Actian Blog / Tag / Tutorial/Tips

Tagged Posts: Tutorial/Tips

Hadoop Short Circuit Reads And Database Performance
  • August 2, 2016

Hadoop Short Circuit Reads and Database Performance

If you've been working with Hadoop then you've likely come across the concept of Short Circuit Reads (SCRs) and how they can aid performance. These days they are mostly enabled by default (although not in "vanilla" Apache or close derivatives like Amazon EMR). Actian VectorH brings high performance SQL, ACID compliance, and enterprise security…

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Performance Troubleshooting Tips For Actian Vector In Hadoop
  • June 20, 2016

Performance Troubleshooting Tips for Actian Vector in Hadoop

Actian Vector and Vector in Hadoop are powerful tools for running queries efficiently. However, most users of data analytics platforms seek to find ways to optimize performance to gain incremental query improvements. The Actian Service and Support team works with our customers to identify common areas that should be investigated when trying to improve…

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  • May 3, 2016

Amazon EMR as an Easy-to-set-up Hadoop Platform

Recently I helped a customer perform an evaluation of Actian Vector in Hadoop (VectorH) to see if it could maintain “a few seconds” performance as the data sizes grew from one to tens of billions of rows (which it did, but that’s not the subject of this entry). The customer in question was only…

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Taking Advantage Of Ordered Data
  • May 2, 2016

Taking Advantage of Ordered Data

Actian Vector and Vector in Hadoop (VectorH) have a lightweight, but very potent, feature that can give a significant performance boost when querying data that possesses some kind of ordering. This entry takes a look at this feature and describes how to use it. The feature utilises what are referred to as MinMax structures.…

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  • April 28, 2016

Actian Developer Tools available on Github

The Actian technology teams have recently posted a number of technical tools and snippets to the Actian account on Github that will be of interest to customers, partners and prospects. We encourage all of you to take a look and make contributions of your own – either to enhance these tools, or else to…

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