How-To : Setup Realtime Alalytics over Logs with ELK Stack : Elasticsearch, Logstash, Kibana?
Once we know something, we find it hard to imagine what it was like not to know it.
— Chip & Dan Heath, Authors of Made to Stick, Switch
What is the ELK stack?
The ELK stack consists of open source tools ElasticSearch, Logstash, and Kibana. These three provide a fully working real-time data analytics tool for getting wonderful information sitting on your data.
Hadoop : Getting Started with Pig
What is Apache Pig?
Apache Pig is a high level scripting language that is used with Apache Hadoop. It enables data analysts to write complex data transformations without knowing Java. Its simple SQL-like scripting language is called Pig Latin, and appeals to developers already familiar with scripting languages and SQL. Pig Scripts are converted into MapReduce Jobs which run on data stored in HDFS (refer to the diagram below).
String Interning – What ,Why and When ?
What is String Interning
String Interning is a method of storing only one copy of each distinct String Value, which must be immutable.
SOAP Webservices Using Apache CXF : Adding Custom Object as Header in Outgoing Requests
What is Apache CXF?
Apache CXF is an open source services framework. CXF helps you build and develop services using frontend programming APIs, like JAX-WS and JAX-RS. These services can speak a variety of protocols such as SOAP, XML/HTTP, RESTful HTTP, or CORBA and work over a variety of transports such as HTTP, JMS etc.
Top 10 Hadoop Shell Commands to manage HDFS
So you already know what Hadoop is? Why it is used for? What problems you can solve with it? And you want to know how you can deal with files on HDFS? Don’t worry, you are in the right place.