator Audit Server Health Tests
      • Navigator Metadata Server Health Tests
      • NodeManager Health Tests
      • Oozie Health Tests
      • Oozie Server Health Tests
      • RegionServer Health Tests
      • Reports Manager Health Tests
      • ResourceManager Health Tests
      • SecondaryNameNode Health Tests
      • Sentry Health Tests
      • Sentry Server Health Tests
      • Service Monitor Health Tests
      • Solr Health Tests
      • Solr Server Health Tests
      • Sqoop 2 Health Tests
      • Sqoop 2 Server Health Tests
      • Tablet Server Health Tests
      • TaskTracker Health Tests
      • Tracer Health Tests
      • WebHCat Server Health Tests
      • Worker Health Tests
      • YARN (MR2 Included) Health Tests
      • ZooKeeper Health Tests
      • ZooKeeper Server Health Tests
  • Cloudera Security
    • Authentication
      • Configuring Authentication in Cloudera Manager
        • Cloudera Manager User Accounts
        • Configuring External Authentication for Cloudera Manager
        • Kerberos Principals and Keytabs
        • Enabling Kerberos Authentication Using the Wizard
          • Step 1: Install Cloudera Manager and CDH
          • Step 2: If You are Using AES-256 Encryption, Install the JCE Policy File
          • Step 3: Get or Create a Kerberos Principal for the Cloudera Manager Server
          • Step 4: Enabling Kerberos Using the Wizard
          • Step 5: Create the HDFS Superuser
          • Step 6: Get or Create a Kerberos Principal for Each User Account
          • Step 7: Prepare the Cluster for Each User
          • Step 8: Verify that Kerberos Security is Working
          • Step 9: (Optional) Enable Authentication for HTTP Web Consoles for Hadoop Roles
        • Viewing and Regenerating Kerberos Principals
        • Mapping Kerberos Principals to Short Names
        • Enabling Kerberos Authentication Without the Wizard
          • Step 1: Install Cloudera Manager and CDH
          • Step 2: If You are Using AES-256 Encryption, Install the JCE Policy File
          • Step 3: Get or Create a Kerberos Principal for the Cloudera Manager Server
          • Step 4: Import KDC Account Manager Credentials
          • Step 5: Configure the Kerberos Default Realm in the Cloudera Manager Admin Console
          • Step 6: Stop All Services
          • Step 7: Enable Hadoop Security
          • Step 8: Wait for the Generate Credentials Command to Finish
          • Step 9: Enable Hue to Work with Hadoop Security using Cloudera Manager
          • Step 10: (Flume Only) Use Substitution Variables for the Kerberos Principal and Keytab
          • Step 11: (CDH 4.0 and 4.1 only) Configure Hue to Use a Local Hive Metastore
          • Step 12: Start All Services
          • Step 13: Deploy Client Configurations
          • Step 14: Create the HDFS Superuser Principal
          • Step 15: Get or Create a Kerberos Principal for Each User Account
          • Step 16: Prepare the Cluster for Each User
          • Step 17: Verify that Kerberos Security is Working
          • Step 18: (Optional) Enable Authentication for HTTP Web Consoles for Hadoop Roles
      • Configuring Authentication in Cloudera Navigator
        • Configuring External Authentication for Cloudera Navigator
        • Managing Users and Groups for Cloudera Navigator
      • Configuring Authentication in CDH Using the Command Line
        • Enabling Kerberos Authentication for Hadoop Using the Command Line
          • Step 1: Install CDH 5
          • Step 2: Verify User Accounts and Groups in CDH 5 Due to Security
          • Step 3: If you are Using AES-256 Encryption, Install the JCE Policy File
          • Step 4: Create and Deploy the Kerberos Principals and Keytab Files
          • Step 5: Shut Down the Cluster
          • Step 6: Enable Hadoop Security
          • Step 7: Configure Secure HDFS
          • Optional Step 8: Configuring Security for HDFS High Availability
          • Optional Step 9: Configure secure WebHDFS
          • Optional Step 10: Configuring a secure HDFS NFS Gateway
          • Step 11: Set Variables for Secure DataNodes
