2015-01-15 | #Me
Instead of using the old Hadoop way (map/reduce), I suggest using the newer and faster way (Apache Spark on top of Hadoop Yarn): in few lines you can open all tweets (zipped json files saved in several subdirectories hdfs://path/to/YEAR/MONTH/DAY/*gz) and query them in a SQL like language``` sc = SparkContext(appName=“extraxtStatsFromTweets.
2014-11-25 | #Me
Apache Spark has just passed Hadoop in popolarity on the web (google trends) My first Apache Spark usage was extracting texts from tweets I’ve been collecting in Hadoop HDFS. My python script tweet-texts.
2014-10-03 | #airflow #apache #bigdata #hadoop #luigi #oziee #workflow
How to orchestrate your Hadoop Jobs? Possible solutions are: Apache Oziee included in the top Hadoop distributions Azkaban from LinkedIn Luigi from Spotify Apache Airflow from AirBnb See for instance a comparison among luigi, airflow and pinball at http://bytepawn.
2014-10-03 | #Me
The two top Hadoop distributions (Cloudera and Hortonworks but remember that Hadoop is a Free Software and many companies do not pay anything for using it!) include Apache Solr as Hadoop search tool See apache-solr-hadoop-search article and the following two presentations from the two vendors [slideshare id=35810888&doc=solr-2-140612162029-phpapp02] [slideshare id=24255985&doc=hadoopplussolrbigdatasearch-130715115557-phpapp02] See also the Natural Language Processing and Sentiment Analysis for Retailers using HDP and ITC Infotech Radar article
2014-09-29 | #google analytics #obiee #oracle
I opened a service request to Oracle and they did not provide me an official way to add the Google Analytics javascript code to Oracle OBIEE (release 11.1.1.7): I wanted to add it in only one place and see it in all pages of Oracle Obiee.
