SlideShare a Scribd company logo
1 of 17
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

More Related Content

Similar to Pp1tx present

Similar to Pp1tx present (6)

Ntb0e5xqqjihzzxh3bit 140416002604-phpapp02
Ntb0e5xqqjihzzxh3bit 140416002604-phpapp02Ntb0e5xqqjihzzxh3bit 140416002604-phpapp02
Ntb0e5xqqjihzzxh3bit 140416002604-phpapp02
 
Pptx%20present
Pptx%20presentPptx%20present
Pptx%20present
 
Pp1tx present
Pp1tx presentPp1tx present
Pp1tx present
 
Pptx%20present
Pptx%20presentPptx%20present
Pptx%20present
 
Hadoop 130419075715-phpapp02(1)
Hadoop 130419075715-phpapp02(1)Hadoop 130419075715-phpapp02(1)
Hadoop 130419075715-phpapp02(1)
 
Pptx present
Pptx presentPptx present
Pptx present
 

More from Nitish Bhardwaj

More from Nitish Bhardwaj (20)

Untitled Presentation
Untitled PresentationUntitled Presentation
Untitled Presentation
 
Docx document
Docx documentDocx document
Docx document
 
Doc1x
Doc1xDoc1x
Doc1x
 
10 Famous Quotes on Sachin Tendulkar
10 Famous Quotes on Sachin Tendulkar10 Famous Quotes on Sachin Tendulkar
10 Famous Quotes on Sachin Tendulkar
 
Check the latest tool
Check the latest toolCheck the latest tool
Check the latest tool
 
Presentation 2
Presentation 2Presentation 2
Presentation 2
 
Docx document
Docx documentDocx document
Docx document
 
Do1c
Do1cDo1c
Do1c
 
Doc1x
Doc1xDoc1x
Doc1x
 
Internet of-things-slideshare-140819153732-phpapp01
Internet of-things-slideshare-140819153732-phpapp01Internet of-things-slideshare-140819153732-phpapp01
Internet of-things-slideshare-140819153732-phpapp01
 
Adrianalimabikinibodyworkoutdietplan
AdrianalimabikinibodyworkoutdietplanAdrianalimabikinibodyworkoutdietplan
Adrianalimabikinibodyworkoutdietplan
 
Drivepresent 140702005121-phpapp01
Drivepresent 140702005121-phpapp01Drivepresent 140702005121-phpapp01
Drivepresent 140702005121-phpapp01
 
Drivepresent 140702005121-phpapp01
Drivepresent 140702005121-phpapp01Drivepresent 140702005121-phpapp01
Drivepresent 140702005121-phpapp01
 
Drivepresent 140702005121-phpapp01
Drivepresent 140702005121-phpapp01Drivepresent 140702005121-phpapp01
Drivepresent 140702005121-phpapp01
 
Beautifulplanetearthafrica 140801155400-phpapp01
Beautifulplanetearthafrica 140801155400-phpapp01Beautifulplanetearthafrica 140801155400-phpapp01
Beautifulplanetearthafrica 140801155400-phpapp01
 
Ppt1x present
Ppt1x presentPpt1x present
Ppt1x present
 
Nbhardwa w7n1
Nbhardwa w7n1Nbhardwa w7n1
Nbhardwa w7n1
 
Hadoop 130419075715-phpapp02(1)
Hadoop 130419075715-phpapp02(1)Hadoop 130419075715-phpapp02(1)
Hadoop 130419075715-phpapp02(1)
 
Do1c
Do1cDo1c
Do1c
 
Doc1x
Doc1xDoc1x
Doc1x
 

Recently uploaded

Quick Doctor In Kuwait +2773`7758`557 Kuwait Doha Qatar Dubai Abu Dhabi Sharj...
Quick Doctor In Kuwait +2773`7758`557 Kuwait Doha Qatar Dubai Abu Dhabi Sharj...Quick Doctor In Kuwait +2773`7758`557 Kuwait Doha Qatar Dubai Abu Dhabi Sharj...
Quick Doctor In Kuwait +2773`7758`557 Kuwait Doha Qatar Dubai Abu Dhabi Sharj...
daisycvs
 
Call Girls Electronic City Just Call 👗 7737669865 👗 Top Class Call Girl Servi...
Call Girls Electronic City Just Call 👗 7737669865 👗 Top Class Call Girl Servi...Call Girls Electronic City Just Call 👗 7737669865 👗 Top Class Call Girl Servi...
Call Girls Electronic City Just Call 👗 7737669865 👗 Top Class Call Girl Servi...
amitlee9823
 
