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Apache Ambari Operations
Apache Ambari Operations
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Contents
1. Ambari Operations: Overview
Ambari Architecture
Accessing Ambari Web
2. Understanding the Cluster Dashboard
Viewing the Cluster Dashboard
Scanning Operating Status
Viewing Details from a Metrics Widget
Linking to Service UIs
Viewing Cluster-Wide Metrics
Modifying the Cluster Dashboard
Replace a Removed Widget to the Dashboard
Reset the Dashboard
Customizing Metrics Display
Viewing Cluster Heatmaps
3. Managing Hosts
Understanding Host Status
Searching the Hosts Page
Performing Host-Level Actions
Managing Components on a Host
Decommissioning a Master or Slave
Decommission a Component
Delete a Component
Deleting a Host from a Cluster
Setting Maintenance Mode
Set Maintenance Mode for a Service
Set Maintenance Mode for a Host
When to Set Maintenance Mode
Add Hosts to a Cluster
Establishing Rack Awareness
Set the Rack ID for Ambari
Set the Rack ID Using a Custom Topology Script
4. Managing Services
Starting and Stopping All Services
Displaying Service Operating Summary
Alerts and Health Checks
Modifying the Service Dashboard
Adding or Removing a Widget
Creating a Widget
Deleting a Widget
Export Widget Graph Data
Setting Display Timezone
Adding a Service
Performing Service Actions
Rolling Restarts
Setting Rolling Restart Parameters
Aborting a Rolling Restart
Monitoring Background Operations
Removing A Service
Operations Audit
Using Quick Links
Refreshing YARN Capacity Scheduler
Managing HDFS
Rebalancing HDFS
Tuning Garbage Collection
Customizing the HDFS Home Directory
Managing Atlas in a Storm Environment
5. Managing Service High Availability
NameNode High Availability
Configuring NameNode High Availability
Rolling Back NameNode HA
Stop HBase
Checkpoint the Active NameNode
Stop All Services
Prepare the Ambari Server Host for Rollback
Restore the HBase Configuration
Delete ZooKeeper Failover Controllers
Modify HDFS Configurations
Re-create the Secondary NameNode
Re-enable the Secondary NameNode
Delete All JournalNodes
Delete the Additional NameNode
Verify the HDFS Components
Start HDFS
Managing Journal Nodes
ResourceManager High Availability
Configure ResourceManager High Availability
Disable ResourceManager High Availability
HBase High Availability
Adding an HBase Master Component
Hive High Availability
Adding a Hive Metastore Component
Adding a HiveServer2 Component
Adding a WebHCat Server
Storm High Availability
Adding a Nimbus Component
Oozie High Availability
Adding an Oozie Server Component
Apache Atlas High Availability
Enabling Ranger Admin High Availability
6. Managing Configurations
Changing Configuration Settings
Adjust Smart Config Settings
Edit Specific Properties
Review and Confirm Configuration Changes
Restart Components
Manage Host Config Groups
Configuring Log Settings
Set Service Configuration Versions
Basic Concepts
Terminology
Saving a Change
Viewing History
Comparing Versions
Reverting a Change
Host Config Groups
Download Client Configuration Files
7. Administering the Cluster
Using Stack and Versions Information
Viewing Service Accounts
Enabling Kerberos and Regenerating Keytabs
Regenerate Key tabs
Disable Kerberos
Enable Service Auto-Start
8. Managing Alerts and Notifications
Understanding Alerts
Alert Types
Modifying Alerts
Modifying Alert Check Counts
Disabling and Re-enabling Alerts
Tables of Predefined Alerts
HDFS Service Alerts
HDFS HA Alerts
NameNode HA Alerts
YARN Alerts
MapReduce2 Alerts
HBase Service Alerts
Hive Alerts
Oozie Alerts
ZooKeeper Alerts
Ambari Alerts
Ambari Metrics Alerts
SmartSense Alerts
Managing Notifications
Creating and Editing Notifications
Creating or Editing Alert Groups
Dispatching Notifications
Viewing the Alert Status Log
Customizing Notification Templates
9. Using Ambari Core Services
Understanding Ambari Metrics
AMS Architecture
Using Grafana
Accessing Grafana
Viewing Grafana Dashboards
Viewing Selected Metrics on Grafana Dashboards
Viewing 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
AMS Performance Tuning
Customizing the Metrics Collector Mode
Customizing TTL Settings
Customizing Memory Settings
Customizing Cluster-Environment-Specific Settings
Moving the Metrics Collector
(Optional) Enabling Individual Region, Table, and User Metrics for HBase
AMS High Availability (Technical Preview)
AMS Security
Changing the Grafana Admin Password
Set Up HTTPS for AMS
Set Up HTTPS for Grafana
Ambari Log Search (Technical Preview)
Log Search Architecture
Log Feeder
Log Search Server
Installing Log Search
Using Log Search
Accessing Log Search
Ambari Background Ops Log Search Link
Host Detail Logs Tab
Log Search UI
Using Log Search to Troubleshoot
Viewing Service Logs
Viewing Access Logs
Ambari Infra
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Kafka Dashboards
The following Grafana dashboards are available for Kafka:
Kafka - Home
Kafka - Hosts
Kafka - Topics
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