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Shamser Ahmed 2ee048c58a HPCC-15751 Use getLikelihood of filter condition to decide whether to spill 9 vuotta sitten
build_utils c63b80c278 HPCC-13448 Source Code needs Marca Registrada next to HPCC Systems® 10 vuotta sitten
charm 37d0fb7f7d HPCC-11289 Add README file for HPCC Juju Charm Development 10 vuotta sitten
clienttools c63b80c278 HPCC-13448 Source Code needs Marca Registrada next to HPCC Systems® 10 vuotta sitten
cmake_modules 58b7311f18 Merge branch 'candidate-6.0.4' 9 vuotta sitten
common 5efc5ddbc0 Merge branch 'candidate-6.0.4' 9 vuotta sitten
dali dc409bea5a HPCC-15797 Restrict spray source to designated dropzones 9 vuotta sitten
deploy c63b80c278 HPCC-13448 Source Code needs Marca Registrada next to HPCC Systems® 10 vuotta sitten
deployment 903ed561ed HPCC-15357 ConfigMgr - Topology Cluster should include alias attribute 9 vuotta sitten
docs 208fc8ecb2 HPCC-13583 DOCS:systemd init usage 9 vuotta sitten
ecl 2ee048c58a HPCC-15751 Use getLikelihood of filter condition to decide whether to spill 9 vuotta sitten
ecllibrary 906aa58b3f HPCC-15850 Remove duplicate format tests for Std.Date module 9 vuotta sitten
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README.md

Description / Rationale

HPCC Systems offers an enterprise ready, open source supercomputing platform to solve big data problems. As compared to Hadoop, the platform offers analysis of big data using less code and less nodes for greater efficiencies and offers a single programming language, a single platform and a single architecture for efficient processing. HPCC Systems is a technology division of LexisNexis Risk Solutions.

Getting Started

Architecture

The HPCC Systems architecture incorporates the Thor and Roxie clusters as well as common middleware components, an external communications layer, client interfaces which provide both end-user services and system management tools, and auxiliary components to support monitoring and to facilitate loading and storing of filesystem data from external sources. An HPCC environment can include only Thor clusters, or both Thor and Roxie clusters. Each of these cluster types is described in more detail in the following sections below the architecture diagram.

Thor

Thor (the Data Refinery Cluster) is responsible for consuming vast amounts of data, transforming, linking and indexing that data. It functions as a distributed file system with parallel processing power spread across the nodes. A cluster can scale from a single node to thousands of nodes.

  • Single-threaded
  • Distributed parallel processing
  • Distributed file system
  • Powerful parallel processing programming language (ECL)
  • Optimized for Extraction, Transformation, Loading, Sorting, Indexing and Linking
  • Scales from 1-1000s of nodes

Roxie

Roxie (the Query Cluster) provides separate high-performance online query processing and data warehouse capabilities. Roxie (Rapid Online XML Inquiry Engine) is the data delivery engine used in HPCC to serve data quickly and can support many thousands of requests per node per second.

  • Multi-threaded
  • Distributed parallel processing
  • Distributed file system
  • Powerful parallel processing programming language (ECL)
  • Optimized for concurrent query processing
  • Scales from 1-1000s of nodes

ECL

ECL (Enterprise Control Language) is the powerful programming language that is ideally suited for the manipulation of Big Data.

  • Transparent and implicitly parallel programming language
  • Non-procedural and dataflow oriented
  • Modular, reusable, extensible syntax
  • Combines data representation and algorithm implementation
  • Easily extend using C++ libraries
  • ECL is compiled into optimized C++

ECL IDE

ECL IDE is a modern IDE used to code, debug and monitor ECL programs.

  • Access to shared source code repositories
  • Complete development, debugging and testing environment for developing ECL dataflow programs
  • Access to the ECLWatch tool is built-in, allowing developers to watch job graphs as they are executing
  • Access to current and historical job workunits

ESP

ESP (Enterprise Services Platform) provides an easy to use interface to access ECL queries using XML, HTTP, SOAP and REST.

  • Standards-based interface to access ECL functions