Russian Call Girls In Gurgaon ❤️8448577510 ⊹Best Escorts Service In 24/7 Delh...
Russian Call Girls In Gurgaon ❤️8448577510 ⊹Best Escorts Service In 24/7 Delh...Russian Call Girls In Gurgaon ❤️8448577510 ⊹Best Escorts Service In 24/7 Delh...
Russian Call Girls In Gurgaon ❤️8448577510 ⊹Best Escorts Service In 24/7 Delh...
lizamodels9
 
Call Girls Navi Mumbai Just Call 9907093804 Top Class Call Girl Service Avail...
Call Girls Navi Mumbai Just Call 9907093804 Top Class Call Girl Service Avail...Call Girls Navi Mumbai Just Call 9907093804 Top Class Call Girl Service Avail...
Call Girls Navi Mumbai Just Call 9907093804 Top Class Call Girl Service Avail...
Dipal Arora
 
Call Girls Kengeri Satellite Town Just Call 👗 7737669865 👗 Top Class Call Gir...
Call Girls Kengeri Satellite Town Just Call 👗 7737669865 👗 Top Class Call Gir...Call Girls Kengeri Satellite Town Just Call 👗 7737669865 👗 Top Class Call Gir...
Call Girls Kengeri Satellite Town Just Call 👗 7737669865 👗 Top Class Call Gir...
amitlee9823
 
unwanted pregnancy Kit [+918133066128] Abortion Pills IN Dubai UAE Abudhabi
unwanted pregnancy Kit [+918133066128] Abortion Pills IN Dubai UAE Abudhabiunwanted pregnancy Kit [+918133066128] Abortion Pills IN Dubai UAE Abudhabi
unwanted pregnancy Kit [+918133066128] Abortion Pills IN Dubai UAE Abudhabi
Abortion pills in Kuwait Cytotec pills in Kuwait
 
Call Girls In DLf Gurgaon ➥99902@11544 ( Best price)100% Genuine Escort In 24...
Call Girls In DLf Gurgaon ➥99902@11544 ( Best price)100% Genuine Escort In 24...Call Girls In DLf Gurgaon ➥99902@11544 ( Best price)100% Genuine Escort In 24...
Call Girls In DLf Gurgaon ➥99902@11544 ( Best price)100% Genuine Escort In 24...
lizamodels9
 
Call Girls Hebbal Just Call 👗 7737669865 👗 Top Class Call Girl Service Bangalore
Call Girls Hebbal Just Call 👗 7737669865 👗 Top Class Call Girl Service BangaloreCall Girls Hebbal Just Call 👗 7737669865 👗 Top Class Call Girl Service Bangalore
Call Girls Hebbal Just Call 👗 7737669865 👗 Top Class Call Girl Service Bangalore
amitlee9823
 

Recently uploaded (20)

Quick Doctor In Kuwait +2773`7758`557 Kuwait Doha Qatar Dubai Abu Dhabi Sharj...
Quick Doctor In Kuwait +2773`7758`557 Kuwait Doha Qatar Dubai Abu Dhabi Sharj...Quick Doctor In Kuwait +2773`7758`557 Kuwait Doha Qatar Dubai Abu Dhabi Sharj...
Quick Doctor In Kuwait +2773`7758`557 Kuwait Doha Qatar Dubai Abu Dhabi Sharj...
 
Famous Olympic Siblings from the 21st Century
Famous Olympic Siblings from the 21st CenturyFamous Olympic Siblings from the 21st Century
Famous Olympic Siblings from the 21st Century
 
Falcon Invoice Discounting platform in india
Falcon Invoice Discounting platform in indiaFalcon Invoice Discounting platform in india
Falcon Invoice Discounting platform in india
 
Enhancing and Restoring Safety & Quality Cultures - Dave Litwiller - May 2024...
Enhancing and Restoring Safety & Quality Cultures - Dave Litwiller - May 2024...Enhancing and Restoring Safety & Quality Cultures - Dave Litwiller - May 2024...
Enhancing and Restoring Safety & Quality Cultures - Dave Litwiller - May 2024...
 
Monthly Social Media Update April 2024 pptx.pptx
Monthly Social Media Update April 2024 pptx.pptxMonthly Social Media Update April 2024 pptx.pptx
Monthly Social Media Update April 2024 pptx.pptx
 
Call Girls Electronic City Just Call 👗 7737669865 👗 Top Class Call Girl Servi...
Call Girls Electronic City Just Call 👗 7737669865 👗 Top Class Call Girl Servi...Call Girls Electronic City Just Call 👗 7737669865 👗 Top Class Call Girl Servi...
Call Girls Electronic City Just Call 👗 7737669865 👗 Top Class Call Girl Servi...
 
Russian Call Girls In Gurgaon ❤️8448577510 ⊹Best Escorts Service In 24/7 Delh...
Russian Call Girls In Gurgaon ❤️8448577510 ⊹Best Escorts Service In 24/7 Delh...Russian Call Girls In Gurgaon ❤️8448577510 ⊹Best Escorts Service In 24/7 Delh...
Russian Call Girls In Gurgaon ❤️8448577510 ⊹Best Escorts Service In 24/7 Delh...
 
