Some of the details that might reveal something more about the the problem
i posted
http://mail-archives.apache.org/mod_mbox/hadoop-core-user/200805.mbox/[EMAIL 
PROTECTED]

Hadoop Version Used
****************************************
0.15.3
0.16.3


My environment
**************
Ubuntu 7.10 JDK 6.0.


Setup
**************
2 cluster machine (one master and 2 slaves. master is itself a slave)


Application
**************
Sample wordcount example provided with hadoop distributions


Problem
**************
Tried on both versions. In 0.16.3 the reduce task ends after failures
(mapred.JobClient: Task Id : XTZ , Status : FAILED
Too many fetch-failures). but in 0.15.3 entire thing just stalls

(Dataset size is <10 MB )

(All the logs and outputs are for version 0.15.3)


Console output for 0.15.3
-----------------------
08/05/09 11:12:22 INFO mapred.FileInputFormat: Total input paths to
process : 7
08/05/09 11:12:22 INFO mapred.JobClient: Running job: job_200805091110_0001
08/05/09 11:12:23 INFO mapred.JobClient:  map 0% reduce 0%
08/05/09 11:12:31 INFO mapred.JobClient:  map 14% reduce 0%
08/05/09 11:12:32 INFO mapred.JobClient:  map 42% reduce 0%
08/05/09 11:12:33 INFO mapred.JobClient:  map 57% reduce 0%
08/05/09 11:12:34 INFO mapred.JobClient:  map 71% reduce 0%
08/05/09 11:12:35 INFO mapred.JobClient:  map 100% reduce 0%
08/05/09 11:12:43 INFO mapred.JobClient:  map 100% reduce 9%
08/05/09 11:12:53 INFO mapred.JobClient:  map 100% reduce 14%

AND ENTIRE THING HANGS ....


Steps followed for Setup
-------------------------
1) Modified conf/haddop-env.sh (Java home)
2) Modified conf/master added hostname of master server (in my case
master)--- ONLY ON MASTER
3) Modified conf/slave added hostname of slave (in my case master and
slave)--- ONLY ON MASTER
4) Enables password free ssh from master to slave, master to master ,
slave to slave, and slave to master
5) Modified hadoop-site.xml (Both Master and Slave)
<property>
   <name>fs.default.name</name>
   <value>hdfs://master:54310</value>
</property>
 <property>
   <name>mapred.job.tracker</name>
   <value>master:54311</value>
 </property>
<property>
   <name>dfs.replication</name>
   <value>2</value>
</property>

<property>
<name>mapred.reduce.copy.backoff</name>  (ADDED THIS PROPERTY AS ONE OF
THE POST SUGGESTED THIS AS SOLUTION)
<value>5</value>
</property>

6) hadoop namenode -format --- ONLY ON MASTER
7) start-dfs.sh --- ONLY ON MASTER
8) start-mapred.sh --- ONLY ON MASTER
9)./hadoop dfs -copyFromLocal ../../data/ d1 (d1 - folder containing some
text files) --- ONLY ON MASTER
10)./hadoop jar hadoop-0.15.3-examples.jar wordcount d1 d1_op (map reduce
task) --- ONLY ON MASTER