          • Step 12: Start up the NameNode
          • Step 12: Start up a DataNode
          • Step 14: Set the Sticky Bit on HDFS Directories
          • Step 15: Start up the Secondary NameNode (if used)
          • Step 16: Configure Either MRv1 Security or YARN Security
            • Configuring MRv1 Security
            • Configuring YARN Security
        • Flume Authentication
          • Configuring Flume's Security Properties
          • Flume Account Requirements
          • Testing the Flume HDFS Sink Configuration
          • Writing to a Secure HBase cluster
        • HBase Authentication
          • Configuring Kerberos Authentication for HBase
          • Configuring Secure HBase Replication
          • Configuring the HBase Client TGT Renewal Period
        • HCatalog Authentication
        • Hive Authentication
          • HiveServer2 Security Configuration
          • Hive Metastore Server Security Configuration
          • Using Hive to Run Queries on a Secure HBase Server
        • HttpFS Authentication
        • Hue Authentication
          • Configuring Kerberos Authentication for Hue
          • Integrating Hue with LDAP
          • Configuring Hue for SAML
        • Impala Authentication
          • Enabling Kerberos Authentication for Impala
          • Enabling LDAP Authentication for Impala
          • Using Multiple Authentication Methods with Impala
          • Configuring Impala Delegation for Hue and BI Tools
        • Llama Authentication
        • Oozie Authentication
          • Configuring Kerberos Authentication for the Oozie Server
          • Configuring Oozie HA with Kerberos
        • Search Authentication
        • ZooKeeper Authentication
        • FUSE Kerberos Configuration
        • Using kadmin to Create Kerberos Keytab Files
        • Configuring the Mapping from Kerberos Principals to Short Names
        • Enabling Debugging Output for the Sun Kerberos Classes
      • Configuring a Cluster-dedicated MIT KDC and Default Domain for a Cluster
      • Integrating Hadoop Security with Active Directory
      • Integrating Hadoop Security with Alternate Authentication
      • Configuring LDAP Group Mappings
      • Hadoop Users in Cloudera Manager and CDH
      • Authenticating Kerberos Principals in Java Code
      • Using a Web Browser to Access an URL Protected by Kerberos HTTP SPNEGO
      • Troubleshooting Authentication Issues
    • Encryption
      • SSL Certificates Overview
        • Creating Certificates
        • Creating Java Keystores and Truststores
        • Private Key and Certificate Reuse Across Java Keystores and OpenSSL
      • Configuring TLS Security for Cloudera Manager
        • Configuring TLS Encryption Only for Cloudera Manager
        • Level 1: Configuring TLS Encryption for Cloudera Manager Agents
        • Level 2: Configuring TLS Verification of Cloudera Manager Server by the Agents
        • Level 3: Configuring TLS Authentication of Agents to the Cloudera Manager Server
        • HTTPS Communication in Cloudera Manager
      • Configuring SSL/TLS Encryption for CDH Services
        • Configuring SSL for HDFS, YARN and MapReduce
        • Configuring SSL for HBase
        • Configuring SSL for Oozie
        • Configuring SSL for Hue
        • Configuring SSL for Impala
        • Configuring HttpFS to use SSL
        • Encrypted Shuffle and Encrypted Web UIs
      • HDFS Data At Rest Encryption
        • Configuring the Key Management Server (KMS)
        • Securing the Key Management Server (KMS)
        • Configuring CDH Services for HDFS Encryption
      • Configuring Encrypted HDFS Data Transport
      • Troubleshooting SSL/TLS Connectivity
    • Authorization
      • Cloudera Manager User Roles
      • Cloudera Navigator User Roles
      • Enabling HDFS Extended ACLs
      • The Sentry Service
        • Installing and Upgrading the Sentry Service
        • Migrating from Sentry Policy Files to the Sentry Service
        • Configuring the Sentry Service
        • Hive SQL Syntax for Use with Sentry
      • Sentry Policy File Authorization
        • Installing and Upgrading Sentry for Policy File Authorization
