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Hadoop

Hadoop

Definition | SearchCloudComputing

Hadoop is a free, Java-based programming framework that supports the processing of large data sets in a distributed computing environment. It is part...

Hadoop 2

Definition | SearchDataManagement

Apache Hadoop 2 is the second iteration of the Hadoop framework for distributed data processing.  Hadoop 2 adds support for running non-batch ...

Hadoop cluster

Definition | SearchBusinessAnalytics

A Hadoop cluster is a special type of computational cluster designed specifically for storing and analyzing huge amounts of unstructured data in a ...

SQL-on-Hadoop

Definition | SearchDataManagement

SQL-on-Hadoop is a class of analytical application tools that combine established SQL-style querying with newer Hadoop data framework elements.

Hadoop as a service (HaaS)

Definition | SearchStorage

Hadoop as a service provides organizations with big data analytics capabilities that are deployed and managed through a third party. This lets ...

Hadoop data lake

Definition | SearchDataManagement

A Hadoop data lake is a data management platform comprising one or more Hadoop clusters used principally to process and store non-relational data ...

Hadoop Distributed File System (HDFS)

Definition | SearchBusinessAnalytics

HDFS is a distributed file system that provides high-performance access to data across Hadoop clusters. Like other Hadoop-related technologies, HDFS ...

Apache Hadoop YARN (Yet Another Resource Negotiator)

Definition | SearchDataManagement

Apache Hadoop YARN (short, in self-deprecating fashion, for Yet Another Resource Negotiator) is a cluster management technology. It is one of the key...

Apache Hive

Definition | SearchDataManagement

Apache Hive is an open-source data warehouse system for querying and analyzing large datasets stored in Hadoop files. Hadoop is a framework for ...

Apache HBase

Definition | SearchDataManagement

Apache HBase is a column-oriented key/value data store built to run on top of the Hadoop Distributed File System (HDFS).

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SearchCompliance

  • internal audit (IA)

    An internal audit (IA) is an organizational initiative to monitor and analyze its own business operations in order to determine ...

  • pure risk (absolute risk)

    Pure risk, also called absolute risk, is a category of threat that is beyond human control and has only one possible outcome if ...

  • risk assessment

    Risk assessment is the identification of hazards that could negatively impact an organization's ability to conduct business.

SearchSecurity

  • phishing

    Phishing is a form of fraud in which an attacker masquerades as a reputable entity or person in email or other communication ...

  • vulnerability disclosure

    Vulnerability disclosure is the practice of publishing information about a computer security problem, and a type of policy that ...

  • incident response

    Incident response is an organized approach to addressing and managing the aftermath of a security breach or cyberattack, also ...

SearchHealthIT

SearchDisasterRecovery

  • business continuity and disaster recovery (BCDR)

    Business continuity and disaster recovery (BCDR) are closely related practices that describe an organization's preparation for ...

  • business continuity plan (BCP)

    A business continuity plan (BCP) is a document that consists of the critical information an organization needs to continue ...

  • call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an ...

SearchStorage

  • flash memory

    Flash memory, also known as flash storage, is a type of nonvolatile memory that erases data in units called blocks.

  • NAND flash memory

    NAND flash memory is a type of nonvolatile storage technology that does not require power to retain data.

  • NOR flash memory

    NOR flash memory is one of two types of nonvolatile storage technologies.

SearchSolidStateStorage

  • hybrid hard disk drive (HDD)

    A hybrid hard disk drive is an electromechanical spinning hard disk that contains some amount of NAND Flash memory.

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