MASTER LOGS

*****************************************************************
                hadoop-hadoop-tasktracker-master.log
*****************************************************************
2008-05-09 11:10:15,582 INFO org.mortbay.util.Credential: Checking
Resource aliases
2008-05-09 11:10:15,637 INFO org.mortbay.http.HttpServer: Version Jetty/5.1.4
2008-05-09 11:10:15,638 INFO org.mortbay.util.Container: Started
HttpContext[/static,/static]
2008-05-09 11:10:15,638 INFO org.mortbay.util.Container: Started
HttpContext[/logs,/logs]
2008-05-09 11:10:16,000 INFO org.mortbay.util.Container: Started
[EMAIL PROTECTED]
2008-05-09 11:10:16,033 INFO org.mortbay.util.Container: Started
WebApplicationContext[/,/]
2008-05-09 11:10:16,037 INFO org.mortbay.http.SocketListener: Started
SocketListener on 0.0.0.0:50060
2008-05-09 11:10:16,037 INFO org.mortbay.util.Container: Started
[EMAIL PROTECTED]
2008-05-09 11:10:16,045 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
Initializing JVM Metrics with processName=TaskTracker, sessionId=
2008-05-09 11:10:16,059 INFO org.apache.hadoop.ipc.Server: IPC Server
listener on 59074: starting
2008-05-09 11:10:16,059 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 0 on 59074: starting
2008-05-09 11:10:16,059 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 1 on 59074: starting
2008-05-09 11:10:16,059 INFO org.apache.hadoop.mapred.TaskTracker:
TaskTracker up at: /127.0.0.1:59074
2008-05-09 11:10:16,059 INFO org.apache.hadoop.mapred.TaskTracker:
Starting tracker tracker_cse-desktop:/127.0.0.1:59074
2008-05-09 11:10:16,100 INFO org.apache.hadoop.mapred.TaskTracker:
Starting thread: Map-events fetcher for all reduce tasks on
tracker_cse-desktop:/127.0.0.1:59074
2008-05-09 11:12:26,313 INFO org.apache.hadoop.mapred.TaskTracker:
LaunchTaskAction: task_200805091110_0001_m_000000_0
2008-05-09 11:12:26,764 INFO org.apache.hadoop.mapred.TaskTracker:
LaunchTaskAction: task_200805091110_0001_m_000002_0
2008-05-09 11:12:31,971 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_m_000002_0 1.0%
hdfs://master:54310/user/hadoop/suvidya/8ldvc10.txt:0+1427769
2008-05-09 11:12:31,975 INFO org.apache.hadoop.mapred.TaskTracker: Task
task_200805091110_0001_m_000002_0 is done.
2008-05-09 11:12:32,032 INFO org.apache.hadoop.mapred.TaskTracker:
LaunchTaskAction: task_200805091110_0001_m_000005_0
2008-05-09 11:12:32,857 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_m_000000_0 1.0%
hdfs://master:54310/user/hadoop/suvidya/19699.txt:0+1945731
2008-05-09 11:12:32,857 INFO org.apache.hadoop.mapred.TaskTracker: Task
task_200805091110_0001_m_000000_0 is done.
2008-05-09 11:12:32,938 INFO org.apache.hadoop.mapred.TaskTracker:
LaunchTaskAction: task_200805091110_0001_r_000000_0
2008-05-09 11:12:34,401 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_m_000005_0 1.0%
hdfs://master:54310/user/hadoop/suvidya/dvldc10.txt:0+385962
2008-05-09 11:12:34,403 INFO org.apache.hadoop.mapred.TaskTracker: Task
task_200805091110_0001_m_000005_0 is done.
2008-05-09 11:12:40,065 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.095238104% reduce > copy (2 of 7 at
0.80 MB/s) >
2008-05-09 11:12:46,067 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:12:52,069 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:12:58,071 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:13:01,079 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:13:07,081 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:13:13,083 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:13:16,084 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:13:22,086 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:13:28,088 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:13:31,089 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:13:37,091 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:13:43,094 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:13:49,096 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:13:52,098 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:13:58,100 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:14:04,102 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:14:07,104 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:14:13,106 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
2008-05-09 11:14:19,108 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_r_000000_0 0.14285716% reduce > copy (3 of 7 at
0.24 MB/s) >
.
.
.
.
GOES ON AND ON AND ON same message...


*****************************************************************
                hadoop-hadoop-jobtracker-master.log
*****************************************************************