        • Configuring Sentry Policy File Authorization Using Cloudera Manager
        • Configuring Sentry Policy File Authorization Using the Command Line
      • Enabling Sentry Authorization for Impala
      • Enabling Sentry Authorization for Search
      • Configuring HBase Authorization
    • Overview of Impala Security
      • Security Guidelines for Impala
      • Securing Impala Data and Log Files
      • Installation Considerations for Impala Security
      • Securing the Hive Metastore Database
      • Securing the Impala Web User Interface
    • Miscellaneous Topics
      • Jsvc, Task Controller and Container Executor Programs
        • MRv1 ONLY: Task-controller Error Codes
        • YARN ONLY: Container-executor Error Codes
      • Sqoop, Pig, and Whirr Security Support Status
      • Setting Up a Gateway Node to Restrict Cluster Access
      • Logging a Security Support Case
      • Using Antivirus Software on CDH Hosts
  • Cloudera Impala Guide
    • Concepts and Architecture
      • Components
      • Developing Applications
      • Role in the Hadoop Ecosystem
    • Deployment Planning
      • Requirements
      • Designing Schemas
    • Tutorials
    • Administration
      • Setting Timeouts
      • Load-Balancing Proxy for HA
      • Managing Disk Space
    • SQL Reference
      • Comments
      • Data Types
        • BIGINT
        • BOOLEAN
        • CHAR
        • DECIMAL
        • DOUBLE
        • FLOAT
        • INT
        • REAL
        • SMALLINT
        • STRING
        • TIMESTAMP
        • TINYINT
        • VARCHAR
      • Literals
      • SQL Operators
      • Schema Objects and Object Names
        • Aliases
        • Databases
        • Functions
        • Identifiers
        • Tables
        • Views
      • SQL Statements
        • DDL Statements
        • DML Statements
        • ALTER TABLE
        • ALTER VIEW
        • COMPUTE STATS
        • CREATE DATABASE
        • CREATE FUNCTION
        • CREATE ROLE
        • CREATE TABLE
        • CREATE VIEW
        • DESCRIBE
        • DROP DATABASE
        • DROP FUNCTION
        • DROP ROLE
        • DROP TABLE
        • DROP VIEW
        • EXPLAIN
        • GRANT
        • INSERT
        • INVALIDATE METADATA
        • LOAD DATA
        • REFRESH
        • REVOKE
        • SELECT
          • Joins
          • ORDER BY Clause
          • GROUP BY Clause
          • HAVING Clause
          • LIMIT Clause
          • OFFSET Clause
          • UNION Clause
          • Subqueries
          • WITH Clause
          • DISTINCT Operator
          • Hints
        • SET
          • Query Options for the SET Statement
            • ABORT_ON_DEFAULT_LIMIT_EXCEEDED
            • ABORT_ON_ERROR
            • ALLOW_UNSUPPORTED_FORMATS
            • APPX_COUNT_DISTINCT
            • BATCH_SIZE
            • COMPRESSION_CODEC
            • DEBUG_ACTION
            • DEFAULT_ORDER_BY_LIMIT
            • DISABLE_CODEGEN
            • DISABLE_UNSAFE_SPILLS
            • EXPLAIN_LEVEL
            • HBASE_CACHE_BLOCKS
            • HBASE_CACHING
            • MAX_ERRORS
            • MAX_IO_BUFFERS
            • MAX_SCAN_RANGE_LENGTH
            • MEM_LIMIT
            • NUM_NODES
            • NUM_SCANNER_THREADS
            • PARQUET_COMPRESSION_CODEC
            • PARQUET_FILE_SIZE
            • QUERY_TIMEOUT_S
            • REQUEST_POOL
            • RESERVATION_REQUEST_TIMEOUT
            • SUPPORT_START_OVER
            • SYNC_DDL
            • V_CPU_CORES
        • SHOW
        • USE
      • Built-In Functions
        • Mathematical Functions
        • Type Conversion Functions
        • Date and Time Functions
        • Conditional Functions
        • String Functions
        • Miscellaneous Functions
        • Aggregate Functions
          • APPX_MEDIAN
          • AVG
          • COUNT
          • GROUP_CONCAT
          • MAX
          • MIN
          • NDV
          • STDDEV, STDDEV_SAMP, STDDEV_POP
          • SUM
          • VARIANCE, VARIANCE_SAMP, VARIANCE_POP, VAR_SAMP, VAR_POP
        • Analytic Functions
        • Impala User-Defined Functions (UDFs)
