Apache HBase

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Clusters and workloads migration from Hadoop 2 to Hadoop 3

Clusters and workloads migration from Hadoop 2 to Hadoop 3

Categories: Big Data, Infrastructure | Tags: HBase, HDFS, Oozie, Slider, Spark, YARN, Docker, Erasure Coding, Operation, Rolling Upgrade, SLA, Hadoop

Hadoop 2 to Hadoop 3 migration is a hot subject. How to upgrade your clusters, which features present in the new release may solve current problems and bring new opportunities, how are your current…

By Lucas BAKALIAN

Jul 25, 2018

Omid: Scalable and highly available transaction processing for Apache Phoenix

Omid: Scalable and highly available transaction processing for Apache Phoenix

Categories: Big Data, DataWorks Summit 2018 | Tags: ACID, HBase, Omid, Phoenix, Transaction, SQL

Apache Omid provides a transactional layer on top of key/value NoSQL databases. In practice, it is usually used on top of Apache HBase. Credits to Ohad Shacham for his talk and his work for Apache…

By Xavier HERMAND

May 24, 2018

Essential questions about Time Series

Essential questions about Time Series

Categories: Big Data | Tags: Druid, HBase, Hive, ORC, Elasticsearch, Graphana, IOT

Today, the bulk of Big Data is temporal. We see it in the media and among our customers: smart meters, banking transactions, smart factories, connected vehicles … IoT and Big Data go hand in hand. We…

By David WORMS

Mar 19, 2018

Hadoop and R with RHadoop

Hadoop and R with RHadoop

Categories: Business Intelligence, Data Science | Tags: HBase, HDFS, MapReduce, Thrift, Data Analytics, Learning and tutorial, R, Hadoop

RHadoop is a bridge between R, a language and environment to statistically explore data sets, and Hadoop, a framework that allows for the distributed processing of large data sets across clusters of…

By David WORMS

Jul 19, 2012

HDFS and Hive storage - comparing file formats and compression methods

HDFS and Hive storage - comparing file formats and compression methods

Categories: Big Data | Tags: Analytics, HBase, HDFS, Hive, ORC, Parquet, File Format

A few days ago, we have conducted a test in order to compare various Hive file formats and compression methods. Among those file formats, some are native to HDFS and apply to all Hadoop users. The…

By David WORMS

Mar 13, 2012

Hadoop and HBase installation on OSX in pseudo-distributed mode

Hadoop and HBase installation on OSX in pseudo-distributed mode

Categories: Big Data, Learning | Tags: HBase, Big Data, Hue, Deployment, Infrastructure, Hadoop

The operating system chosen is OSX but the procedure is not so different for any Unix environment because most of the software is downloaded from the Internet, uncompressed and set manually. Only a…

By David WORMS

Dec 1, 2010

Node HBase, a NodeJs client for Apache HBase

Node HBase, a NodeJs client for Apache HBase

Categories: Big Data, Node.js | Tags: HBase, Big Data, Node.js, REST

HBase is a “column familly” database from the Hadoop ecosystem built on the model of Google BigTable. HBase can accommodate very large volumes of data (tera or peta) while maintaining high…

By David WORMS

Nov 1, 2010

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