2008-05-09 11:10:14,341 INFO org.apache.hadoop.mapred.JobTracker:
STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting JobTracker
STARTUP_MSG:   host = cse-desktop/127.0.1.1
STARTUP_MSG:   args = []
************************************************************/
2008-05-09 11:10:14,434 INFO org.apache.hadoop.ipc.Server: IPC Server
listener on 54311: starting
2008-05-09 11:10:14,434 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 0 on 54311: starting
2008-05-09 11:10:14,434 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 1 on 54311: starting
2008-05-09 11:10:14,434 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 2 on 54311: starting
2008-05-09 11:10:14,435 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 3 on 54311: starting
2008-05-09 11:10:14,435 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 4 on 54311: starting
2008-05-09 11:10:14,435 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 5 on 54311: starting
2008-05-09 11:10:14,435 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 6 on 54311: starting
2008-05-09 11:10:14,435 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 7 on 54311: starting
2008-05-09 11:10:14,435 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 8 on 54311: starting
2008-05-09 11:10:14,451 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 9 on 54311: starting
2008-05-09 11:10:14,489 INFO org.mortbay.util.Credential: Checking
Resource aliases
2008-05-09 11:10:14,522 INFO org.mortbay.http.HttpServer: Version Jetty/5.1.4
2008-05-09 11:10:14,523 INFO org.mortbay.util.Container: Started
HttpContext[/static,/static]
2008-05-09 11:10:14,523 INFO org.mortbay.util.Container: Started
HttpContext[/logs,/logs]
2008-05-09 11:10:14,887 INFO org.mortbay.util.Container: Started
[EMAIL PROTECTED]
2008-05-09 11:10:14,931 INFO org.mortbay.util.Container: Started
WebApplicationContext[/,/]
2008-05-09 11:10:14,933 INFO org.mortbay.http.SocketListener: Started
SocketListener on 0.0.0.0:50030
2008-05-09 11:10:14,934 INFO org.mortbay.util.Container: Started
[EMAIL PROTECTED]
2008-05-09 11:10:14,936 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
Initializing JVM Metrics with processName=JobTracker, sessionId=
2008-05-09 11:10:14,943 INFO org.apache.hadoop.mapred.JobTracker:
JobTracker up at: 54311
2008-05-09 11:10:14,944 INFO org.apache.hadoop.mapred.JobTracker:
JobTracker webserver: 50030
2008-05-09 11:10:15,053 INFO org.apache.hadoop.mapred.JobTracker: Starting
RUNNING
2008-05-09 11:12:26,256 INFO org.apache.hadoop.mapred.JobInProgress:
Choosing cached task tip_200805091110_0001_m_000000
2008-05-09 11:12:26,274 INFO org.apache.hadoop.mapred.JobTracker: Adding
task 'task_200805091110_0001_m_000000_0' to tip
tip_200805091110_0001_m_000000, for tracker
'tracker_cse-desktop:/127.0.0.1:59074'
2008-05-09 11:12:26,471 INFO org.apache.hadoop.mapred.JobInProgress:
Choosing cached task tip_200805091110_0001_m_000001
2008-05-09 11:12:26,472 INFO org.apache.hadoop.mapred.JobTracker: Adding
task 'task_200805091110_0001_m_000001_0' to tip
tip_200805091110_0001_m_000001, for tracker
'tracker_mtech-desktop:/127.0.0.1:36527'
2008-05-09 11:12:26,744 INFO org.apache.hadoop.mapred.JobInProgress:
Choosing cached task tip_200805091110_0001_m_000002
2008-05-09 11:12:26,744 INFO org.apache.hadoop.mapred.JobTracker: Adding
task 'task_200805091110_0001_m_000002_0' to tip
tip_200805091110_0001_m_000002, for tracker
'tracker_cse-desktop:/127.0.0.1:59074'
2008-05-09 11:12:27,101 INFO org.apache.hadoop.mapred.JobInProgress:
Choosing cached task tip_200805091110_0001_m_000003
2008-05-09 11:12:27,101 INFO org.apache.hadoop.mapred.JobTracker: Adding
task 'task_200805091110_0001_m_000003_0' to tip
tip_200805091110_0001_m_000003, for tracker
