Setting Up Hadoop 2.7.1 on Windows and Managing HDFS Storage

Hadoop Installation on Windows This guide covers the complete process of deploying Hadoop 2.7.1 on a Windows system, configuring HDFS, and performing file operations. Prerequisites Windows operating system JDK 8 or compatible Java version installed Hadoop 2.7.1 binary distribution from Apache archives Windows-specific Hadoop binaries (hadoopon ...

Posted on Fri, 08 May 2026 18:54:35 +0000 by Eclesiastes

Selenium Web Scraping and Flume Data Processing Implementation

Extracting Stock Market Data with SeleniumTo retrieve financial information from dynamic web pages, Selenium is used to automate browser interactions, specifically targeting elements that load via JavaScript. The target involves extracting data from the Shanghai A-shares, Shenzhen A-shares, and aggregated boards. The data is persisted in a stru ...

Posted on Thu, 07 May 2026 11:10:01 +0000 by Ryan Sanders

ZooKeeper Watcher Mechanism: Principles and Practical Guide

ZooKeeper Watcher Mechanism: Principles and Practical Guide This article explores the ZooKeeper Watcher mechanism, a core component for distributed coordination. It covers fundamental concepts, the publish/subscribe model, workflow, application scenarios, and practical command examples. Background We have three cloud servers (2C4G each) running ...

Posted on Thu, 07 May 2026 05:59:21 +0000 by markszy

Configuring and Running Spark SQL with Hive Integration

To build a Spark distribution compatible with Hadoop CDH 5.7.0 and Hive support, navigate to the Spark source directory: [hadoop@hadoop001 spark-2.1.0]$ pwd /home/hadoop/source/spark-2.1.0 Compile using Maven with profiles for YARN, Hadoop 2.6, Hive, and Hive Thriftserver: ./build/mvn -Pyarn -Phadoop-2.6 -Phive -Phive-thriftserver \ -Dhadoop ...

Posted on Thu, 07 May 2026 02:26:00 +0000 by kporter.porter