Analytics Vidhya

APRIL 20, 2025

Now, when we talk about the evolution of embeddings, we mean numerical snapshots that capture not just which words appear but what they really mean, how they relate to each other […] The post 14 Powerful Techniques Defining the Evolution of Embedding appeared first on Analytics Vidhya. Well, things have come a long way since then.

Snapshot

AWS Big Data

JANUARY 9, 2025

Iceberg provides time travel and snapshotting capabilities out of the box to manage lookahead bias that could be embedded in the data (such as delayed data delivery). Icebergs time travel capability is driven by a concept called snapshots , which are recorded in metadata files.

Metadata

AWS Big Data

DECEMBER 12, 2024

Clean up To clean up your resources, complete the following steps: Delete EventBridge rules # Stop new events from triggering while removing dependencies aws events disable-rule --name # Break connections between rule and targets (like Lambda functions) aws events remove-targets --rule --ids # Remove the rule completely from EventBridge aws events (..)

Snapshot

AWS Big Data

DECEMBER 4, 2024

Branching Branches are independent lineage of snapshot history that point to the head of each lineage. An Iceberg table’s metadata stores a history of snapshots, which are updated with each transaction. Iceberg implements features such as table versioning and concurrency control through the lineage of these snapshots.

Snapshot

AWS Big Data

DECEMBER 18, 2024

Migrating from the legacy connector Flink sources typically save the position in the checkpoint and savepoints , called snapshots in Amazon Managed Service for Apache Flink. This means that when you upgrade the source of an existing application, you cant directly restore the source position from the snapshot.

Snapshot

AWS Big Data

JUNE 18, 2025

The checkpoint files are usually stored on the executor’s disk or in an S3 bucket, including snapshot and delta or changelog data files. Note that snapshots are still created but less frequently, as shown in the following screenshot. Starting with Amazon EMR 7.0 and AWS Glue5.0, Starting with Amazon EMR 7.0 and AWS Glue5.0,

Optimization

AWS Big Data

JUNE 26, 2025

To enable this, Amazon Redshift implements snapshot isolation by default. Snapshot isolation provides data consistency when multiple transactions are running simultaneously. With snapshot isolation, read queries are able to execute in parallel, so you can take advantage of the full performance that the data warehouse has to offer.

Snapshot

CIO Business Intelligence

DECEMBER 3, 2024

However, even data that is specific to an organization is seldom timeless; it is simply a snapshot in time that can become outdated, resulting in information that loses context. Without high-quality organization-specific context, genAI may produce outputs that lack coherence, relevance, or diversity.

Data Governance

Cloudera

OCTOBER 10, 2024

Table Cleanup: As tables grow, they often accumulate unused data files, manifest files, and snapshots that aren’t needed anymore. Users may want to perform table maintenance functions, like expiring snapshots, removing old metadata files, and deleting orphan files, to optimize storage utilization and improve performance.

Optimization

KDnuggets

JUNE 11, 2025

Its static snapshot and lack of detailed metadata limit modern applicability. It includes user-provided movie ratings (1–5 stars) but is limited in scale and diversity—ideal for initial prototyping but not representative of today’s dynamic content platforms. Yelp Open Dataset Contains 8.6M reviews, but coverage is sparse and city-specific.

Advertising

AWS Big Data

NOVEMBER 26, 2024

Querying all snapshots, we can see that we created three snapshots with overwrites after the initial one. We then take the current time and query the dataset representation of 180 minutes ago, resulting in the data from the first snapshot committed.

Metadata

AWS Big Data

DECEMBER 9, 2024

Anytime when you need SCD Type-2 snapshot of your Iceberg table, you can create the corresponding representation. section of the query, the change log view is merged with the Iceberg table snapshots using the snapshot_id key to include the commit time for each record change. Run the following query to implement SCD Type-2.

Snapshot

CIO Business Intelligence

NOVEMBER 19, 2024

Training data will be captured in state with a space-efficient point-in-time NetApp Snapshot™ copy, allowing data scientists to return and analyze the data in its original state if they need to understand a model’s decisions. Additionally, the catalog will even block data that is too sensitive for model training.

Management

AWS Big Data

DECEMBER 20, 2024

The following maintenance tasks are supported by the framework: Expire snapshots Snapshots can be used for rollback operations as well as time traveling queries. Its highly recommended to regularly expire snapshots that are no longer needed. Remove old metadata files Metadata files can accumulate over time just like snapshots.

Metadata

AWS Big Data

AUGUST 8, 2025

To help you manage your Iceberg tables at scale, AWS Glue automated those Iceberg table maintenance operations: compaction with sort and z-order and snapshots expiration and orphan data management. In Optimization options , select Compaction , Snapshot retention , and Orphan file deletion , as shown in the following screenshot.

Optimization

AWS Big Data

NOVEMBER 21, 2024

The AWS Glue Data Catalog supports automatic table optimization of Apache Iceberg tables, including compaction , snapshots, and orphan data management. The data compaction optimizer constantly monitors table partitions and kicks off the compaction process when the threshold is exceeded for the number of files and file sizes.

Optimization

AWS Big Data

DECEMBER 9, 2024

The metadata of an Iceberg table stores a history of snapshots. These snapshots, created for each change to the table, are fundamental to concurrent access control and table versioning. Branches are independent histories of snapshots branched from another branch, and each branch can be referred to and updated separately.

