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  • Overview
    • Unravel 4.6.2 Documentation
      • Installation
        • On-prem platforms
          • Requirements
            • Install Unravel
              • Enable additional instrumentation
                • CDH
                • HDP
            • Multi-cluster install
              • Configuring Unravel
                • Additional configurations
                • Upgrading Sensors
                  • Upgrading sensors on CDH
                  • Upgrading sensors on HDP
                • Upgrade Unravel
                • Advanced installation options
                  • Enabling multiple daemons for high-volume data
                  • Unravel deployment for high availability
                  • MySQL
                    • Installing MySQL
                    • Configuring MySQL
                    • Moving MySQL data from the default directory to a different directory/host
                    • Setting up Azure MySQL for Unravel (Optional)
                    • Setting up Google Cloud SQL (optional)
                  • Modifying the behavior of unravel_es
                    • Deploying Unravel on security-enhanced Linux
                      • Uninstalling the Unravel Server
                      • Unravel SaaS free trial
                    • Uninstall Unravel
                      • Troubleshooting
                        • Troubleshooting Cloudera Distribution of Apache Hadoop (CDH) issues
                    • Additional configurations
                      • Configuring Unravel
                        • Custom ports
                        • Cloud
                          • Creating an AWS RDS CloudWatch Alarm for Free Storage Space
                        • HBase
                          • Elasticsearch storage requirements on the Unravel Node
                          • Configuring HBase
                          • Connecting to the Hive Metastore
                            • Populating the Unravel Data page
                              • Configuring access for an Oracle database
                              • Kafka
                                • Connecting to a Kafka cluster
                                • Kafka security
                                • Kerberos
                                  • Changing the Kerberos keytab files
                                  • Creating Active Directory Kerberos principals and keytabs for Unravel
                                • Miscellaneous
                                  • Email alerts
                                    • Creating Active Directory Kerberos principals and keytabs for Unravel
                                    • Enable authentication for the Unravel Elastic daemon
                                      • Encrypting passwords in Unravel properties and settings
                                      • Adding certificates into Unravel Truststore
                                        • Running Unravel daemons with a custom user
                                          • Setting retention time in Unravel server
                                          • Using a private certificate authority with Unravel
                                          • Multi-cluster
                                            • Multi-cluster configurations
                                            • OnDemand reports
                                              • OnDemand configurations
                                                • Configuring forecasting and migration planning reports
                                                • Configuring FSImage
                                                  • Triggering an import of FSimage
                                                  • Secure UI access
                                                    • Adding SSL and TLS to Unravel web UI
                                                      • Enabling LDAP authentication for Unravel UI
                                                        • Enabling SAML authentication for Unravel Web UI
                                                          • Enabling Transport Layer Security (TLS) for Unravel UI
                                                          • Spark
                                                            • Enable/disable live monitoring of Spark Streaming applications
                                                              • Configure Spark properties for Spark Worker daemon @ Unravel
                                                              • Notebooks for Spark
                                                            • User interface
                                                              • Custom banner
                                                              • Defining a custom web UI port
                                                              • Disabling browser telemetry
                                                                • Restricting direct access to Unravel UI
                                                                • Specifying a cluster ID or name
                                                              • Administrators and Users
                                                                • Adding more admins to Unravel
                                                                • Adding read-only admins to Unravel
                                                                • Changing Unravel admin's password
                                                              • Workflows
                                                                • Monitoring Airflow workflows
                                                                  • Monitoring Oozie workflows
                                                                • User guide
                                                                  • Clusters
                                                                    • Jobs
                                                                      • Applications
                                                                        • Pipelines
                                                                          • Application Details page
                                                                            • Spark details page
                                                                            • Hive details page
                                                                            • Impala details page
                                                                            • MapReduce details page
                                                                            • Tez details page
                                                                            • HBase alerts and metrics
                                                                        • Data
                                                                          • Migrations
                                                                            • Reports
                                                                              • Alerts
                                                                                • Templates
                                                                                  • Creating AutoActions
                                                                                  • Expert rule
                                                                                    • Same logical operator
                                                                                      • Limitations
                                                                                        • Snooze feature
                                                                                          • AutoActions examples
                                                                                            • Running AutoAction demos
                                                                                              • Supported cluster metrics
                                                                                              • Advanced topics
                                                                                                • Advanced instrumentation options
                                                                                                  • Enabling the JVM sensor on HDP cluster-wide for MapReduce2 (MR)
                                                                                                  • Integrating with Informatica Big Data Management
                                                                                                  • Monitoring individual Hive queries
                                                                                                  • Monitoring individual Spark apps
                                                                                                  • Uploading Spark programs to Unravel
                                                                                                • Miscellaneous
                                                                                                  • Backup and archive metric database
                                                                                                  • Cluster wide report
                                                                                                  • Stopping, restarting, and configuring the AutoAction daemon
                                                                                                • MySQL
                                                                                                  • Backing up the MySQL database
                                                                                                  • Restoring the MySQL database
                                                                                                • Unravel properties
                                                                                                  • Basic
                                                                                                  • Executor logs
                                                                                                  • Airflow
                                                                                                  • AutoAction
                                                                                                  • Btrace
                                                                                                  • Celery
                                                                                                  • Cluster
                                                                                                  • Cluster manager
                                                                                                  • Custom banner
                                                                                                  • ELK (Elasticsearch, Logstash, Kibana)
                                                                                                  • Email
                                                                                                  • File reports
                                                                                                  • Forecasting report
                                                                                                  • FSimage
                                                                                                  • HBase
                                                                                                  • Hive Hook SSL
                                                                                                  • Hive Metastore access
                                                                                                  • Hive Metastore JDBC
                                                                                                  • HiveServer2
                                                                                                  • Impala
                                                                                                  • Kafka
                                                                                                  • LDAP
                                                                                                  • Cloud migration reports
                                                                                                  • Multi-cluster Properties
                                                                                                  • Oozie
                                                                                                  • Queue analysis
                                                                                                  • Role Based Access Control (RBAC)
                                                                                                  • S3 monitoring
                                                                                                  • SAML
                                                                                                  • Sensor
                                                                                                  • Sessions
                                                                                                  • Small files report
                                                                                                  • Small files and file reports
                                                                                                  • Spark
                                                                                                  • Spark S3
                                                                                                  • SSL/TLS
                                                                                                  • Tagging
                                                                                                  • Tez
                                                                                                  • Yarn Timeline
                                                                                                  • Top X
                                                                                                  • Workflow
                                                                                                • Roles and Role-Based Access Control (RBAC)
                                                                                                  • RBAC roles
                                                                                                  • Configuring RBAC general properties
                                                                                                  • Configuring LDAP or SAML RBAC properties
                                                                                                  • Example RBAC configurations
                                                                                                  • Manage page
                                                                                                  • RBAC UI
                                                                                                • Tagging
                                                                                                  • What is tagging?
