Shulou(Shulou.com)06/03 Report--

Key components:

Distributed File Storage system of HDFS:Hadoop

MapReduce:Hadoop 's distributed program computing framework can also be called a programming model.

Hive: SQL-like data Warehouse tool based on Hadoop

HBase: column distributed NoSQL Database based on Hadoop

ZooKeeper: distributed coordination service component

Mahout: a machine learning algorithm library based on distributed computing frameworks such as MapReduce/Flink/Spark

Oozie/Azkaban: workflow scheduling engine

Sqoop: data move in and out tool

Flume: log collection tool

Data processing flow:

A. data acquisition: customize the development of acquisition programs, or use the open source framework Flume or LogStash

B, data preprocessing: custom development MapReduce programs run in Hadoop cluster, or special data collection tools can also preprocess data.

C, data warehouse technology: Hive based on Hadoop

D, data export: Sqoop data import and export tool based on Hadoop

E, data visualization: customize the development of web programs or use products such as Kettle

F, statistical analysis of data: MapReduce in Hadoop is either Hive based on Hadoop, or Spark,Flink

G, process scheduling of the whole process: Oozie/Azkaban tools in the Hadoop ecosystem or other similar open source products

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