'tracker_mtech-desktop:/127.0.0.1:36527'
2008-05-09 11:12:31,253 INFO org.apache.hadoop.mapred.JobInProgress:
Choosing cached task tip_200805091110_0001_m_000004
2008-05-09 11:12:31,253 INFO org.apache.hadoop.mapred.JobTracker: Adding
task 'task_200805091110_0001_m_000004_0' to tip
tip_200805091110_0001_m_000004, for tracker
'tracker_mtech-desktop:/127.0.0.1:36527'
2008-05-09 11:12:31,352 INFO org.apache.hadoop.mapred.JobInProgress: Task
'task_200805091110_0001_m_000003_0' has completed
tip_200805091110_0001_m_000003 successfully.
2008-05-09 11:12:32,030 INFO org.apache.hadoop.mapred.JobInProgress:
Choosing cached task tip_200805091110_0001_m_000005
2008-05-09 11:12:32,030 INFO org.apache.hadoop.mapred.JobTracker: Adding
task 'task_200805091110_0001_m_000005_0' to tip
tip_200805091110_0001_m_000005, for tracker
'tracker_cse-desktop:/127.0.0.1:59074'
2008-05-09 11:12:32,031 INFO org.apache.hadoop.mapred.JobInProgress: Task
'task_200805091110_0001_m_000002_0' has completed
tip_200805091110_0001_m_000002 successfully.
2008-05-09 11:12:32,098 INFO org.apache.hadoop.mapred.JobInProgress:
Choosing cached task tip_200805091110_0001_m_000006
2008-05-09 11:12:32,099 INFO org.apache.hadoop.mapred.JobTracker: Adding
task 'task_200805091110_0001_m_000006_0' to tip
tip_200805091110_0001_m_000006, for tracker
'tracker_mtech-desktop:/127.0.0.1:36527'
2008-05-09 11:12:32,099 INFO org.apache.hadoop.mapred.JobInProgress: Task
'task_200805091110_0001_m_000001_0' has completed
tip_200805091110_0001_m_000001 successfully.
2008-05-09 11:12:32,930 INFO org.apache.hadoop.mapred.JobInProgress:
Choosing normal task tip_200805091110_0001_r_000000
2008-05-09 11:12:32,933 INFO org.apache.hadoop.mapred.JobTracker: Adding
task 'task_200805091110_0001_r_000000_0' to tip
tip_200805091110_0001_r_000000, for tracker
'tracker_cse-desktop:/127.0.0.1:59074'
2008-05-09 11:12:32,935 INFO org.apache.hadoop.mapred.JobInProgress: Task
'task_200805091110_0001_m_000000_0' has completed
tip_200805091110_0001_m_000000 successfully.
2008-05-09 11:12:34,530 INFO org.apache.hadoop.mapred.JobInProgress: Task
'task_200805091110_0001_m_000005_0' has completed
tip_200805091110_0001_m_000005 successfully.
2008-05-09 11:12:35,452 INFO org.apache.hadoop.mapred.JobInProgress: Task
'task_200805091110_0001_m_000004_0' has completed
tip_200805091110_0001_m_000004 successfully.
2008-05-09 11:12:35,453 INFO org.apache.hadoop.mapred.JobInProgress: Task
'task_200805091110_0001_m_000006_0' has completed
tip_200805091110_0001_m_000006 successfully.
2008-05-09 11:20:14,597 INFO org.apache.hadoop.mapred.JobInProgress:
Failed fetch notification #1 for task task_200805091110_0001_m_000001_0
2008-05-09 11:23:35,452 INFO org.apache.hadoop.conf.Configuration: found
resource webapps/static/jobconf.xsl at
file:/home/hadoop/HADOOP/hadoop-0.15.3/webapps/static/jobconf.xsl
2008-05-09 11:32:13,314 INFO org.apache.hadoop.mapred.JobInProgress:
Failed fetch notification #1 for task task_200805091110_0001_m_000006_0
2008-05-09 11:33:23,329 INFO org.apache.hadoop.mapred.JobInProgress:
Failed fetch notification #1 for task task_200805091110_0001_m_000004_0
2008-05-09 11:38:53,398 INFO org.apache.hadoop.mapred.JobInProgress:
Failed fetch notification #1 for task task_200805091110_0001_m_000003_0
2008-05-09 11:49:33,527 INFO org.apache.hadoop.mapred.JobInProgress:
Failed fetch notification #2 for task task_200805091110_0001_m_000001_0
2008-05-09 11:51:43,554 INFO org.apache.hadoop.mapred.JobInProgress:
Failed fetch notification #2 for task task_200805091110_0001_m_000006_0
2008-05-09 11:53:53,579 INFO org.apache.hadoop.mapred.JobInProgress:
Failed fetch notification #2 for task task_200805091110_0001_m_000004_0



