• Share
  • Email
  • Embed
  • Like
  • Save
  • Private Content
Pp1tx present
 

Pp1tx present

on

  • 36 views

 

Statistics

Views

Total Views
36
Views on SlideShare
36
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

    Pp1tx present Pp1tx present 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)
    • User DataNode NameNode DataNode DataNode 12 8M b B 64Mb A 64Mb Check hdfs-site.xml B 64Mb A 64Mb
    • Hadoop DataNodeNameNode Master DataNode DataNode DataNode Slaves
    • Hadoop • Master • NameNode • JobTracker • SecondaryNameNode
    • JobTracker • What is JobTracker? • 排程工作 • Where is JobTracker? • Master 誰來工作?
    • JobTracker & TaskTrackerJobTracker TaskTracker Where Master Slaves What 排程工作 執行工作
    • Hadoop DataNodeNameNode Master DataNode Slaves JobTracker TaskTracker
    • Hadoop • Master • NameNode • JobTracker • SecondaryNameNode
    • SecondaryNameNod e • What is SecondaryNameNode? • NameNode發生錯誤時補救 • Where is SecondaryNameNode? • Master
    • Hadoop DataNodeNameNode Master DataNode Slaves JobTracker TaskTracker SecondaryNode
    • MapReduce User Master Slave2 Slave1 A A1 A2 Task NameNode Task Result 1 Result 2 Reduc e Final Result HDFS
    • MapReduce • 檔案切割 • Hadoop上區塊切割 • 程式指定