Mapr - Warden

Table of Contents

About

Warden is a light Java application that runs on all the nodes in a cluster and coordinates cluster services.

Warden’s job on each node is to:

  • start,
  • stop,
  • or restart

the appropriate services, and allocate the correct amount of memory to them.

Warden makes extensive use of the znode abstraction (ZooKeeper) to monitor the state of cluster services.

Documentation / Reference


Data (State)
Data (State)
DataBase
Data Processing
Data Quality
Data Structure
Data Type
Data Warehouse
Data Visualization
Data Partition
Data Persistence
Data Concurrency

Data Science
Data Analysis
Statistics
Data Science
Linear Algebra Mathematics
Trigonometry

Modeling
Process
Logical Data Modeling
Relational Modeling
Dimensional Modeling
Automata

Data Type
Number
Time
Text
Collection
Relation (Table)
Cube
Tree
Key/Value
Graph
Spatial
Color
Log

Measure Levels
Order
Nominal
Discrete
Distance
Ratio

Code
Compiler
Lexical Parser
Grammar
Function
Testing
Debugging
Shipping
Data Type
Versioning
Design Pattern

Infrastructure
Operating System
Monitoring
Cryptography
Security
File System
Network
Process (Thread)
Computer
Infra As Code

Marketing
Advertising
Analytics
Email

Web
Html
Dom
Http
Url
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