*****************************************************************
                hadoop-hadoop-datanode-master.log
*****************************************************************
2008-05-09 11:10:09,361 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
Initializing JVM Metrics with processName=DataNode, sessionId=null
2008-05-09 11:10:10,972 INFO org.apache.hadoop.dfs.Storage: Storage
directory /home/hadoop/tmp1/hadoop-cse/dfs/data is not formatted.
2008-05-09 11:10:10,972 INFO org.apache.hadoop.dfs.Storage: Formatting ...
2008-05-09 11:10:11,022 INFO org.apache.hadoop.dfs.DataNode: Opened server
at 50010
2008-05-09 11:10:11,091 INFO org.mortbay.util.Credential: Checking
Resource aliases
2008-05-09 11:10:11,127 INFO org.mortbay.http.HttpServer: Version Jetty/5.1.4
2008-05-09 11:10:11,128 INFO org.mortbay.util.Container: Started
HttpContext[/static,/static]
2008-05-09 11:10:11,128 INFO org.mortbay.util.Container: Started
HttpContext[/logs,/logs]
2008-05-09 11:10:11,491 INFO org.mortbay.util.Container: Started
[EMAIL PROTECTED]
2008-05-09 11:10:11,531 INFO org.mortbay.util.Container: Started
WebApplicationContext[/,/]
2008-05-09 11:10:11,549 INFO org.mortbay.http.SocketListener: Started
SocketListener on 0.0.0.0:50075
2008-05-09 11:10:11,550 INFO org.mortbay.util.Container: Started
[EMAIL PROTECTED]
2008-05-09 11:10:15,653 INFO org.apache.hadoop.dfs.DataNode: New storage
id DS-91763126-127.0.1.1-50010-1210311615634 is assigned to data-node
10.105.41.101:50010
2008-05-09 11:10:15,653 INFO org.apache.hadoop.dfs.DataNode: In
DataNode.run, data =
FSDataset{dirpath='/home/hadoop/tmp1/hadoop-cse/dfs/data/current'}
2008-05-09 11:10:15,653 INFO org.apache.hadoop.dfs.DataNode: using
BLOCKREPORT_INTERVAL of 3284786msec
2008-05-09 11:10:45,396 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_-3015722797502311964 from /10.105.41.101
2008-05-09 11:10:45,685 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_-1049683426562175211 from /10.105.41.101
2008-05-09 11:10:45,826 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_8092696251576742269 from /10.105.41.101
2008-05-09 11:10:45,906 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_-8254569623864016135 from /10.105.41.101
2008-05-09 11:10:46,038 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_358867731888329836 from /10.105.41.101
2008-05-09 11:10:46,342 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_3681060079121545753 from /10.105.41.101
2008-05-09 11:10:46,457 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_-3622716618848320575 from /10.105.41.101
2008-05-09 11:12:22,110 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_4971396424299898755 from /10.105.41.101
2008-05-09 11:12:22,208 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_4546830771263681687 from /10.105.41.101
2008-05-09 11:12:22,364 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_2087945424235891541 from /10.105.41.101
2008-05-09 11:12:22,430 INFO org.apache.hadoop.dfs.DataNode: Served block
blk_2087945424235891541 to /10.105.41.101
2008-05-09 11:12:22,508 INFO org.apache.hadoop.dfs.DataNode: Served block
blk_4971396424299898755 to /10.105.41.101
2008-05-09 11:12:22,606 INFO org.apache.hadoop.dfs.DataNode: Served block
blk_4546830771263681687 to /10.105.41.101
2008-05-09 11:12:26,467 INFO org.apache.hadoop.dfs.DataNode: Served block
blk_2087945424235891541 to /10.105.41.101
2008-05-09 11:12:26,540 INFO org.apache.hadoop.dfs.DataNode: Served block
blk_4971396424299898755 to /10.105.41.101
2008-05-09 11:12:28,817 INFO org.apache.hadoop.dfs.DataNode: Served block
blk_-1049683426562175211 to /10.105.41.101
2008-05-09 11:12:29,143 INFO org.apache.hadoop.dfs.DataNode: Served block
blk_3681060079121545753 to /10.105.41.101
2008-05-09 11:12:33,293 INFO org.apache.hadoop.dfs.DataNode: Served block
blk_-3622716618848320575 to /10.105.41.101



