bitch please
Upcoming SlideShare
Loading in...5
×
 

Like this? Share it with your network

Share

bitch please

on

  • 33 views

 

Statistics

Views

Total Views
33
Views on SlideShare
33
Embed Views
0

Actions

Likes
0
Downloads
0
Comments
0

0 Embeds 0

No embeds

Accessibility

Categories

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

bitch please Presentation Transcript

  • 1. Hadoop Edit by Cassell Hsu 2013.04.19
  • 2. Hadoop Master Slave Slave Slave
  • 3. Hadoop • Master • NameNode • JobTracker • SecondaryNameNode
  • 4. NameNode • Where is NameNode? • Master • HDFS(Hadoop Distributed File System) • What is NameNode? • 資料之位置資訊 • 資料之屬性 ??
  • 5. NameNode • 位置資訊? • 所有資料皆存放在 – DataNode
  • 6. DataNode • What is DataNode • 存放資料 • Where is DataNode • HDFS • Slaves (and Master)
  • 7. User DataNode NameNode DataNode DataNode 12 8M b B 64Mb A 64Mb Check hdfs-site.xml B 64Mb A 64Mb
  • 8. Hadoop DataNodeNameNode Master DataNode DataNode DataNode Slaves
  • 9. Hadoop • Master • NameNode • JobTracker • SecondaryNameNode
  • 10. JobTracker • What is JobTracker? • 排程工作 • Where is JobTracker? • Master 誰來工作?
  • 11. JobTracker & TaskTrackerJobTracker TaskTracker Where Master Slaves What 排程工作 執行工作
  • 12. Hadoop DataNodeNameNode Master DataNode Slaves JobTracker TaskTracker
  • 13. Hadoop • Master • NameNode • JobTracker • SecondaryNameNode
  • 14. SecondaryNameNod e • What is SecondaryNameNode? • NameNode發生錯誤時補救 • Where is SecondaryNameNode? • Master
  • 15. Hadoop DataNodeNameNode Master DataNode Slaves JobTracker TaskTracker SecondaryNode
  • 16. MapReduce User Master Slave2 Slave1 A A1 A2 Task NameNode Task Result 1 Result 2 Reduc e Final Result HDFS
  • 17. MapReduce • 檔案切割 • Hadoop上區塊切割 • 程式指定