Evgeny Stankevich

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Async Servlet Feature of Servlet 3

Before we jump into understanding what Async Servlet is, let’s try to understand why do we need it. Let’s say we have a Servlet that takes a lot of …

50 Servlet Interview Questions and Answers

What is different between web server and application server?<p>A web server responsibility is to handler HTTP requests from client browsers and respond …

Finagle: A Protocol-Agnostic RPC System

Finagle is a protocol-agnostic, asynchronous RPC system for the JVM that makes it easy to build robust clients and servers in Java, Scala, or any …

10 Common Mistakes Java Developers Make when Writing SQL

Java developers mix object-oriented thinking with imperative thinking, depending on their levels of:<p>Skill (anyone can code imperatively)<br>• Dogma (some …

Enterprise Java Tutorials

Running Map-Reduce Job in Apache Hadoop (Multinode Cluster)

We will describe here the process to run MapReduce Job in Apache Hadoop in multinode cluster. To set up Apache Hadoop in Multinode Cluster, one can …