Hadoop - Overview
- What is Big Data
- Introduction to Hadoop Framework
- Installing Hadoop on a Single Node Cluster in Pseudo-Distributed Mode
HDFS
- What is Hadoop Distributed File System (HDFS)
- Replica Placement Policy in Hadoop Framework
- NameNode, DataNode And Secondary NameNode in HDFS
- HDFS Commands Reference List With Examples
- How to Handle Missing And Under Replicated Blocks in HDFS
- What is SafeMode in Hadoop
- HDFS Federation in Hadoop Framework
- HDFS High Availability
- File Read in HDFS - Hadoop Framework Internal Steps
- File Write in HDFS - Hadoop Framework Internal Steps
- Java Program to Read File in HDFS
- Java Program to Write File in HDFS
MapReduce
- Word Count MapReduce Program in Hadoop
- How MapReduce Works in Hadoop
- MapReduce Flow in YARN
- How to Check Hadoop MapReduce Logs
- ToolRunner and GenericOptionsParser in Hadoop
- Input Splits in Hadoop
- Data Locality in Hadoop
- Speculative Execution in Hadoop
- How to Compress Intermediate Map Output in Hadoop
- How to Compress MapReduce Job Output in Hadoop
- How to Write a Map Only Job in Hadoop MapReduce
- Using Combiner in Hadoop MapReduce to Improve Performance
- Chaining MapReduce Job in Hadoop
- Predefined Mapper And Reducer Classes in Hadoop
- Shuffle And Sort Phases in Hadoop MapReduce
- Counters in Hadoop MapReduce Job
- Distributed Cache in Hadoop MapReduce
- OutputCommitter in Hadoop
- Tips For Improving MapReduce Performance
Hadoop-IO
- Data Compression in Hadoop
- Compressing File in bzip2 Format in Hadoop - Java Program
- Compressing File in snappy Format in Hadoop - Java Program
- How to Configure And Use LZO Compression in Hadoop
- Sequence File in Hadoop
- How to Read And Write SequenceFile in Hadoop
- Parquet File Format in Hadoop
- How to Read And Write Parquet File in Hadoop
- Converting Text File to Parquet File Using Hadoop MapReduce
- Apache Avro Format in Hadoop
- How to Read And Write Avro File in Hadoop
- Using Avro File With Hadoop MapReduce
YARN