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Apache Pig is a high-level platform for creating programs that run on Apache Hadoop. The language...

HBase is a key-valued row/column store modeled on Google’s Bigtable providing Bigtable-like capab...

By default, Hadoop uses FIFO to schedule jobs. Alternate scheduler options: capacity and fair Cap...

Input Splitter Is responsible for splitting your input into multiple chunks (default is 64MB). Th...

Introduction MapReduce is a programming model and an associated implementation for processing an...

YARN Splits up the two major functions of JobTracker Global Resource Manager - Cluster resourc...

Shell Commands There are two types of shell commands: User Commands hdfs dfs – runs filesyste...

HDFS Architecture NameNode Manages File System Namespace Maps a file name to a set of blocks M...

Software platform to easily process vast amounts of data. The main features are: Scalable: It c...

The step after Data Acquisition and before Analysis in the data management flow is Data Wrangling...

Working with Beats Beats focus on data collection and shipping while Logstash focuses on processi...

Creating and index: PUT /index_name Define a mapping: PUT /my_index/_mapping { "properties": { ...

Kibana: Visualize and Manage Elasticsearch: Store, Search and Analyze Logstash + Beats: Inges...

To query the data stored within Cassandra, a dedicated query language named Cassandra Query Langu...

HBase Table: Split it into multiple regions: replicated across servers. One Store per ColumnFa...

In the recent years there has been a ever growing need for technologies capable of handling large...

Memcache is a free & open source, high-performance, distributed memory object caching system that...

Redis is an advanced key-value store, where keys can contain data structures such as strings, has...

In many applications performance is an essential priority, and often a small delay in response ti...

Create Create a database: use database_name Create a collection: db.createCollection(name, option...