Changes between Version 2 and Version 3 of Hinet130923/Lab12


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Timestamp:
Sep 24, 2013, 1:36:43 PM (11 years ago)
Author:
jazz
Comment:

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  • Hinet130923/Lab12

    v2 v3  
    1111}}}
    1212
    13 
    14   Excercise:
    15   (1) What is the result of Path.CUR_DIR ?
    16   (2) In local mode, which class is srcFs object ?
    17   (3) In full distributed mode, which class is srcFs object ?
    18   (4) Which classes are updated in hadoop-core-*.jar according to the difference between two jar files?
    19   (5) Please observe the source code architecture in ${HOME}/hadoop/src/core/org/apache/hadoop/fs.
    20       Which File Systems are supported by Hadoop 1.0.4?
    21       (A) HDFS (hdfs://namenode:port)
    22       (B) Amazon S3 (s3:// , s3n://)
    23       (C) KFS
    24       (D) Local File System (file:///)
    25       (F) FTP (ftp://user:passwd@ftp-server:port)
    26       (G) RAMFS (ramfs://)
    27       (H) HAR (Hadoop Archive Filesystem, har://underlyingfsscheme-host:port/archivepath or har:///archivepath )
    2813
    2914{{{
     
    5035== 實作習題 ==
    5136
    52  <問題 1> 在全分散模式下,
     37 <問題 1> 試回答的 lab003 執行後,回傳的 Path.CUR_DIR 結果
     38 <問題 2> 在單機模式,srcFs 物件是哪一個 Java 類別
     39 <問題 3> 在全分散模式,srcFs 物件是哪一個 Java 類別
     40 <問題 4> 根據 ${HOME}/hadoop/src/core/org/apache/hadoop/fs 目錄的內容,試猜測 Hadoop 1.0.4 支援哪幾種檔案系統:
     41{{{
     42#!text
     43      (A) HDFS (hdfs://namenode:port)
     44      (B) Amazon S3 (s3:// , s3n://)
     45      (C) KFS
     46      (D) Local File System (file:///)
     47      (F) FTP (ftp://user:passwd@ftp-server:port)
     48      (G) RAMFS (ramfs://)
     49      (H) HAR (Hadoop Archive Filesystem, har://underlyingfsscheme-host:port/archivepath or har:///archivepath )
     50}}}
     51
     52在全分散模式下,
    5353  (1) In full distributed mode, what do you see after running "hadoop fs -ls"?
    5454  (2) Change to local mode, what do you see after running "hadoop fs -ls"?