Changes between Version 8 and Version 9 of NCHCCloudCourse100802/Lab1

Timestamp:

Aug 4, 2010, 10:39:30 AM (14 years ago)

Author:

jazz

Comment:

--

NCHCCloudCourse100802/Lab1

@@ -2 +2 @@
 #!html
 <div style="text-align: center;"><big
- style="font-weight: bold;"><big><big>實作一： Hadoop 0.20 單機安裝</big></big></big><br/><big><big>Lab1: Hadoop Installation: single node, presudo mode</big></big></div>
-}}}
+ style="font-weight: bold;"><big><big>實作一： Hadoop 0.20 單機安裝</big></big></big><br/><big><big>Lab1: Hadoop Installation: single node, pseudo-distributed </big></big></div>
+}}}
+
 [[PageOutline]]
 
@@ -89 +90 @@
 }}}
 
+----
+
+[[PageOutline]]
+
 == Step 4: 設定 hadoop-env.sh ==
 == Step 4: Configure hadoop-env.sh ==
@@ -175 +180 @@
 == Step 6: Format HDFS ==
 
- * 以上我們已經設定好 Hadoop 單機測試的環境，接著讓我們來啟動 Hadoop 相關服務，格式化 namenode， secondarynamenode, tasktracker
+ * 以上我們已經設定好 Hadoop 單機測試的環境，接著讓我們來啟動 Hadoop 相關服務，首先必須格式化 namenode[[BR]] Now, we have configured Hadoop single node into pseudo-distributed mode. Let's start Hadoop related services. First, we need to format namenode.
 
 {{{
@@ -181 +186 @@
 }}}
 
- 執行畫面如：
+ 執行畫面如： [[BR]] You should see results like this:
 
 {{{
@@ -203 +208 @@
 }}}
 
-== step 7. 啟動Hadoop ==
-
- * 接著用 start-all.sh 來啟動所有服務，包含 namenode, datanode,
+== Step 7: 啟動 Hadoop ==
+== Step 7: Start Hadoop ==
+
+ * 接著用 start-all.sh 來啟動所有服務，包含 namenode, secondary namenode, datanode, jobtracker 及 tasktracker.. [[BR]] After formating namenode, now you can use '''start-all.sh''' to start all services, including namenode, secondary namenode, datanode, jobtracker, and tasktracker.
 
 {{{
@@ -211 +217 @@
 }}}
 
- 執行畫面如：
+ 執行畫面如： [[BR]] You should see results like this:
 
 {{{
@@ -221 +227 @@
 }}}
 
-== step 8. 完成！檢查運作狀態 ==
-
- * 啟動之後，可以檢查以下網址，來觀看服務是否正常。[http://localhost:50030/ Hadoop 管理介面] [http://localhost:50060/  Hadoop Task Tracker 狀態] [http://localhost:50070/ Hadoop DFS 狀態]
- 
-   * http://localhost:50030/ - Hadoop 管理介面
+== Step 8: 完成！檢查 Hadoop 運作狀態 ==
+== Step 8: Complete!! Let's check the status of Hadoop ==
+
+ * 啟動之後，可以檢查以下網址，來觀看服務是否正常。[http://localhost:50030/ Hadoop 管理介面] [http://localhost:50060/  Hadoop Task Tracker 狀態] [http://localhost:50070/ Hadoop DFS 狀態] [[BR]] After running start-all.sh, you could check following URLs to check if the services are working or not. [http://localhost:50030/ Hadoop JobTracker Web Interface] [http://localhost:50060/  Hadoop TaskTracker Web Interface] [http://localhost:50070/ Hadoop NameNode Web Interface]
+ 
+   * http://localhost:50030/ - Hadoop 管理介面 - Hadoop JobTracker Web Interface
 
 ------
-   * http://localhost:50060/ - Hadoop Task Tracker 狀態
+
+   * http://localhost:50060/ - Hadoop Task Tracker 狀態 - Hadoop TaskTracker Web Interface
 
 ------
-   * http://localhost:50070/ - Hadoop DFS 狀態
-
+
+   * http://localhost:50070/ - Hadoop DFS 狀態 - Hadoop NameNode Web Interface
+
+== DEBUG: 使用 jps 檢查 java 程序 ==
+== DEBUG: Use jps to check running java process ==
+
+ * 有些時候您需要使用 '''jps''' 指令來檢查目前系統裡面存在哪些 java 程序[[BR]]Sometimes it's useful to use '''jps''' command to check running java process.
+{{{
+/opt/hadoop$ jps
+}}}