                                                                                                  • Tagging applications
                                                                                                  • Tagging workflows
                                                                                                  • Tagging a Hive on Tez query
                                                                                              • Use Cases
                                                                                                • Detecting resource contention in the cluster
                                                                                                  • Detecting apps using resources inefficiently
                                                                                                  • Identifying rogue apps
                                                                                                  • Best practices for end-to-end monitoring of Kafka
                                                                                                    • Kafka detecting lagging or stalled partitions
                                                                                                      • Optimizing the performance of Spark apps
                                                                                                        • Using Unravel to tune Spark data skew and partitioning
                                                                                                          • How to intelligently monitor Kafka/Spark Streaming data pipeline
                                                                                                            • Using RDD caching to improve a Spark app's performance
                                                                                                          • Common UI/UX features
                                                                                                        • Reference Guide
                                                                                                          • Reference Guide
                                                                                                            • Some keywords and error message
                                                                                                              • Resource metrics
                                                                                                            • Troubleshooting
                                                                                                              • Sending Diagnostics to Unravel Support
                                                                                                              • Archives
                                                                                                            • Release Notes
                                                                                                              • v4.7.x Release notes
                                                                                                                • v4.7.3.0 Release notes
                                                                                                                  • v4.7.2.3 Release notes
                                                                                                                    • v4.7.2.2 Release notes
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                                                                                                                                                • v4.6.1.5 Release notes
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                                                                                                                                                      • v4.6.1.2 Release notes
                                                                                                                                                        • v4.6.2.0 RC1 Release Notes
                                                                                                                                                          • v4.6.1.1 Release notes
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                                                                                                                                                                • v4.6.x - Updates to Unravel properties
                                                                                                                                                                • v4.5.x Release notes
                                                                                                                                                                  • v4.5.5.5 Release notes
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                                                                                                                                                                                      • v4.5.3.3 Release notes
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                                                                                                                                                                                          • v4.5.3.1 Release notes
                                                                                                                                                                                          • v4.5.2 Release notes
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                                                                                                                                                                                                                • v4.5.0.3 Release notes
                                                                                                                                                                                                                  • v4.5.0.2 Release notes
                                                                                                                                                                                                                  • v4.5.x Upgrades
                                                                                                                                                                                                                    • v4.5.3.x - Upgrade instructions
                                                                                                                                                                                                                    • v4.5.2.x - Upgrade instructions
                                                                                                                                                                                                                    • v4.5.1.x - Upgrade instructions
                                                                                                                                                                                                                    • v4.5.x - Updates to Unravel properties
                                                                                                                                                                                                                    • v4.4.x Release notes
                                                                                                                                                                                                                      • v4.4.2.0 Release notes
                                                                                                                                                                                                                        • v4.4.2.1 Release notes
                                                                                                                                                                                                                        • v4.4.1 Release notes
                                                                                                                                                                                                                          • v4.4.1 - New configuration properties
                                                                                                                                                                                                                          • v4.4.1.1 Release notes
                                                                                                                                                                                                                          • v4.4.0 Release notes
                                                                                                                                                                                                                            • v4.4.x New Unravel properties
                                                                                                                                                                                                                              • v4.4.x - Upgrade instructions
                                                                                                                                                                                                                              • v4.3.x Release notes
                                                                                                                                                                                                                                • v4.3.1.0 Release notes
                                                                                                                                                                                                                                  • v4.3.1.10
                                                                                                                                                                                                                                  • v4.3.1.9 Release notes
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                                                                                                                                                                                                                                                • Unravel 4.7
                                                                                                                                                                                                                                                  • v4.7.3.0
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                                                                                                                                                                                                                                                                                                                                                                                  Last modified: 2021-10-06
                                                                                                                                                                                                                                                                                                                                                                                  Publication date: 2022-02-28