June 1, 2019 InfluxDB compression I’m always amazed at how people improve data storing technique, e.g., Influxdb, a time-series NoSQL database, that not only responds to a query very… Share this:TweetWhatsAppPrintEmail
June 1, 2019 Mailbox checker As an online shopper, I need to regularly check my mailbox, 5 floors separated from home. It is really annoying to check whether a… Share this:TweetWhatsAppPrintEmail
June 1, 2019 Syncsort DMX-h & IBM SPSS Modeler Two other popular data processing platform in the IT world are explored, i.e., DMX-h and SPSS Modeler. 1) DMX-h I was an extensive user… Share this:TweetWhatsAppPrintEmail
June 1, 2019 My first experiment with Zigbee Instead of buying an expensive and proprietary Zigbee gateway, I bought a Zigbee sniffer that could be “changed” to be a universal gateway (https://lnkd.in/dj9HwBF)…. Share this:TweetWhatsAppPrintEmail
June 1, 2019 Zwave+ vs. WiFi-based IoT devices There are at least 4 competing IoT connectivity technologies that have already numerous rolled-out products in the market, i.e., RF-433 MHz, WiFi (ESP8266-based devices),… Share this:TweetWhatsAppPrintEmail
June 1, 2019 Why we need a big data platform such as Hadoop & Spark? On the last post, I mentioned that aggregating & sorting 100 million rows dataset (~ 2.4 GB) using monolithic approach takes 4 seconds to… Share this:TweetWhatsAppPrintEmail
June 1, 2019 Be cautious to include legacy resources as part of the big data system Very often, many organizations insist to involve legacy resources (e.g., applications, data storage) into the big data system. On one hand, it could accelerate… Share this:TweetWhatsAppPrintEmail