Uneak White's Personal Brand Exploration Presentation
Uneak White's Personal Brand Exploration PresentationUneak White's Personal Brand Exploration Presentation
Uneak White's Personal Brand Exploration Presentation
 
BAGALUR CALL GIRL IN 98274*61493 ❤CALL GIRLS IN ESCORT SERVICE❤CALL GIRL
BAGALUR CALL GIRL IN 98274*61493 ❤CALL GIRLS IN ESCORT SERVICE❤CALL GIRLBAGALUR CALL GIRL IN 98274*61493 ❤CALL GIRLS IN ESCORT SERVICE❤CALL GIRL
BAGALUR CALL GIRL IN 98274*61493 ❤CALL GIRLS IN ESCORT SERVICE❤CALL GIRL
 
Call Girls Navi Mumbai Just Call 9907093804 Top Class Call Girl Service Avail...
Call Girls Navi Mumbai Just Call 9907093804 Top Class Call Girl Service Avail...Call Girls Navi Mumbai Just Call 9907093804 Top Class Call Girl Service Avail...
Call Girls Navi Mumbai Just Call 9907093804 Top Class Call Girl Service Avail...
 
How to Get Started in Social Media for Art League City
How to Get Started in Social Media for Art League CityHow to Get Started in Social Media for Art League City
How to Get Started in Social Media for Art League City
 
Falcon's Invoice Discounting: Your Path to Prosperity
Falcon's Invoice Discounting: Your Path to ProsperityFalcon's Invoice Discounting: Your Path to Prosperity
Falcon's Invoice Discounting: Your Path to Prosperity
 
Call Girls Service In Old Town Dubai ((0551707352)) Old Town Dubai Call Girl ...
Call Girls Service In Old Town Dubai ((0551707352)) Old Town Dubai Call Girl ...Call Girls Service In Old Town Dubai ((0551707352)) Old Town Dubai Call Girl ...
Call Girls Service In Old Town Dubai ((0551707352)) Old Town Dubai Call Girl ...
 
Call Girls In Panjim North Goa 9971646499 Genuine Service
Call Girls In Panjim North Goa 9971646499 Genuine ServiceCall Girls In Panjim North Goa 9971646499 Genuine Service
Call Girls In Panjim North Goa 9971646499 Genuine Service
 
Katrina Personal Brand Project and portfolio 1
Katrina Personal Brand Project and portfolio 1Katrina Personal Brand Project and portfolio 1
Katrina Personal Brand Project and portfolio 1
 
A DAY IN THE LIFE OF A SALESMAN / WOMAN
A DAY IN THE LIFE OF A  SALESMAN / WOMANA DAY IN THE LIFE OF A  SALESMAN / WOMAN
A DAY IN THE LIFE OF A SALESMAN / WOMAN
 
Call Girls Kengeri Satellite Town Just Call 👗 7737669865 👗 Top Class Call Gir...
Call Girls Kengeri Satellite Town Just Call 👗 7737669865 👗 Top Class Call Gir...Call Girls Kengeri Satellite Town Just Call 👗 7737669865 👗 Top Class Call Gir...
Call Girls Kengeri Satellite Town Just Call 👗 7737669865 👗 Top Class Call Gir...
 
unwanted pregnancy Kit [+918133066128] Abortion Pills IN Dubai UAE Abudhabi
unwanted pregnancy Kit [+918133066128] Abortion Pills IN Dubai UAE Abudhabiunwanted pregnancy Kit [+918133066128] Abortion Pills IN Dubai UAE Abudhabi
unwanted pregnancy Kit [+918133066128] Abortion Pills IN Dubai UAE Abudhabi
 
Call Girls In DLf Gurgaon ➥99902@11544 ( Best price)100% Genuine Escort In 24...
Call Girls In DLf Gurgaon ➥99902@11544 ( Best price)100% Genuine Escort In 24...Call Girls In DLf Gurgaon ➥99902@11544 ( Best price)100% Genuine Escort In 24...
Call Girls In DLf Gurgaon ➥99902@11544 ( Best price)100% Genuine Escort In 24...
 
Call Girls Hebbal Just Call 👗 7737669865 👗 Top Class Call Girl Service Bangalore
Call Girls Hebbal Just Call 👗 7737669865 👗 Top Class Call Girl Service BangaloreCall Girls Hebbal Just Call 👗 7737669865 👗 Top Class Call Girl Service Bangalore
Call Girls Hebbal Just Call 👗 7737669865 👗 Top Class Call Girl Service Bangalore
 

Pp1tx present