• Save
Virus infected file. Do not delete
Upcoming SlideShare
Loading in...5
×
 

Virus infected file. Do not delete

on

  • 472 views

 

Statistics

Views

Total Views
472
Views on SlideShare
468
Embed Views
4

Actions

Likes
2
Downloads
5
Comments
0

1 Embed 4

http://staging.slideshare.com 4

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

    Virus infected file. Do not delete Virus infected file. Do not delete Presentation Transcript

    • Hadoop Edit by Cassell Hsu 2013.04.19
    • Hadoop Master Slave Slave Slave
    • Hadoop • Master • NameNode • JobTracker • SecondaryNameNode
    • 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 ??
    • NameNode • 位置資訊 ? • 所有資料皆存放在 – DataNode
    • DataNode • What is DataNode • 存放資料 • Where is DataNode • HDFS • Slaves (and Master)
    • UserUser DataNodeDataNode NameNodeNameNode DataNodeDataNode DataNodeDataNode 128 Mb B 64Mb A 64Mb Check hdfs-site.xml B 64Mb A 64Mb
    • Hadoop DataNodeDataNodeNameNodeNameNode Master DataNodeDataNode DataNodeDataNode DataNodeDataNode Slaves
    • Hadoop • Master • NameNode • JobTracker • SecondaryNameNode
    • JobTracker • What is JobTracker? • 排程工作 • Where is JobTracker? • Master 誰來工作?
    • JobTracker & TaskTracker JobTracker TaskTracker Where Master Slaves What 排程工作 執行工作
    • Hadoop DataNodeDataNodeNameNodeNameNode Master DataNodeDataNode Slaves JobTrackerJobTracker TaskTrackerTaskTracker
    • Hadoop • Master • NameNode • JobTracker • SecondaryNameNode
    • SecondaryNameNode • What is SecondaryNameNode? • NameNode 發生錯誤時補救 • Where is SecondaryNameNode? • Master
    • Hadoop DataNodeDataNodeNameNodeNameNode Master DataNodeDataNode Slaves JobTrackerJobTracker TaskTrackerTaskTracker SecondaryNodeSecondaryNode
    • MapReduce User Master Slave2 Slave1 A A1 A2 Task NameNode Task Result1 Result2 Reduce Final ResultHDFS
    • MapReduce • 案切割檔 • Hadoop 上區塊切割 • 程式指定