AWS Big Data Blog

Category: Analytics

Preprocess logs for anomaly detection in Amazon OpenSearch

September 8, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. See details. Amazon OpenSearch Service supports real-time anomaly detection, which uses machine learning (ML) to proactively detect anomalies in real-time streaming data. When used to analyze application logs, it can detect anomalies such as unusually high error rates or sudden changes in […]

DOCOMO empowers business units with self-service knowledge access thanks to agile AWS QuickSight business intelligence

NTT DOCOMO is the largest telecom company in Japan. It provides innovative, convenient, and secure mobile services that enable customers to realize smarter lives. More than 73 million customers in Japan connect through its advanced wireless networks, including a nationwide LTE network and one of the world’s most progressive LTE Advanced networks. In addition to […]

Amazon Redshift identity federation with multi-factor authentication

July 2023: This post was reviewed for accuracy. Password-based access control alone is not considered secure enough, and many organizations are adopting multi-factor authentication (MFA) and single sign-on (SSO) as a de facto standard to prevent unauthorized access to systems and data. SSO frees up time and resources for both administrators and end users from […]

Monitor your Amazon ES domains with Amazon Elasticsearch Service Monitor

September 8, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. See details. Amazon OpenSearch Service is a fully managed service that you can use to deploy, secure, and run Elasticsearch cost-effectively at scale. The service provides support for open-source Elasticsearch APIs, managed Kibana, and integration with Logstash and other AWS services. Amazon […]

Hydrate your data lake with SaaS application data using Amazon AppFlow

Organizations today want to make data-driven decisions. The data could lie in multiple source systems, such as line of business applications, log files, connected devices, social media, and many more. As organizations adopt software as a service (SaaS) applications, data becomes increasingly fragmented and trapped in different “data islands.” To make decision-making easier, organizations are […]

Build secure encrypted data lakes with AWS Lake Formation

Maintaining customer data privacy, protection against intellectual property loss, and compliance with data protection laws are essential objectives of today’s organizations. To protect data against security threats, vulnerabilities within the organization, malicious software, or cyber criminality, organizations are increasingly encrypting their data. Although you can enable server-side encryption in Amazon Simple Storage Service (Amazon S3), […]

Improve query performance using AWS Glue partition indexes

While creating data lakes on the cloud, the data catalog is crucial to centralize metadata and make the data visible, searchable, and queryable for users. With the recent exponential growth of data volume, it becomes much more important to optimize data layout and maintain the metadata on cloud storage to keep the value of data […]

Build a data quality score card using AWS Glue DataBrew, Amazon Athena, and Amazon QuickSight

Data quality plays an important role while building an extract, transform, and load (ETL) pipeline for sending data to downstream analytical applications and machine learning (ML) models. The analogy “garbage in, garbage out” is apt at describing why it’s important to filter out bad data before further processing. Continuously monitoring data quality and comparing it […]

How Optus improves broadband and mobile customer experience using the Network Data Analytics platform on AWS

August 30, 2023: Amazon Kinesis Data Analytics has been renamed to Amazon Managed Service for Apache Flink. Read the announcement in the AWS News Blog and learn more. This is a guest blog post co-written by Rajagopal Mahendran, Development Manager at the Optus IT Innovation Team. Optus is part of The Singtel group, which operates […]

Create threshold-based alerts in Amazon QuickSight

Every business has a set of key metrics that stakeholders focus on to make the most accurate, data-driven decisions, such as sales per week, inventory turnover rate, daily website visitors, and so on. With threshold-based alerts in Amazon QuickSight, we’re making it simpler than ever for consumers of QuickSight dashboards to stay informed about their […]