Changes between Version 26 and Version 27 of MR_manual

Timestamp:

Sep 2, 2008, 3:57:30 PM (16 years ago)

Author:

waue

Comment:

--

MR_manual

@@ -8 +8 @@
 
  == 1.1 簡介 == 
- * 近來雲端技術這個名詞由Google、Yahoo這兩個網路龍頭的推波助瀾而刮起旋風，連微軟也宣稱下一代的作業系統為"雲端系統"，因此雲端技術勢必為新的趨勢。國網中心為台灣重要的電腦技術研究中心，因此成立團隊開啟雲端技術的研究。[[BR]]
+ * 近來雲端技術這個名詞由Google、Yahoo這兩個網路龍頭的推波助瀾而颳起旋風，連微軟也宣稱下一代的作業系統為"雲端系統"，因此雲端技術勢必為新的趨勢。國網中心為台灣重要的電腦技術研究中心，因此成立團隊開啟雲端技術的研究。[[BR]]
  * 本篇文章探討開源碼專案Hadoop以及HBase，第一章從概念開始介紹起，並在第二、三章詳細的說明如何安裝、設定及運行；第四章探討此系統的效能測試；前一部分介紹如何使用，後一部分開始偏重如何編寫Map Reduce的程式，因此在第五章介紹如何透過Eclipse建立起編程環境；第六章探討Map-Reduce的範例程式碼，最後附上相關連結。
  == 1.2 雲端運算 == 
@@ -56 +56 @@
 $ apt-get install sun-java6-bin sun-java6-jdk sun-java6-jre sun-java6-plugin
 }}}
-suggest to remove the default java compiler “ gcj ”
+suggest to remove the default java compiler 「 gcj 」
 {{{
 $ apt-get purge java-gcj-compat
@@ -170 +170 @@
 $ vi conf/hbase-env.sh
   export JAVA_HOME=/usr/lib/jvm/java-6-sun
+  CLASSPATH=/home/waue/workspace/hadoop/conf
+}}}
+
 }}}
     * 用hbase連接hadoop DFS
@@ -253 +256 @@
  * Then make sure http://localhost:50030/ by your explorer is on going.  [[br]]
 
- * Ps : if your system had error after restart, you could do there for resolving and renewing one. And repeat to “4. start up Hadoop”
+ * Ps : if your system had error after restart, you could do there for resolving and renewing one. And repeat to 「4. start up Hadoop」
 {{{
  $ cd $HADOOP_HOME
@@ -337 +340 @@
 set compiler compliance level to 5.0 
 }}}
- * Some eclipse-plugin may exhaust much resource, you may happen to “out of memory error”. We suggest to execute eclipse with some parameters as that : 
+ * Some eclipse-plugin may exhaust much resource, you may happen to 「out of memory error」. We suggest to execute eclipse with some parameters as that : 
 {{{
  $  eclipse -vmargs -Xmx 512m
@@ -352 +355 @@
  > Finish
 }}}
- * at “Project explorer”, you will see “sample” tree. Now, you should create a sample code.
+ * at 「Project explorer」, you will see 「sample」 tree. Now, you should create a sample code.
 {{{
 Eclipse
@@ -362 +365 @@
 [http://trac.nchc.org.tw/cloud/attachment/wiki/hadoop-sample-code/WordCount.java]
 
- * paste the contents to your new adding file “!WordCount.java”
+ * paste the contents to your new adding file 「!WordCount.java」
  === 5.3.2. Connect to Hadoop File System === 
 
@@ -386 +389 @@
  * It should show up under a little elephant icon in the Project Explorer  (on the left side of Eclipse). 
 
- * ps  :  Pleast make sure your Hadoop is working on local system. If not, please refer “session 2 Hadoop Setup” for debuging, or you can not pass through.
+ * ps  :  Pleast make sure your Hadoop is working on local system. If not, please refer 「session 2 Hadoop Setup」 for debuging, or you can not pass through.
 
 {{{
@@ -407 +410 @@
 an existing server from the list below > finish
 }}}
- * A “console” tag will show beside “!MapReduce Server” tag. 
+ * A 「console」 tag will show beside 「!MapReduce Server」 tag. 
 
  * While Map Reduce is running, you can visit http://localhost:50030/ to view that Hadoop is dispatching jobs by Map Reduce.