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ambari administration 2.7.4
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Administering Ambari
Administering Ambari
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Release Notes
Release Notes
Apache Ambari Release Notes
Descriptions of New Features
Behavioral Changes
Common Vulnerabilities and Exposures
Fixed Issues
Known Issues
Documentation Errata
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Installation & Upgrade
Apache Ambari Installation
Apache Ambari Major Upgrade
Apache Ambari Minor Upgrade
Apache Ambari Installation for IBM Power Systems
Apache Ambari Upgrade for IBM Power Systems
How To
Administering Ambari
Introducing Ambari administration
Understanding Ambari terminology
Accessing Cloudera's private repositories with Ambari
Setting up a local repository
Case study for setting up a local repository
Case study for setting up an HDP-GPL local repository
Using the Administrator role in Ambari Web
Log In to Ambari as administrator
Using the Ambari Admin page
Create a cluster
Using Ambari Blueprints
Export an Ambari Blueprint
Change the admin password
Changing your JDK
Move the ZooKeeper server
Rename a cluster
Register a remote cluster
Setting up Ambari to use an Internet proxy server
Configure Ambari server to use a proxy server
Configure yum to use Internet proxy settings
Managing cluster roles
Understanding cluster roles and access
Role based access control
Modify access levels for users and groups
Managing versions
Register a new version
Update version repository base urls
De-register a version
Managing local users
Manage privileges for local and ldap users
Create a local user
Set user status
Grant Ambari admin privileges
Configure password policy for users
Change the password for a local user
Delete a local user
Enable user home directory creation
Managing local group membership
Understanding group types
Modify group membership
Create a local group
Delete a local group
Installing Ambari agents manually
Download the Ambari repository on RHEL-CentOS-Oracle Linux 7
Install the Ambari agents manually on RHEL-CentOS-Oracle 7
Download the Ambari repository on Amazon Linux 2
Install the Ambari agents manually on Amazon Linux 2
Download the Ambari repository on SLES 11
Install the Ambari agents manually on SLES 11
Download the Ambari repository on SLES 12
Install the Ambari agents manually on SLES 12
Download the Ambari repository on Ubuntu 16
Install the Ambari agents manually on Ubuntu 16
Download the Ambari repository on Debian 9
Install the Ambari agents manually on Debian 9
Understanding service users and groups
Default user accounts
Default group accounts
Setting properties that depend on service or group user names
Understanding custom and private host names
Using custom and private host names
Configure a public host name
Configure a custom host name
Public host name limitations
Verifying public host name configuration
Changing host names
Moving the Ambari server
Back up current Ambari database
Update all Ambari agents
Install the new Ambari server
Populate the new Ambari database
Start the new Ambari server and agents
Kerberos Cluster
Configuring LZO compression
Enable LZO compression
Configure core-site.xml for LZO
Optional - Enable LZO using Ambari Blueprints
Disable automatic LZO library download and installation
Manually installing LZO libraries
Manually installing LZO on RHEL-CentOS-Oracle
Manually Installing LZO on SUSE Linux
Manually installing LZO on Ubuntu or Debian
Using LZO compression with Hive queries
Create LZO files
Write custom Java to create LZO files
Using an existing or installing a default database
Using an existing database with Ambari
Using Ambari with Oracle
Using Ambari with MySQL or MariaDB
Using Ambari with PostgreSQL
Using a new or existing database with Hive
Using Hive with Oracle
Using Hive with MySQL
Using Hive with PostgreSQL
Using an existing database with Oozie
Using Oozie with Oracle
Using Oozie with MySQL
Using Oozie with PostgreSQL
Example: Install MariaDB for use with multiple components
Configuring network port numbers
Default network port numbers for Ambari
Change the default Ambari server port
Change the default Ambari server-agent port
Tuning Ambari performance
Adjust Ambari server heap size
Increase Ambari server cache size
Adjust jdbc connection pool settings
Increase MySQL wait_timeout and interactive_timeout settings
Purge Ambari server database history
Optimize Ambari agent performance
Customizing Ambari log and pid directories
Finding Ambari log files
Configure Ambari logging level
Customizing Ambari agent log and pid directories
Managing host participation for HDFS and YARN
Ambari-managed host participation
Enable manage.include.files for HDFS
Enable manage.include.files for Yarn
Disable manage.include.files for HDFS
Disable manage.include.files for Yarn
Managing and Monitoring Your Hadoop Cluster
Introducing Ambari operations
Understanding Ambari architecture
Access Ambari
Access Ambari Admin page
Working with the cluster dashboard
Open the cluster dashboard
