Hadoop的生态系统
[*]How did it all start- huge data on the web!
[*]Nutch built to crawl this web data
[*]Huge data had to saved- HDFS was born!
[*]How to use this data?
[*]Map reduce framework built for coding and running analytics – java, any language-streaming/pipes
[*]How to get in unstructured data – Web logs, Click streams, Apache logs, Server logs – fuse,webdav, chukwa, flume, Scribe
[*]Hiho and sqoop for loading data into HDFS – RDBMS can join the Hadoop band wagon!
[*]High level interfaces required over low level map reduce programming– Pig, Hive, Jaql
[*]BI tools with advanced UI reporting- drilldown etc- Intellicus
[*]Workflow tools over Map-Reduce processes and High level languages
[*]Monitor and manage hadoop, run jobs/hive, view HDFS – high level view- Hue, karmasphere, eclipse plugin, cacti, ganglia
[*]Support frameworks- Avro (Serialization), Zookeeper (Coordination)
[*]More High level interfaces/uses- Mahout, Elastic map Reduce
[*]OLTP- also possible – Hbase
出处：http://indoos.wordpress.com/2010/08/16/hadoop-ecosystem-world-map/
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