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Disaster recovery strategies for Amazon MWAA – Part 2

AWS Big Data

The solution for this post is hosted on GitHub. Backup and restore architecture The backup and restore strategy involves periodically backing up Amazon MWAA metadata to Amazon Simple Storage Service (Amazon S3) buckets in the primary Region. This is the bucket where you host all of your DAGs for your environment. [1.b]

Strategy 111
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Accelerate your migration to Amazon OpenSearch Service with Reindexing-from-Snapshot

AWS Big Data

Each Lucene index (and, therefore, each OpenSearch shard) represents a completely independent search and storage capability hosted on a single machine. How RFS works OpenSearch and Elasticsearch snapshots are a directory tree that contains both data and metadata. The following is an example for the structure of an Elasticsearch 7.10

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Configure a custom domain name for your Amazon MSK cluster

AWS Big Data

For the client to resolve DNS queries for the custom domain, an Amazon Route 53 private hosted zone is used to host the DNS records, and is associated with the client’s VPC to enable DNS resolution from the Route 53 VPC resolver. The Kafka client uses the custom domain bootstrap address to send a get metadata request to the NLB.

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Governing data in relational databases using Amazon DataZone

AWS Big Data

This post explains how you can extend the governance capabilities of Amazon DataZone to data assets hosted in relational databases based on MySQL, PostgreSQL, Oracle or SQL Server engines. Second, the data producer needs to consolidate the data asset’s metadata in the business catalog and enrich it with business metadata.

Metadata 104
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CIOs are (still) closer than ever to their dream data lakehouse

CIO Business Intelligence

“The data catalog is critical because it’s where business manages its metadata,” said Venkat Rajaji, Senior Vice President of Product Management at Cloudera. But the metadata turf war is just getting started.” That put them in a better position to keep data under management – and possibly to host processing as well.

Metadata 117
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Amazon OpenSearch Service Under the Hood : OpenSearch Optimized Instances(OR1)

AWS Big Data

The following diagram illustrates an indexing flow involving a metadata update in OR1 During indexing operations, individual documents are indexed into Lucene and also appended to a write-ahead log also known as a translog. In the event of an infrastructure failure, an OpenSearch domain can end up losing one or more nodes.

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Data confidence begins at the edge

CIO Business Intelligence

Specifically, what the DCF does is capture metadata related to the application and compute stack. Because much of today’s data is created and handled in a distributed topology, the DCF tags specific pieces of data that have traversed a range of hosts. To learn more about the solution, read the white paper or watch the video.