Scan operating status
Monitor service metrics
View cluster health
View cluster heatmaps
Finding current stack and versions information
Viewing service account user names
Modifying the cluster dashboard
Replace a removed widget
Reset the dashboard
Customize metrics display
Managing Hosts
View host status
Find a host in the cluster
Perform host level actions
Add a host to a cluster
Manage components on a host
Decommission a host
Decommission a NodeManager
Decommission a RegionServer
Decommission a DataNode
Delete a component
Delete a host from a cluster
Bulk add or delete hosts
Setting Maintenance Mode
Set Maintenance Mode for a host
Set Maintenance Mode for a service
Establishing Rack Awareness
Set the rack id for Ambari
Set the rack id on a host
Set the rack id using a custom topology script
Managing Services
View service summary
Find quick links to service information
Link to the native user interface
Add or remove a service widget
Create a service widget
Delete a service widget
Export widget graph data
Set display timezone
Modify the service metrics dashboard
Performing service actions
Start all services
Stop all services
Add a service
Restart multiple components
Set rolling restart parameters
Monitor background operations
Abort a rolling restart
Enable Service Auto Start from Ambari Web
Disable service auto start settings from Ambari Web
Remove a service
Bulk add or delete service components
Read audit log files
Enable the Oozie UI
Enable the Oozie UI on CentOS RHEL Oracle Linux 7 PPC
Enable the Oozie UI on CentOS RHEL Oracle Linux 7
Enable the Oozie UI on Suse11 sp4
Enable the Oozie UI on Suse 11 sp3
Enable the Oozie UI on SLES 12
Enable the Oozie UI on Ubuntu 14
Enable the Oozie UI on Ubuntu 16
Enable the Oozie UI on Debian 9
Refresh YARN Capacity Scheduler
Restart all required services
Managing service configuration settings
Change configuration settings
Adjust Smart Config settings
Edit specific configuration properties
Review and confirm configuration changes
Restart components
Download client configuration files for a service
Download all client configuration files for a cluster
Managing service configuration versions
Understanding service configuration versions
Service configuration terminology
Save a service configuration change
View service configuration history
Compare service configuration versions
Make a previous service version current
Managing HDFS
Rebalance HDFS blocks
Tune HDFS garbage collection
Customize the HDFS home directory
Configure HDFS Federation
Configure ViewFs
Start Kerberos wizard from Ambari Web
Regenerate Kerberos keytabs from Ambari Web
Disable Kerberos from Ambari Web
Configuring log settings
Limit the size and number of backup log files for a service
Customize log4j settings for a service
Managing host configuration groups
Create a new host configuration group
Add a host to a configuraton group
Edit settings for a configuraton group
Host configuration groups example workflow
Managing Alerts and Notifications
Understanding alerts
Alert types
Find alerts for a service
Modify an alert
Modify the global alert check count
Override the global alert check count
Enabling an alert
Disabling an alert
View the alert status log
Understanding notifications
Create an alert notification
Create an alert group
Understanding dispatch notifications
Customize notification templates
Predefined Alerts
HDFS alerts
HDFS high availability alerts
NameNode high availability alerts
YARN alerts
MapReduce2 alerts
HBase service alerts
Hive alerts
Oozie alerts
ZooKeeper alerts
Ambari alerts
Ambari metrics alerts
SmartSense alerts
Managing High Availability of Services
Managing high availability
Enabling AMS high availability
Configuring NameNode high availability
Enable NameNode high availability
Manage JournalNodes
Rolling back NameNode high availablity
Stop HBase
Checkpoint the active NameNode
Stop all services
Prepare the Ambari server host for NameNode rollback
Restore the HBase configuration
Delete ZooKeeper failover controllers
Modify HDFS configurations
Re-create the standby NameNode
Re-enable the standby NameNode
Delete all JournalNodes
Delete the additional NameNode
Verify the HDFS components
Start HDFS
Configuring ResourceManager high availability
Enable ResourceManager high availability
Disable ResourceManager high availability
Configuring HBase high availability
Add a new HBase master to an existing cluster
Add a standby HBase master to a new cluster
Setting Up Multiple HBase Masters Manually
Configure passwordless ssh access for HBase
Prepare node-1 for Hbase
Prepare node-2 and node-3 for Hbase
Start and test your HBase cluster
Configuring Hive high availability
Add a Hive metastore component
Add a HiveServer2 component
Add a WebHCat server
Configuring Storm high availability
Add a Nimbus Component
Configuring Oozie high availability
Add an Oozie server component
Configuring Atlas high availability
Enabling Ranger admin high availability
Using Ambari Core Services
Using Ambari Core Services
Understanding Ambari Metrics System
Access Grafana
View Grafana dashboards
