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Take manual snapshots and restore in a different domain spanning across various Regions and accounts in Amazon OpenSearch Service

AWS Big Data

Snapshots are crucial for data backup and disaster recovery in Amazon OpenSearch Service. These snapshots allow you to generate backups of your domain indexes and cluster state at specific moments and save them in a reliable storage location such as Amazon Simple Storage Service (Amazon S3). Snapshots are not instantaneous.

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Accelerate your migration to Amazon OpenSearch Service with Reindexing-from-Snapshot

AWS Big Data

In this post, we will introduce a new mechanism called Reindexing-from-Snapshot (RFS), and explain how it can address your concerns and simplify migrating to OpenSearch. Documents are parsed from the snapshot and then reindexed to the target cluster, so that performance impact to the source clusters is minimized during migration.

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Manage concurrent write conflicts in Apache Iceberg on the AWS Glue Data Catalog

AWS Big Data

Although these capabilities are powerful, implementing them effectively in production environments presents unique challenges that require careful consideration. Metadata layer Contains metadata files that track table history, schema evolution, and snapshot information. This is optional for operations like INSERT.

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Build a high-performance quant research platform with Apache Iceberg

AWS Big Data

In our previous post Backtesting index rebalancing arbitrage with Amazon EMR and Apache Iceberg , we showed how to use Apache Iceberg in the context of strategy backtesting. 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).

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Bridging the Gap: New Datasets Push Recommender Research Toward Real-World Scale

KDnuggets

Its static snapshot and lack of detailed metadata limit modern applicability. Moving Toward Industrial-Scale Research While each of these datasets has helped shape the field, they all present limitations—either in scale, data freshness, user diversity, or metadata completeness. Yelp Open Dataset Contains 8.6M

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Use open table format libraries on AWS Glue 5.0 for Apache Spark

AWS Big Data

As organizations grapple with exponential data growth and increasingly complex analytical requirements, these formats are transitioning from optional enhancements to essential components of competitive data strategies. Branching Branches are independent lineage of snapshot history that point to the head of each lineage.

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Jumia builds a next-generation data platform with metadata-driven specification frameworks

AWS Big Data

Jumia is a technology company born in 2012, present in 14 African countries, with its main headquarters in Lagos, Nigeria. Jumia is present in NYSE and has a market cap of $554 million. Its highly recommended to regularly expire snapshots that are no longer needed.