AWS Big Data

OCTOBER 3, 2023

Iceberg tables store metadata in manifest files. As the number of data files increase, the amount of metadata stored in these manifest files also increases, leading to longer query planning time. The query runtime also increases because it’s proportional to the number of data or metadata file read operations.

Optimization 126

Optimization Snapshot Data Lake Metadata 126

Cloudera

FEBRUARY 8, 2024

The snapshotId of the source tables involved in the materialized view are also maintained in the metadata. Subsequently, these snapshot IDs are used to determine the delta changes that should be applied to the materialized view rows. Furthermore, it is partitioned on the d_year column.

Snapshot 91

Snapshot Metadata Cost-Benefit Data Warehouse 91

AWS Big Data

MARCH 10, 2023

Iceberg employs internal metadata management that keeps track of data and empowers a set of rich features at scale. The Data Catalog provides a central location to govern and keep track of the schema and metadata. For example, from 2023/02/20 14:40:41 to 2023-02-20 14:40:41.000 UTC.

Data Lake 122

Data Lake Sales Data Warehouse Snapshot 122

AWS Big Data

AUGUST 6, 2024

At a high level, the core of Langley’s architecture is based on a set of Amazon Simple Queue Service (Amazon SQS) queues and AWS Lambda functions, and a dedicated RDS database to store ETL job data and metadata. In 2023, AWS announced the upcoming deprecation of Data Pipeline , one of the core services used by Langley.

Cost-Benefit 111

Cost-Benefit Metadata Snapshot Metrics 111

AWS Big Data

NOVEMBER 6, 2023

You can see the time each task spends idling while waiting for the Redshift cluster to be created, snapshotted, and paused. Airflow will cache variables and connections locally so that they can be accessed faster during DAG parsing, without having to fetch them from the secrets backend, environments variables, or metadata database.

Metrics 122

Metrics Metadata Snapshot Management 122

Cloudera

NOVEMBER 15, 2024

In fact, according to the Identity Theft Resource Center (ITRC) Annual Data Breach Report , there were 2,365 cyber attacks in 2023 with more than 300 million victims, and a 72% increase in data breaches since 2021. Today, cyber defenders face an unprecedented set of challenges as they work to secure and protect their organizations.

Analytics 59

Analytics Metadata Snapshot Data-driven 59

CIO Business Intelligence

MARCH 5, 2025

Regulations and laws are often volatile as political influences can upend them on a moments notice: The USA Executive Order (EO) on Safe, Secure and Trustworthy Artificial Intelligence (14110) issued on October 30, 2023, was rescinded on January 20, 2025. associated with every decision made by the AI system.

Risk 121

Risk Risk Management Measurement Modeling 121

AWS Big Data

AUGUST 16, 2023

We fetch the metadata of the users_xxxxxx table from Athena. The following are a few important considerations regarding how the Lambda function handles Iceberg table metadata changes: In this approach, target metadata takes precedence during DML operations. It’s imperative that the source and target metadata match.

Data Lake 97

Data Lake Metadata Testing Snapshot 97

AWS Big Data

DECEMBER 19, 2024

By using features like Icebergs compaction, OTFs streamline maintenance, making it straightforward to manage object and metadata versioning at scale. Enabling automatic compaction on Iceberg tables reduces metadata overhead on your Iceberg tables and improves query performance. The Data Catalog manages the metadata for the datasets.

Data Lake 98

Data Lake IoT Metadata Testing 98

Cloudera

NOVEMBER 15, 2024

In fact, according to the Identity Theft Resource Center (ITRC) Annual Data Breach Report , there were 2,365 cyber attacks in 2023 with more than 300 million victims, and a 72% increase in data breaches since 2021. Today, cyber defenders face an unprecedented set of challenges as they work to secure and protect their organizations.

Analytics 84

Analytics Metadata Snapshot Data-driven 84

Ontotext

JANUARY 16, 2025

The first version of Talk to Your Graph (or TTYG for short) was released in 2023 and it was my baby. Use of assistant and thread metadata. So what is that metadata? The OpenAI Assistants API provides a set of custom metadata fields for both assistants and threads. Both must be strings. version Internal use only.

Metadata 52

Metadata Modeling Snapshot Interactive 52

DataKitchen

AUGUST 8, 2023

On 20 July 2023, Gartner released the article “ Innovation Insight: Data Observability Enables Proactive Data Quality ” by Melody Chien. Data Observability leverages five critical technologies to create a data awareness AI engine: data profiling, active metadata analysis, machine learning, data monitoring, and data lineage.

Data Quality 130

Data Quality Testing Snapshot Reporting 130