Hadoop Acronyms

By | August 22, 2014
  • HDFS – Hadoop Distributed File System
  • CAP Theorem (or) Brewer’s theorem – Consistency, Availability, Partition tolerance Theorem
  • MR – Map Reduce
  • NOSQL – Not Only SQL
  • NN – Name Node
  • HA – High-Availability
  • DN – Data Node
  • JT – Job Tracker
  • HAR – Hadoop Archives
  • HQL (or) HiveQL – Hive Query Language
  • YARN – Yet Another Resource Negotiator
  • FSCK – File System Check
  • FUSE – Filesystem in Userspace
  • JPS – JVM Process Status Tool
  • JVM – Java Virtual Machine
  • JNI – Java Native Interface
  • SPOF – Single Point of Failure
  • STONITH – Shoot The Other Node In The Head
  • SPNEGO – Simple and Protected GSS-API Negotiation Mechanism
  • HFTP – HDFS over HTTP
  • HSFTP – HDFS over HTTPS
  • RMI – Remote Method Invocation
  • IDL – Interface Description Language
  • SMB – Sort-Merge-Bucket
  • WAL – Write Ahead Log

Spark related

  • RDD – Resilient Distributed Dataset
  • REPL – Read Eval Print Loop

Others related buzz-words:

  • IDE – Integrated Development Environment
  • REST – Representational State Transfer
  • API – Application Programming Interface
  • URI – Uniform Resource Identifier
  • LZO – Lempel–Ziv–Oberhumer – Lossless data compression algorithm
  • RPC – Remote Procedure Call
  • HPC – High Performance Computing
  • MPP – Massively Parallel Processing
  • MPI – Message Passing Interface
  • EMR – Amazon Elastic MapReduce
  • CRC – Cyclic Redundancy Check
  • ECC Memory – Error-Correcting Code memory (Error Checking & Correction)

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