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© Hortonworks Inc. 2014
Monitoring Apache Accumulo
© Hortonworks Inc. 2014
Your Presenter
Ravi Mutyala
Systems Architect
Hortonworks
© Hortonworks Inc. 2014
Agenda
• Metrics
• Alerts
• Provisioning and Managing
• Q & A
Page 3
© Hortonworks Inc. 2014
Metrics
• JMX
• Ganglia
• Jmxtrans
Page 4
© Hortonworks Inc. 2014
Alerts
• Nagios
–Monitoring Ports/Processes
– TabletServers
– GC
– Tracer
– Masters
–Monitoring Me...
© Hortonworks Inc. 2014
Hadoop Operations with Ambari
Provision: Simplified deployment across platforms
Manage: Consistent...
© Hortonworks Inc. 2014
100% Apache Open Source
• Active Community
• 60+ Contributors / 30+ Committers
• 200+ Ambari User ...
© Hortonworks Inc. 2014
Ambari Release Cadence
Page 8
Ambari 1.4.3
Jan 2014
Ambari 1.4.4
Feb 2014
Ambari 1.5.0
Apr 2014
Am...
© Hortonworks Inc. 2014
System Architecture
9
Ambari Server
Host
Agent
Host
Agent
Host
Agent
Ambari
Web
DB
/clusters
Host
...
© Hortonworks Inc. 2014
Ambari Server Architecture
10
DB
Orchestrator Monitoring
REST API
Request Dispatcher
Ambari
Web
Am...
© Hortonworks Inc. 2014
Installing Ambari
• Install Ambari Server
• Setup Options
–JDK (Oracle JDK 6, Oracle JDK 7, Custom...
© Hortonworks Inc. 2014
Ambari Agent Registration
Page 12
Ambari Server Ambari Agent
11) Agent Heartbeat Begins
1) Connect...
© Hortonworks Inc. 2014
Extensibility Features
Ambari Stacks
Ambari Blueprints
Ambari Views
Page 13
© Hortonworks Inc. 2014
Ambari Stacks
Page 14
© Hortonworks Inc. 2014
Ambari Stacks
• Separate “the Stack” from “Ambari”
• Make it easier to bring more than a tradition...
© Hortonworks Inc. 2014
Stack Details
• Stacks define Services + Repos
–What is in the Stack, and where to get the bits
• ...
© Hortonworks Inc. 2014
Stack Mechanics
• Ambari Server reads Stack definitions on start
• Ambari Server sends a command t...
© Hortonworks Inc. 2014
Ambari Blueprints
Page 18
STACK HOSTS BLUEPRINT
© Hortonworks Inc. 2014
Automating Installs
• Blueprint defines a cluster layout and
component configuration for a Stack
•...
© Hortonworks Inc. 2014
Ambari Views
• Goal: Customize the Ambari Web experience
• Views compliment Stack Extensibility
– ...
© Hortonworks Inc. 2014
View Usage
• Developer Creates a View
• Deploys View to Ambari Server
• Ambari Admin creates insta...
© Hortonworks Inc. 2014
Ambari Futures
• Operations
–Ambari Blueprints
–Component log access + search
–Ubuntu and Windows ...
© Hortonworks Inc. 2014
Learn More
Page 23
Resource Location
Apache Ambari Project Page http://ambari.apache.org
Ambari Pr...
© Hortonworks Inc. 2014
Q & A
Page 24
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Accumulo Summit 2014: Monitoring Apache Accumulo

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Speaker: Ravi Mutyala

When we started using Apache Accumulo on large scale, our key concern was on monitoring the health of the cluster. Accumulo exposes metrics through JMX. Ganglia and Nagios are the de-facto metrics and monitoring tools for hadoop clusters. We identified that integration with ganglia, nagios and Apache Ambari will provide ease of use both for monitoring and managing Accumulo clusters. We started with ganglia and nagios integration which helps reuse all the hadoop monitoring infrastructure for Accumulo. Our next target is Apache Ambari integration for Accumulo.


In this talk, we focus on why we need to integrate and how this can be done. We will show a Hands On for ganglia and nagios integration and share the status of ambari integration.

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Accumulo Summit 2014: Monitoring Apache Accumulo

