Changes between Initial Version and Version 1 of III131019/Lab10

Timestamp:

Oct 19, 2013, 12:56:29 PM (11 years ago)

Author:

jazz

Comment:

--

III131019/Lab10

@@ +1 @@
+[[PageOutline]]
+
+◢ <[wiki:III131019/Lab9 實作九]> | <[wiki:III131019 回課程大綱]> ▲ | <[wiki:III131019/Lab11 實作十一]> ◣
+
+= 實作十 Lab10 =
+
+{{{
+cd ~/hadoop_labs/lab004
+ant
+hadoop fs -ls
+hadoop jar copyFromLocal.jar doc input
+hadoop fs -ls
+touch test
+hadoop jar copyFromLocal.jar test file
+hadoop fs -ls
+
+export HADOOP_CONF_DIR=~/hadoop/conf.local/
+hadoop fs -ls
+hadoop jar copyFromLocal.jar doc input
+hadoop fs -ls
+hadoop jar copyFromLocal.jar test file
+hadoop fs -ls
+unset HADOOP_CONF_DIR
+
+ant clean
+}}}
+
+== 實作習題 ==
+
+ <問題 1> 執行 lab003/FsShell，在單機模式時，srcFs 物件是哪一個 Java 類別
+{{{
+#!text
+      (A) org.apache.hadoop.fs.LocalFileSystem
+      (B) org.apache.hadoop.hdfs.DistributedFileSystem
+      (C) org.apache.hadoop.fs.shell.Count
+      (D) org.apache.hadoop.fs.shell.CommandFormat
+}}}
+
+ <問題 2> 執行 lab003/FsShell，在全分散模式時，srcFs 物件是哪一個 Java 類別
+{{{
+#!text
+      (A) org.apache.hadoop.fs.LocalFileSystem
+      (B) org.apache.hadoop.hdfs.DistributedFileSystem
+      (C) org.apache.hadoop.fs.shell.Count
+      (D) org.apache.hadoop.fs.shell.CommandFormat
+}}}
+
+ <問題 3> 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: (複選)
+
+ <提示> http://answers.oreilly.com/topic/456-get-to-know-hadoop-filesystems/
+{{{
+#!text
+      (A) HDFS (hdfs://namenode:port)
+      (B) Amazon S3 (s3:// , s3n://)
+      (C) KFS 
+      (D) Local File System (file:///)
+      (F) FTP (ftp://user:passwd@ftp-server:port)
+      (G) RAMFS (ramfs://)
+      (H) HAR (Hadoop Archive Filesystem, har://underlyingfsscheme-host:port/archivepath or har:///archivepath )
+}}}