Hi
I am running Hadoop cluster with 1 name node and 3 data nodes. My HDFS looks like this. hduser@nm:/usr/local/hadoop$ hadoop fs -ls /user/hduser/getty/gutenberg Warning: $HADOOP_HOME is deprecated. Found 7 items -rw-r--r-- 4 hduser supergroup 343691 2013-12-30 19:12 /user/hduser/getty/gutenberg/pg132.txt -rw-r--r-- 4 hduser supergroup 594933 2013-12-30 19:12 /user/hduser/getty/gutenberg/pg1661.txt -rw-r--r-- 4 hduser supergroup 1945886 2013-12-30 19:12 /user/hduser/getty/gutenberg/pg19699.txt -rw-r--r-- 4 hduser supergroup 674570 2013-12-30 19:12 /user/hduser/getty/gutenberg/pg20417.txt -rw-r--r-- 4 hduser supergroup 1573150 2013-12-30 19:12 /user/hduser/getty/gutenberg/pg4300.txt -rw-r--r-- 4 hduser supergroup 1423803 2013-12-30 19:12 /user/hduser/getty/gutenberg/pg5000.txt -rw-r--r-- 4 hduser supergroup 393968 2013-12-30 19:12 /user/hduser/getty/gutenberg/pg972.txt hduser@nm:/usr/local/hadoop$ When i start mapreduce wordcount program it gives 100% mapping and reduce is hangs at 14%. hduser@nm:~$ hadoop jar chiu-wordcount2.jar WordCount /user/hduser/getty/gutenberg /user/hduser/getty/gutenberg_out3 Warning: $HADOOP_HOME is deprecated. 13/12/31 09:31:07 WARN mapred.JobClient: Use GenericOptionsParser for parsing the arguments. Applications should implement Tool for the same. 13/12/31 09:31:07 INFO input.FileInputFormat: Total input paths to process : 7 13/12/31 09:31:08 INFO util.NativeCodeLoader: Loaded the native-hadoop library 13/12/31 09:31:08 WARN snappy.LoadSnappy: Snappy native library not loaded 13/12/31 09:31:08 INFO mapred.JobClient: Running job: job_201312310929_0001 13/12/31 09:31:09 INFO mapred.JobClient: map 0% reduce 0% 13/12/31 09:31:29 INFO mapred.JobClient: map 14% reduce 0% 13/12/31 09:31:34 INFO mapred.JobClient: map 32% reduce 0% 13/12/31 09:31:35 INFO mapred.JobClient: map 75% reduce 0% 13/12/31 09:31:36 INFO mapred.JobClient: map 90% reduce 0% 13/12/31 09:31:37 INFO mapred.JobClient: map 99% reduce 0% 13/12/31 09:31:38 INFO mapred.JobClient: map 100% reduce 0% 13/12/31 09:31:43 INFO mapred.JobClient: map 100% reduce 14% <HANGS HEAR> Could you please help me in resolving this issue. Thanks & Regards *Abdul Navaz*