  1. 1. © Hortonworks Inc. 2014 Monitoring Apache Accumulo
  2. 2. © Hortonworks Inc. 2014 Your Presenter Ravi Mutyala Systems Architect Hortonworks
  3. 3. © Hortonworks Inc. 2014 Agenda • Metrics • Alerts • Provisioning and Managing • Q & A Page 3
  4. 4. © Hortonworks Inc. 2014 Metrics • JMX • Ganglia • Jmxtrans Page 4
  5. 5. © Hortonworks Inc. 2014 Alerts • Nagios –Monitoring Ports/Processes – TabletServers – GC – Tracer – Masters –Monitoring Metrics Page 5
  6. 6. © Hortonworks Inc. 2014 Hadoop Operations with Ambari Provision: Simplified deployment across platforms Manage: Consistent controls across the Stack Monitor: Visibility into key cluster metrics - Single pane of glass for Hadoop & System status - Pre-configured metrics & alerts - Single point for cluster operations - Advanced configurations and host controls - Wizard-driven cluster install experience - Cloud, virtual and physical environments Apache Ambari is a 100% open source framework for provisioning, managing and monitoring Hadoop clusters
  7. 7. © Hortonworks Inc. 2014 100% Apache Open Source • Active Community • 60+ Contributors / 30+ Committers • 200+ Ambari User Group Members Page 7 2013 Oct Apache Ambari 1.4.1 Released Adds operations for Hadoop 2 Stack Ambari Ambari 1.2.0 Released Operations for Hadoop 1 Stack 2013 Jan 2013 Dec Apache Ambari Graduates to Top Level Project
  8. 8. © Hortonworks Inc. 2014 Ambari Release Cadence Page 8 Ambari 1.4.3 Jan 2014 Ambari 1.4.4 Feb 2014 Ambari 1.5.0 Apr 2014 Ambari 1.7.0 2H2014 Ambari 1.6.0 May 2014
  9. 9. © Hortonworks Inc. 2014 System Architecture 9 Ambari Server Host Agent Host Agent Host Agent Ambari Web DB /clusters Host Agent
  10. 10. © Hortonworks Inc. 2014 Ambari Server Architecture 10 DB Orchestrator Monitoring REST API Request Dispatcher Ambari Web Ambari Server Ambari Agents Metrics Providers AuthProvider /clusters User Repo java python JS RDBMS LDAP REST API Configurable Auth Provider Cluster Configurations and Topology Web Client AD
  11. 11. © Hortonworks Inc. 2014 Installing Ambari • Install Ambari Server • Setup Options –JDK (Oracle JDK 6, Oracle JDK 7, Custom JDK) –Database (PostgreSQL, MySQL or Oracle) –Server Port and HTTPS –User Authentication (Local, LDAP or AD) –Server-Agent Two-way SSL • Start Ambari Server • Browse to Ambari Web for Cluster Install Wizard • Install Ambari Agents –Option #1: Automate via SSH –Option #2: Manual Page 11
  12. 12. © Hortonworks Inc. 2014 Ambari Agent Registration Page 12 Ambari Server Ambari Agent 11) Agent Heartbeat Begins 1) Connect on Handshake port 8441 4) Sign Agent Cert 2) Download Server Cert 6) Connect on Registration port 8440 7) Perform 2WAY auth using Agent Cert 10) Complete Host Registration Agent Host 8) Get FQDN 9) Register host 8a) Host Script 3) Request to Sign Agent Cert 5) Download Agent Cert + Disconnect
  13. 13. © Hortonworks Inc. 2014 Extensibility Features Ambari Stacks Ambari Blueprints Ambari Views Page 13
  14. 14. © Hortonworks Inc. 2014 Ambari Stacks Page 14
  15. 15. © Hortonworks Inc. 2014 Ambari Stacks • Separate “the Stack” from “Ambari” • Make it easier to bring more than a traditional “Hadoop Stack” under Ambari management • Defining a consistent Service lifecycle management interface that can be extended • Dynamically add Stacks + Services definitions Page 15
  16. 16. © Hortonworks Inc. 2014 Stack Details • Stacks define Services + Repos –What is in the Stack, and where to get the bits • Each Service has a definition –What Components are part of the Service • Each Service has defined lifecycle commands –start, stop, status, install, configure • Lifecycle is controlled via command scripts • Ability to define “custom” commands • Ability to “extend” Stacks Page 16 AMBARI SERVER Stack Command Scripts Service Definitions AMBARI AGENT/S AMBARI AGENT/S AMBARI AGENT/S pythonxml Repos
  17. 17. © Hortonworks Inc. 2014 Stack Mechanics • Ambari Server reads Stack definitions on start • Ambari Server sends a command to Agents • Agents download Stack definition + command scripts • Agent executes command • If the Stack definition changes, Agent will request latest Stack definition + command scripts Page 17
  18. 18. © Hortonworks Inc. 2014 Ambari Blueprints Page 18 STACK HOSTS BLUEPRINT
  19. 19. © Hortonworks Inc. 2014 Automating Installs • Blueprint defines a cluster layout and component configuration for a Stack • Provide Blueprint to Ambari to perform cluster installation (no wizard required) • Export Blueprint from existing cluster BLUEPRINT Ambari Submit Blueprint to Ambari Hadoop Cluster Ambari provisions cluster BLUEPRINT <stack> <host> <service> <component> <config> HOST MANIFEST <host> <meta> SERVICE CONFIGS <props> Page 19
  20. 20. © Hortonworks Inc. 2014 Ambari Views • Goal: Customize the Ambari Web experience • Views compliment Stack Extensibility – Stack Extensibility makes custom Stack Services available to Ambari – Views expose custom UI features for Services • Ambari Admins can entitle “views” to Ambari Web users – Entitlements framework for finer-grained permissions control for Ambari users Page 20
  21. 21. © Hortonworks Inc. 2014 View Usage • Developer Creates a View • Deploys View to Ambari Server • Ambari Admin creates instances of Views • Ambari Admin entitles Views to users Page 21
  22. 22. © Hortonworks Inc. 2014 Ambari Futures • Operations –Ambari Blueprints –Component log access + search –Ubuntu and Windows support • Extensibility –Finer-grain user entitlements –Ambari Views • Insight –Troubleshooting + Performance Tuning –Capacity Planning Page 22
  23. 23. © Hortonworks Inc. 2014 Learn More Page 23 Resource Location Apache Ambari Project Page http://ambari.apache.org Ambari Project Wiki https://cwiki.apache.org/confluence/display/AMBARI Ambari Project JIRA https://issues.apache.org/jira/browse/AMBARI
  24. 24. © Hortonworks Inc. 2014 Q & A Page 24

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