Latency Calculation in Apache Apex

In stream processing applications, data arrives continuously and needs to be processed expediently in order to keep up with the incoming flow. Latency  is the primary metric with which the health of a streaming application is measured. High latency is typically an indication of problems. It can cause the application to be unable to keep [...]

David Yan | 
March 23rd, 2016|Technical|0 Comments

GE Predix Supercharging IoT with Apache Apex

 Years ago when I was a data analyst, my responsibility was to analyze machine-generated data to troubleshoot system errors. I would present the findings based on the analysis so the engineering team can modify their design and the technicians can adjust their calibration. When I needed data, the technician had to dress up, go into [...]

Jie Wu | 
December 17th, 2015|Technical|0 Comments

Real Time Streaming for Advertising Technology

This is a blog to summarize and recap the presentation made by the PubMatic team at the Apex Meetup on Nov 19 2015, at MapR office in San Jose.In this meetup, Dev Tagare from PubMatic shared their real time use cases and showed how PubMatic is leveraging real time and near real time business decision [...]

Charu Madan | 
December 15th, 2015|Technical|1 Comment

An Accelerated, Simplified and Scalable Approach to Fuel Your Big Data Projects

Fast Big Data To conduct meaningful analytics, first you need to collect all the necessary, relevant data to feed to your model. But gathering data from multiple disparate sources can be an extremely messy, time consuming task. Big Data, often (in)famously characterized with its unprecedented speed, volume and format, adds more complexity to this [...]

Jie Wu | 
December 3rd, 2015|Technical|0 Comments

E-Tailers and Advertisers – Get Ready for a Real-Time Race This Holiday Season

Now that Black Friday is behind us, merchants are busy calculating the sales figures from the Thanksgiving weekend and  gearing up for the Cyber Monday. Early statistics show that although the sales on Black Friday at brick and mortar stores has fallen compared to that in 2014, the online sales jumped 14% from the prior [...]

Jie Wu | 
November 30th, 2015|Technical|0 Comments