Category Archives: Uncategorized

datadotzweekly

DataDotz Bigdata Weekly

AWS
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Amazon Redshift connector with support for Amazon Redshift Spectrum to analyze data in external Amazon S3 tables. This feature, the direct result of joint engineering and testing work performed by the teams at Tableau and AWS, was released as part of Tableau 10.3.3 and will be available broadly in Tableau 10.4.1. Continue reading

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datadotzweekly

DataDotz Bigdata Weekly

Apache Flink
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Fraudulent transactions cost the banking industry large amounts of money every year. One of our bank’s most important goals is to protect both the bank and our customers from fraudulent transactions, where a bad actor misuses the banking system in some way for personal gains. Most banks have rule-based alerting in place to detect potential fraud. Continue reading

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datadotzweekly

DataDotz Bigdata Weekly

Databricks
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This post describes how a unified analytics platform, such as Databricks, can power multiple use cases and developer personas. Using the Amazon public product ratings dataset, it shows how both an analyst and a data scientist can build reports and machine learning prediction algorithms (respectively) using the notebook features. Continue reading

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datadotzweekly

DataDotz Bigdata Weekly

MapR
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MapR has a great technical and architectural comparison of MapR-DB with Apache HBase and Apache Cassandra. The article spends some timing describing the trade-offs of Log Structured Merge (LSM) trees that power HBase and Cassandra, including read and (async) write amplification. Continue reading

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