AWS Big Data

OCTOBER 1, 2024

Performance was tested on a Redshift serverless data warehouse with 128 RPU. In our testing, the dataset was stored in Amazon S3 in Parquet format and AWS Glue Data Catalog was used to manage external databases and tables. This can have a significant impact on overall query performance.

Data Lake 105

Data Lake Statistics Broadcasting Optimization 105

AWS Big Data

MARCH 22, 2024

Benchmark setup In our testing, we used the 3 TB dataset stored in Amazon S3 in compressed Parquet format and metadata for databases and tables is stored in the AWS Glue Data Catalog. When statistics aren’t available, Amazon EMR and Athena use S3 file metadata to optimize query plans. With Amazon EMR 6.10.0

Metadata 104

Metadata Statistics Broadcasting Optimization 104

CIO Business Intelligence

JUNE 9, 2022

Along the way, metadata is collected, organized, and maintained to help debug and ensure data integrity. The platform is integrated across digital venues such as search and social media and older markets such as print, cable TV, radio, and broadcast. Agencies and ad buyers for large clients turn to Simpli.fi Survey CTO.

Management 144

Management Advertising Data Lake Sales 144

Cloudera

JANUARY 15, 2021

A Bloom filter is a space-efficient probabilistic data structure used to test set membership with a possibility of false-positive matches. Consider the case of a broadcast hash join between a small table and a big table where predicate pushdown is not available. Broadcast the generated hash table to all worker nodes.

Optimization 72

Optimization Broadcasting Testing Metadata 72

CIO Business Intelligence

SEPTEMBER 22, 2023

Along the way, metadata is collected, organized, and maintained to help debug and ensure data integrity. The platform is integrated across digital venues such as search and social media and older markets such as print, cable TV, radio, and broadcast. Of course, marketing also works.

Management 105

Management Advertising Data Lake Sales 105