View selected metrics in a Grafana dashboard
View metrics for selected hosts
Grafana dashboards reference
AMS HBase dashboards
AMS HBase Home
AMS HBase RegionServers
AMS HBase Misc
Ambari dashboards
Ambari Server database
Ambari Server JVM
Ambari Server top n
Druid Dashboards
Druid Home
Druid Ingestion
Druid Query
HDFS Dashboards
HDFS Home
HDFS NameNodes
HDFS DataNodes
HDFS top n
HDFS Users
YARN Dashboards
YARN Home
YARN Applications
YARN MR JobHistory Server
YARN NodeManagers
YARN Queues
YARN ResourceManager
YARN TimelineServer
Hive Dashboards
Hive Home
Hive HiveMetaStore
Hive HiveServer2
Hive LLAP Dashboards
Hive LLAP Heatmap
Hive LLAP Overview
Hive LLAP Daemon
HBase Dashboards
HBase Home
HBase RegionServers
HBase Misc
HBase Tables
HBase Users
Kafka Dashboards
Kafka Home
Kafka Hosts
Kafka Topics
Storm Dashboards
Storm Home
Storm Topology
Storm Components
System Dashboards
System Home
System Servers
NiFi Dashboard
NiFi Home
Tuning performance for AMS
Customize the AMS collector mode
Customize AMS TTL settings
Customize AMS memory settings
Customize AMS environment specific settings for a cluster
Move the AMS metrics collector
Enable specific HBase metrics
Setting up AMS security
Change the Grafana admin password
Set up https for Grafana
Set up https for AMS
Understanding Ambari log search
Install Log Search
Access log search UI
View logs for background operations
View logs for each host
View service logs
View audit logs
Understanding Ambari Infra
Operation Modes
Connect to Solr
Record schema
Extract records
Write data to HDFS
Write data to S3
Write data locally
Example delete indexed data
Example archive indexed data
Example save indexed data
Example analyze archived, indexed data with Hive
Example Hadoop logs
Example audit logs
Example HDFS audit logs
Example Ambari audit logs
Example Ranger audit logs
Tuning performance for Ambari Infra
Tuning your operating system for use with Solr
Tuning JVM settings for Solr
Tuning GC settings for Solr
Tuning environment specific parameters
Adding new shards for Solr
Reindexing data to reduce Solr out of memory exception errors
Administering Ambari Views
Understanding Ambari Views
Ambari Views terminology
Increase memory available to Ambari Views server
Review the number of expected concurrent Ambari Views users
Configure a trust store for the Ambari Views server
Increase timeout value for Ambari Views server
Run a remote, standalone Ambari Views server
Comparing standalone and operational Ambari server set up
Running standalone Ambari Views servers behind a reverse proxy
Prepare to set up a remote, standalone Ambari Views server
Configuring Ambari View Instances
Create an Ambari View instance
Migrate Ambari View instance data
Create an Ambari View URL
Set Ambari View Permissions
Configure Ambari Views for Kerberos
Configuring Ambari Views
Configuring Specific Views
Configuring Capacity Scheduler View
Create a Capacity Scheduler View instance
Set YARN Queue Manager View user permissions
Configure your cluster for Files View
Create and configure a Files View instance
Set up Kerberos for Files View
Configure local option for Files View
Configure custom option for Files View
Configuring Pig View
Configure your cluster for Pig View
Set up HDFS proxy user for Pig View
Set up WebHCat proxy user for Pig View
Set up WebHCat proxy user for the Ambari Server daemon account
Set up HDFS user directory
Create and configure a Pig View instance
Get correct configuration values for Pig View in a manually-deployed cluster
Set up user permissions for Pig View
Set up Kerberos for Pig View
Configuring SmartSense View
Configure your cluster for SmartSense View
Create a SmartSense View instance
Configure Workflow Manager View
Configure your cluster for Workflow Manager View
Set up HDFS proxy user
Set up HDFS user directory for Workflow Manager View
Set up Kerberos for Workflow Manager View
Set up proxy user for Oozie
Create and configure a Workflow Manager View instance
Using Ambari Views
Using an Ambari View
Using YARN Queue Manager View
Set up YARN workflow queues
Configure YARN workflow queues
Enable preemption for YARN workflow queues
Set YARN queue priorities
Configure capacity scheduler settings for a cluster
Apply capacity scheduler queue hierarchy changes
Using Files View
Understanding Files View
Move files or folders within your file system
Copy files or folders within your file system
Upload files from a local system
Modify permissions of files and folders
View HDFS erasure coding and encryption status
Using SmartSense View
Using Workflow Manager View
Workflow Management
Managing local group membership
You can manage membership of local groups by adding or removing users.
Understanding group types
Ambari supports two types of groups: local and LDAP.
Modify group membership
Use
Admin/Groups
to add local users to an existing group.
Create a local group
Use
Admin/Groups
to create or manage an existing local group.
Delete a local group
Use
Admin/Groups
to create or manage an existing local group.
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