Load XML data into Hive

Documentation for Built-In User-Defined Functions Related To XPath
Q&A
Load data from xml using Mapper.py in hive
map/reduce function on xml string
XmlInputFormat
MANY WAY
PROCESSING XML IN HADOOP
http://xmlandhadoop.blogspot.com/
Cloud9 XmlInputFormat
custom UDFs and hive

Serialization

何謂序列化(Serialization)
10-5 序列化的處理

Zip command

$ zip -r name_of_file.zip files
$ unzip filename.zip

Hive

Writing data into filesystem from queries

How to copy/move data from Hive query result into an external text file or as text file ?

Hive vs. Pig

Compressed Data Storage

Hive HBase Bulk Load

Java HDFS IO

Below is a code sample of how to read from and write to HDFS in java.
Accessing Hadoop DFS for Data Storage and Retrieval Using Java
HDFS directory listing from the Java API

Hadoop & Eclipse

Hadoop & Eclipse
hadoop 0.20 程式開發
編譯 hadoop 0.20.1 的 eclipse plugin

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Eclipse call hadoop Error
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Problem:
Permission denied: user=DrWho, access=WRITE, inode="Administrator":Administrator:supergroup:rwxr-xr-x

Solution:
Hadoop run程式的時候出現問題
Hadoop學習-7 Eclipse運行hadoop（解決錯誤）

Hadoop Counter

Hadoop Tutorial Series, Issue #3: Counters In Action
Hadoop MapReduce Accounting Using Counters

jar

使用jar檔
Why it's failed to load main-class manifest attribute from jar-file?

Linux : Use Java Run Shell Script

When Runtime.exec() won't

WAR

compress the folder test to test.war:
jar -cvfM test.war test

extract the folder test from test.war:
jar -xvf test.war