*****************************************************************
                hadoop-hadoop-namenode-master.log
*****************************************************************
/************************************************************
STARTUP_MSG: Starting NameNode
STARTUP_MSG:   host = cse-desktop/127.0.1.1
STARTUP_MSG:   args = []
************************************************************/
2008-05-09 11:10:09,340 INFO org.apache.hadoop.dfs.NameNode: Namenode up
at: master/10.105.41.101:54310
2008-05-09 11:10:09,351 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
Initializing JVM Metrics with processName=NameNode, sessionId=null
2008-05-09 11:10:09,844 INFO org.apache.hadoop.dfs.StateChange: STATE*
Network topology has 0 racks and 0 datanodes
2008-05-09 11:10:09,844 INFO org.apache.hadoop.dfs.StateChange: STATE*
UnderReplicatedBlocks has 0 blocks
2008-05-09 11:10:10,096 INFO org.mortbay.util.Credential: Checking
Resource aliases
2008-05-09 11:10:10,152 INFO org.mortbay.http.HttpServer: Version Jetty/5.1.4
2008-05-09 11:10:10,158 INFO org.mortbay.util.Container: Started
HttpContext[/static,/static]
2008-05-09 11:10:10,158 INFO org.mortbay.util.Container: Started
HttpContext[/logs,/logs]
2008-05-09 11:10:10,670 INFO org.mortbay.util.Container: Started
[EMAIL PROTECTED]
2008-05-09 11:10:10,733 INFO org.mortbay.util.Container: Started
WebApplicationContext[/,/]
2008-05-09 11:10:10,735 INFO org.mortbay.http.SocketListener: Started
SocketListener on 0.0.0.0:50070
2008-05-09 11:10:10,735 INFO org.mortbay.util.Container: Started
[EMAIL PROTECTED]
2008-05-09 11:10:10,735 INFO org.apache.hadoop.fs.FSNamesystem: Web-server
up at: 50070
2008-05-09 11:10:10,736 INFO org.apache.hadoop.ipc.Server: IPC Server
listener on 54310: starting
2008-05-09 11:10:10,743 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 1 on 54310: starting
2008-05-09 11:10:10,743 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 2 on 54310: starting
2008-05-09 11:10:10,743 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 3 on 54310: starting
2008-05-09 11:10:10,743 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 4 on 54310: starting
2008-05-09 11:10:10,747 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 5 on 54310: starting
2008-05-09 11:10:10,747 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 6 on 54310: starting
2008-05-09 11:10:10,747 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 7 on 54310: starting
2008-05-09 11:10:10,747 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 8 on 54310: starting
2008-05-09 11:10:10,748 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 9 on 54310: starting
2008-05-09 11:10:10,748 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 0 on 54310: starting
2008-05-09 11:10:13,185 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.registerDatanode: node registration from 10.105.41.98:50010
storage DS-2127148821-127.0.1.1-50010-1210275412696
2008-05-09 11:10:13,189 INFO org.apache.hadoop.net.NetworkTopology: Adding
a new node: /default-rack/10.105.41.98:50010
2008-05-09 11:10:15,032 WARN org.apache.hadoop.dfs.StateChange: DIR*
FSDirectory.unprotectedDelete: failed to remove
/home/hadoop/tmp1/hadoop-cse/mapred/system because it does not exist
2008-05-09 11:10:15,635 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.registerDatanode: node registration from 10.105.41.101:50010
storage DS-91763126-127.0.1.1-50010-1210311615634
2008-05-09 11:10:15,635 INFO org.apache.hadoop.net.NetworkTopology: Adding
a new node: /default-rack/10.105.41.101:50010
2008-05-09 11:10:45,054 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.allocateBlock: /user/hadoop/suvidya/ulyss12.txt.
blk_-3015722797502311964
2008-05-09 11:10:45,363 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.101:50010 is added
to blk_-3015722797502311964
2008-05-09 11:10:45,395 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.98:50010 is added
to blk_-3015722797502311964
2008-05-09 11:10:45,556 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.allocateBlock: /user/hadoop/suvidya/8ldvc10.txt.
