Remove info distributed-file-systems
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HDFS Data Encryption at Rest on Cloudera Data Platform

Cloudera

Each HDFS file is encrypted using an encryption key. To prevent the management of these keys (which can run in the millions) from becoming a performance bottleneck, the encryption key itself is stored in the file metadata. For every file created or copied into HDFS encryption zone, a data encryption key (DEK) is created .

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How to access S3 data from Spark

Insight

If you’ve completed the cluster installation as well as the Spark installation guide written by my colleague, there are only a few modifications you must make to your Spark configuration files for it to have access to AWS S3. profile file. profile file on all of your instances, and then, make sure you execute source ~/.profile

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Break data silos and stream your CDC data with Amazon Redshift streaming and Amazon MSK

AWS Big Data

Traditionally, customers used batch-based approaches for data movement from operational systems to analytical systems. With the explosion of data, the number of data systems in organizations has grown. We hear from our customers that they’d like to analyze the business transactions in real time.

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Build event-driven data pipelines using AWS Controllers for Kubernetes and Amazon EMR on EKS

AWS Big Data

By promoting loose coupling between components of a system, an event-driven architecture leads to greater agility and can enable components in the system to scale independently and fail without impacting other services. For big data processing, which requires distributed computing, you can use Spark on Amazon EKS. We use the s3.yaml

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Apache Ozone Powers Data Science in CDP Private Cloud

Cloudera

Apache Ozone is a scalable distributed object store that can efficiently manage billions of small and large files. Note : We are using the Ozone native Hadoop compatible file system protocol ofs:// to read the data from Hive. On creation of the bucket, we also upload a COVID dataset [1] that is a CSV with about 100K rows.

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4 Common Data Integrity Issues and How to Solve Them

Octopai

Increased data quality, accessibility, alignment across systems, and context all contribute to increased data integrity. Too much or too little access to data systems. In one example : “Our investigator found “System/Administrator” as the only user role for your (b)(4) software. Where can data integrity fall short? I think not.

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Simply Install: Spark (Cluster Mode)

Insight

This blog covers basic steps to install and configuration Apache Spark (a popular distributed computing framework) as a cluster. Apache Spark is a distributed computing framework that utilizes framework of Map-Reduce to allow parallel processing of different things. More info here. ssh/authorize_keys file in each worker.

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