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   Hadoop for Developers (4 days)培訓(xùn)

Section 1: Introduction to Hadoop
hadoop history, concepts
eco system
distributions
high level architecture
hadoop myths
hadoop challenges
hardware / software
lab : first look at Hadoop
Section 2: HDFS
Design and architecture
concepts (horizontal scaling, replication, data locality, rack awareness)
Daemons : Namenode, Secondary namenode, Data node
communications / heart-beats
data integrity
read / write path
Namenode High Availability (HA), Federation
labs : Interacting with HDFS
Section 3 : Map Reduce
concepts and architecture
daemons (MRV1) : jobtracker / tasktracker
phases : driver, mapper, shuffle/sort, reducer
Map Reduce Version 1 and Version 2 (YARN)
Internals of Map Reduce
Introduction to Java Map Reduce program
labs : Running a sample MapReduce program
Section 4 : Pig
pig vs java map reduce
pig job flow
pig latin language
ETL with Pig
Transformations & Joins
User defined functions (UDF)
labs : writing Pig scripts to analyze data
Section 5: Hive
architecture and design
data types
SQL support in Hive
Creating Hive tables and querying
partitions
joins
text processing
labs : various labs on processing data with Hive
Section 6: HBase
concepts and architecture
hbase vs RDBMS vs cassandra
HBase Java API
Time series data on HBase
schema design
labs : Interacting with HBase using shell; programming in HBase Java API ; Schema design exercise