      • SQL Differences Between Impala and Hive
      • Porting SQL
    • The Impala Shell
      • Configuration Options
      • Connecting to impalad
      • Running Commands and SQL Statements
      • Command Reference
    • Performance Tuning
      • Performance Best Practices
      • Join Performance
      • Table and Column Statistics
      • Benchmarking
      • Controlling Resource Usage
      • HDFS Caching
      • Testing Impala Performance
      • EXPLAIN Plans and Query Profiles
      • HDFS Block Skew
    • Scalability Considerations
    • Partitioning
    • File Formats
      • Text Data Files
      • Parquet Data Files
      • Avro Data Files
      • RCFile Data Files
      • SequenceFile Data Files
    • HBase Tables
    • Logging
    • Troubleshooting Impala
      • Web User Interface
    • Ports Used by Impala
    • Impala Reserved Words
    • Impala Frequently Asked Questions
  • Cloudera Search Guide
    • Cloudera Search User Guide
      • Cloudera Search Overview
      • Understanding Cloudera Search
        • Cloudera Search and Other Cloudera Components
        • Cloudera Search Architecture
        • Cloudera Search Tasks and Processes
      • Cloudera Search Tutorial
        • Validating the Deployment with the Solr REST API
        • Preparing to Index Data with Cloudera Search
        • Using MapReduce Batch Indexing with Cloudera Search
        • Near Real Time (NRT) Indexing Using Flume and the Solr Sink
          • Deploying Solr Sink into the Flume Agent
          • Configuring the Flume Solr Sink
          • Configuring Flume Solr Sink to Sip from the Twitter Firehose
          • Starting the Flume Agent
          • Indexing a File Containing Tweets with Flume HTTPSource
          • Indexing a File Containing Tweets with Flume SpoolDirectorySource
        • Using Hue with Cloudera Search
      • Solrctl Reference
      • Spark Indexing
      • MapReduce Batch Indexing Reference
        • MapReduceIndexerTool
          • MapReduceIndexerTool Metadata
        • HdfsFindTool
      • Flume Near Real-Time Indexing Reference
        • Flume Morphline Solr Sink Configuration Options
        • Flume Morphline Interceptor Configuration Options
        • Flume Solr UUIDInterceptor Configuration Options
        • Flume Solr BlobHandler Configuration Options
        • Flume Solr BlobDeserializer Configuration Options
      • Extracting, Transforming, and Loading Data With Cloudera Morphlines
        • Example Morphline Usage
      • Using the Lily HBase Batch Indexer for Indexing
        • HBaseMapReduceIndexerTool
      • Configuring the Lily HBase NRT Indexer Service for Use with Cloudera Search
        • Using the Lily HBase NRT Indexer Service
      • Schemaless Mode Overview and Best Practices
      • Using Search through a Proxy for High Availability
      • Troubleshooting Cloudera Search
        • Static Solr Log Analysis
      • Cloudera Search Frequently Asked Questions
  • Cloudera Glossary
    • Cloudera Glossary
    • Cloudera Manager Glossary
    • Cloudera Search Glossary

MapReduce (MRv1) and YARN (MRv2) High Availability

This section covers:

  • YARN (MRv2) ResourceManager High Availability
  • Work Preserving Recovery for YARN Components
  • MapReduce (MRv1) JobTracker High Availability

Categories: High Availability | MapReduce | YARN | All Categories

Administering an HDFS High Availability Cluster
YARN (MRv2) ResourceManager High Availability
  • About Cloudera
  • Resources
  • Contact
  • Careers
  • Press
  • Documentation

United States: +1 888 789 1488
Outside the US: +1 650 362 0488

© 2021 Cloudera, Inc. All rights reserved. Apache Hadoop and associated open source project names are trademarks of the Apache Software Foundation. For a complete list of trademarks, click here.

If this documentation includes code, including but not limited to, code examples, Cloudera makes this available to you under the terms of the Apache License, Version 2.0, including any required notices. A copy of the Apache License Version 2.0 can be found here.

Terms & Conditions  |  Privacy Policy

Page generated February 3, 2021.