Changes between Version 6 and Version 7 of Streaming

Timestamp:

Sep 13, 2009, 4:03:43 PM (15 years ago)

Author:

waue

Comment:

--

Streaming

@@ -10 +10 @@
  * 最簡單的透過shell執行stream的map reduce:
 {{{
-$ bin/hadoop jar hadoop-0.18.3-streaming.jar -input lab3_input \
--output stream-out1 -mapper /bin/cat -reducer /usr/bin/wc
+
+$ bin/hadoop jar contrib/streaming/hadoop-0.18.3-streaming.jar \
+-input lab3_input -output stream-out1 -mapper /bin/cat -reducer /usr/bin/wc
+
 }}}
-   * 輸出的結果為： 
+
+ * 輸出的結果為： 
+
+{{{
+$ bin/hadoop fs -cat stream-out1/part-00000
+}}}
+
 ||     行    ||   字數    ||     字元數     ||
-|| 2910628 || 24507806 || 143451003||
-
+|| 1528 || 4612 || 48644 ||
+        
 
  = 用php實做mapReduce =