Data Quality

AWS Big Data

NOVEMBER 6, 2024

Third, it allows scenarios such as time travel and rollback, so you can run SQL queries on a point-in-time snapshot of your data, or rollback data to a previously known good version. For example, you can write some records using a batch ETL Spark job and other data from a Flink application at the same time and into the same table.

Metadata

Teradata

MAY 30, 2025

With Dagster, you can easily manage diverse data operations across your ecosystem. Dagster’s asset definition approach can manage dbt at the level of individual models.

Data Integration

Smarten

DECEMBER 5, 2024

Select Augmented Analytics with Anomaly Monitoring and Alerts! Anomaly detection in data analytics is defined as the identification of rare items, events or observations which deviate significantly from the majority of the data and do not conform to a well-defined notion of normal behavior.

Key Performance Indicator

CIO Business Intelligence

APRIL 9, 2025

1 Sophos State of Ransomware 2024 2 Forrester Opportunity Snapshot: Organizations Are Missing Critical Ransomware Recovery Capabilities, July 2024 About the author: Belu de Arbelaiz is the Sr. Together, VMware/Broadcom and Google continue to design, develop, and deliver cutting-edge technology to solve our customers most pressing problems.

IT

AWS Big Data

DECEMBER 4, 2024

incident" For Query , enter the following statement to record initial snapshot results before CDC: SELECT number , short_description , description FROM "zero_etl_demo_db"."incident" For Query , enter the following statement: SELECT count(*) AS incidents_count FROM "zero_etl_demo_db"."incident"

Data Integration

AWS Big Data

JULY 11, 2025

Common use cases include: Modular data transformation pipelines Hierarchical aggregations for progressive analysis Multi-level data validation pipelines Historical data snapshot management Optimized BI reporting with precomputed results Architecture Architectural diagram depicting Amazon Redshift’s nested materialized view structure.

Data Warehouse

AWS Big Data

DECEMBER 19, 2024

Although this provides immediate consistency and simplifies reads (because readers only access the latest snapshot of the data), it can become costly and slow for write-heavy workloads due to the need for frequent rewrites. This means the entire dataset is rewritten when changes are made.

Data Lake

AWS Big Data

JULY 15, 2025

S3 Tables deliver a fully managed experience through continual optimization, automatically maintaining your tables by handling compaction, snapshot retention, and unreferenced file removal. These automated maintenance features significantly improve query performance and reduce query engine costs.

Optimization

CIO Business Intelligence

OCTOBER 31, 2024

Además, los Snapshots SafeMode realizan unas copias de datos que, en caso de ciberataque, no pueden borrarse, modificarse, ni cifrarse , con lo que mitigan el impacto de un ataque de ransomware.

Snapshot

DataFloq

JULY 21, 2025

Real-time enterprise dashboards display these metrics to provide immediate ethical health snapshots and detect potential intervention points. Organizations now integrate ethical metrics into their quarterly performance reviews which include CSAT, NPS and average handling time to establish ethics as a primary KPI for CX transformation.

Enterprise

DataKitchen

MAY 2, 2025

It’s a snapshot of common justifications that data teams use to avoid grappling with the real condition of their data. They’ve built a culture of rationalization , where signs of trouble are misread as proof of success. Take a closer look at the illustration Uncle Chip created above.

Data Quality

CIO Business Intelligence

MARCH 5, 2025

Model Registry and Versioning centralized repository that tracks all models, including versions, training data snapshots, hyperparameters, performance metrics and deployment status.

Risk

AWS Big Data

JULY 17, 2025

Solution overview Here’s how these services work together: Data ingestion – OpenSearch Ingestion first loads your database snapshot from Amazon Simple Storage Service (Amazon S3), where Aurora or Amazon RDS has exported the initial data. and above) and Aurora PostgreSQL or RDS for PostgreSQL (16 and above).

Snapshot

Smarten

JUNE 23, 2025

We are here to help and to support your business goals and success!

Predictive Modeling

AWS Big Data

JULY 31, 2025

Table statistics (also known as planner statistics ) provide a snapshot of the data available in a table to help the query planner make an informed decision on execution strategies. What helps a query planner make this decision is the statistics available on columns and tables.

Data Lake

Cloudera

DECEMBER 3, 2024

Time Travel: Reproduce a query as of a given time or snapshot ID, which can be used for historical audits, validating ML models, and rollback of erroneous operations, as examples. Table Rollback : Enable users to quickly correct problems by rolling back tables to a good state.

Metadata

CIO Business Intelligence

NOVEMBER 25, 2024

With the fine-tuning of the data extracts and data conversion, we have set up a process with our implementation partner to keep daily snapshots of the data to help demonstrate that the updates to the data are in place.”

Digital Transformation

CIO Business Intelligence

APRIL 17, 2025

Its not surprising to see the differences when C-level executives tend to receive PowerPoint-level snapshots of IT problems, including data quality, says Timothy Bates, a professor in the College of Innovation and Technology at the University of Michigan Executives see dashboards clean, aggregated, polished, Bates says.

Data-driven

Cloudera

NOVEMBER 15, 2024

Versioning with Iceberg snapshots makes it easy to reproduce a previous state of the table so cyber defenders always have access to historical context without managing and maintaining multiple copies of the data. Additionally, as threats evolve, so too must the systems and processes used to detect and respond to them.

Analytics

CIO Business Intelligence

NOVEMBER 21, 2024

For example, teams can create an auditable NetApp Snapshot ™ copy of a development workspace for traceability and error detection, or an instant clone of a vector index store to make relevant data instantly available for different queries, without affecting production.

Snapshot