Apache Druid

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Running Apache Hive 3, new features and tips and tricks

Running Apache Hive 3, new features and tips and tricks

Categories: Big Data, Business Intelligence, DataWorks Summit 2019 | Tags: Druid, Hive, Kafka, Cloudera, Data Warehouse, JDBC, LLAP, Active Directory, Release and features, Hadoop

Apache Hive 3 brings a bunch of new and nice features to the data warehouse. Unfortunately, like many major FOSS releases, it comes with a few bugs and not much documentation. It is available since…

By Gauthier LEONARD

Jul 25, 2019

Auto-scaling Druid with Kubernetes

Auto-scaling Druid with Kubernetes

Categories: Big Data, Business Intelligence, Containers Orchestration | Tags: EC2, Druid, Cloud, CNCF, Container Orchestration, Data Analytics, Helm, Kubernetes, Metrics, OLAP, Operation, Prometheus, Python

Apache Druid is an open-source analytics data store which could leverage the auto-scaling abilities of Kubernetes due to its distributed nature and its reliance on memory. I was inspired by the talk…

By Leo SCHOUKROUN

Jul 16, 2019

Druid and Hive integration

Druid and Hive integration

Categories: Big Data, Business Intelligence, Tech Radar | Tags: Druid, Hive, Data Analytics, Learning and tutorial, LLAP, OLAP, SQL

This article covers the integration between Hive Interactive (LDAP) and Druid. One can see it as a complement of the Ultra-fast OLAP Analytics with Apache Hive and Druid article. Tools description…

By Pierre SAUVAGE

Jun 17, 2019

Accelerating query processing with materialized views in Apache Hive

Accelerating query processing with materialized views in Apache Hive

Categories: Business Intelligence, DataWorks Summit 2018 | Tags: Calcite, Druid, Hive, OLAP, Release and features, SQL

The new materialized view feature is coming in Apache Hive 3.0. Jesus Camacho Rodriguez from Hortonworks held a talk ”Accelerating query processing with materialized views in Apache Hive” about it…

By Paul-Adrien CORDONNIER

May 31, 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

Hive, Calcite and Druid

Hive, Calcite and Druid

Categories: Big Data | Tags: Analytics, Druid, Hive, Database, Hadoop

BI/OLAP requires interactive visualization of complex data streams: Real time bidding events User activity streams Voice call logs Network trafic flows Firewall events Application KPIs Traditionnal…

By David WORMS

Jul 14, 2016

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