Tag Archives: Hive

New in Cloudera Enterprise 6: Apache Hive 2.1

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Categories: CDH Hive

We recently released Cloudera Enterprise 6.0 featuring significant improvements across a number of core components. In this blog post, we’re going to focus on Apache Hive 2.1.

Hive’s Approach to Rebase: Stability and Quality Most Important

Prior to the release of Cloudera Enterprise 6.0, Cloudera’s supported platform included Apache Hive 1.1 augmented with numerous features, enhancements and fixes from the later Apache Hive releases—all of which were included only after rigorous quality criteria were met.

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Introducing Cloudera Altus SDX (Beta)

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Categories: Altus Analytic Database CDH Cloud Data Ingestion Hive Impala Metadata and Lineage

The motivation behind Cloudera Altus SDX is to enable multiple clusters to share the same consistent view of enterprise data hosted on Amazon S3 and Microsoft ADLS. At the heart of Altus SDX is a repository of attributes describing locations and structure of data, access rights, business glossary definitions, lineage and more.

We often hear from our customers about use cases where data is in the cloud and clusters are created on demand to ingest new datasets.

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Faster Performance for Selective Queries

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Categories: CDH Impala

One of the principal features used in analytic databases is table partitioning. This feature is so frequently used because of its ability to significantly reduce query latency by allowing the execution engine to skip reading data that is not necessary for the query. For example, consider a table of events partitioned on the event time using calendar day granularity. If the table contained 2 years of events and a user wanted to find the events for a given 7-day window,

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Using Amazon S3 with Cloudera BDR

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Categories: CDH Cloud Cloudera Manager HDFS Hive

More of you are moving to public cloud services for backup and disaster recovery purposes, and Cloudera has been enhancing the capabilities of Cloudera Manager and CDH to help you do that. Specifically, Cloudera Backup and Disaster Recovery (BDR) now supports backup to and restore from Amazon S3 for Cloudera Enterprise customers.

BDR lets you replicate Apache HDFS data from your on-premise cluster to or from Amazon S3 with full fidelity (all file and directory metadata is replicated along with the data).

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