AWS Big Data

OCTOBER 1, 2024

Over the last year, Amazon Redshift added several performance optimizations for data lake queries across multiple areas of query engine such as rewrite, planning, scan execution and consuming AWS Glue Data Catalog column statistics. Some of the queries in our benchmark experienced up to 12x speed up.

Data Lake 115

Data Lake Statistics Broadcasting Optimization 115

AWS Big Data

MARCH 22, 2024

When you use Trino on Amazon EMR or Athena, you get the latest open source community innovations along with proprietary, AWS developed optimizations. and Athena engine version 2, AWS has been developing query plan and engine behavior optimizations that improve query performance on Trino. Starting from Amazon EMR 6.8.0

Metadata 119

Metadata Statistics Broadcasting Optimization 119

Cloudera

JANUARY 15, 2021

Pushing down column predicate filters to Kudu allows for optimized execution by skipping reading column values for filtered out rows and reducing network IO between a client, like the distributed query engine Apache Impala, and Kudu. Broadcast the generated hash table to all worker nodes. Join Queries.

Optimization 72

Optimization Broadcasting Testing Metadata 72

CIO Business Intelligence

JUNE 9, 2022

It integrates data across a wide arrange of sources to help optimize the value of ad dollar spending. Along the way, metadata is collected, organized, and maintained to help debug and ensure data integrity. So Oracle renamed it Oracle Advertising and Customer Experience. Agencies and ad buyers for large clients turn to Simpli.fi

Management 144

Management Advertising Data Lake Sales 144

CIO Business Intelligence

SEPTEMBER 22, 2023

It integrates data across a wide arrange of sources to help optimize the value of ad dollar spending. Along the way, metadata is collected, organized, and maintained to help debug and ensure data integrity. So Oracle renamed it Oracle Advertising and Customer Experience.

Management 105

Management Advertising Data Lake Sales 105

Smart Data Collective

AUGUST 5, 2021

Along with the ability to implement ACID transactions and scalable metadata handling, Delta Lakes can also unify the streaming and batch data processing”. . The schema of the metadata is as follows: Column Type Description format string Format of the table, that is, “delta”. Advantages of using Delta Lakes.

Data Processing 143

Data Processing Metadata Broadcasting Statistics 143