Shefali Aggarwal

This blog post explores how queries can be sped up by keeping optimized copies of the data. First, we will explore the techniques and benchmark…

Managing big data creates several challenges for data infrastructure teams: Managing “bursty” and unpredictable workloads Coordinating ad hoc and batch workloads Storing rapidly growing data…

One of the important functions of a database administrator is to manage storage structures to optimize performance in a relational database. Admins use tables, views,…

The company Appoints David Hsieh as Senior Vice President of Marketing and Ken Tamura as Vice President of Finance MOUNTAIN VIEW, CA–(Marketwired – Jun 21,…

Qubole introduced first-generation Caching for S3 files in Presto in 2014 and documented the observed performance gains. In a nutshell: for CPU-efficient engines like Spark…

Apache Spark remains a growing force in the realm of big data. Perhaps that shouldn’t come as a surprise considering the overall momentum behind big…

Once an obscure academic topic like “big data” used to be, deep learning has evolved into one of tech’s most exciting and promising disciplines in…

In the beginning, analyzing massive datasets on open source Hadoop was a complex process best left to PhDs. But over the past few years, that…

In an ongoing effort to extract more useful information and insights from massive volumes of structured and unstructured data, many organizations have turned to cloud-based…

Big data projects are becoming much more common as organizations seek to take advantage of all that big data has to offer. While many companies…

This post was written by Chris Chanyi, Senior Data Architect at TubeMogul. It originally appeared here. TubeMogul handles over a trillion HTTP requests a month.…

Big Data Challenges  With all the hype, it’s little wonder that organizations are getting caught up in the idea of having their own big data…