blk_-1049683426562175211
2008-05-09 11:10:45,640 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.101:50010 is added
to blk_-1049683426562175211
2008-05-09 11:10:45,685 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.98:50010 is added
to blk_-1049683426562175211
2008-05-09 11:10:45,770 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.allocateBlock: /user/hadoop/suvidya/advsh12.txt.
blk_8092696251576742269
2008-05-09 11:10:45,811 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.101:50010 is added
to blk_8092696251576742269
2008-05-09 11:10:45,827 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.98:50010 is added
to blk_8092696251576742269
2008-05-09 11:10:45,871 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.allocateBlock: /user/hadoop/suvidya/132.txt.
blk_-8254569623864016135
2008-05-09 11:10:45,895 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.101:50010 is added
to blk_-8254569623864016135
2008-05-09 11:10:45,906 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.98:50010 is added
to blk_-8254569623864016135
2008-05-09 11:10:45,970 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.allocateBlock: /user/hadoop/suvidya/20417.txt.
blk_358867731888329836
2008-05-09 11:10:46,022 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.101:50010 is added
to blk_358867731888329836
2008-05-09 11:10:46,038 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.98:50010 is added
to blk_358867731888329836
2008-05-09 11:10:46,128 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.allocateBlock: /user/hadoop/suvidya/19699.txt.
blk_3681060079121545753
2008-05-09 11:10:46,311 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.101:50010 is added
to blk_3681060079121545753
2008-05-09 11:10:46,343 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.98:50010 is added
to blk_3681060079121545753
2008-05-09 11:10:46,401 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.allocateBlock: /user/hadoop/suvidya/dvldc10.txt.
blk_-3622716618848320575
2008-05-09 11:10:46,445 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.101:50010 is added
to blk_-3622716618848320575
2008-05-09 11:10:46,457 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.98:50010 is added
to blk_-3622716618848320575
2008-05-09 11:12:22,041 WARN org.apache.hadoop.dfs.StateChange: DIR*
FSDirectory.unprotectedDelete: failed to remove
/home/hadoop/tmp1/hadoop-cse/mapred/system/job_200805091110_0001 because
it does not exist
2008-05-09 11:12:22,041 INFO org.apache.hadoop.fs.FSNamesystem: Number of
transactions: 30 Total time for transactions(ms): 1 Number of syncs: 17
SyncTimes(ms): 109
2008-05-09 11:12:22,086 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.allocateBlock:
/home/hadoop/tmp1/hadoop-cse/mapred/system/job_200805091110_0001/job.jar.
blk_4971396424299898755
2008-05-09 11:12:22,115 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.101:50010 is added
to blk_4971396424299898755
2008-05-09 11:12:22,116 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.98:50010 is added
to blk_4971396424299898755
2008-05-09 11:12:22,122 INFO org.apache.hadoop.fs.FSNamesystem: Increasing
replication for file
/home/hadoop/tmp1/hadoop-cse/mapred/system/job_200805091110_0001/job.jar.
New replication is 10
2008-05-09 11:12:22,202 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.allocateBlock:
/home/hadoop/tmp1/hadoop-cse/mapred/system/job_200805091110_0001/job.split.
blk_4546830771263681687
2008-05-09 11:12:22,207 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.101:50010 is added
to blk_4546830771263681687
2008-05-09 11:12:22,208 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.98:50010 is added
to blk_4546830771263681687
2008-05-09 11:12:22,358 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.allocateBlock:
/home/hadoop/tmp1/hadoop-cse/mapred/system/job_200805091110_0001/job.xml.
blk_2087945424235891541
2008-05-09 11:12:22,363 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.101:50010 is added
to blk_2087945424235891541
2008-05-09 11:12:22,364 INFO org.apache.hadoop.dfs.StateChange: BLOCK*
NameSystem.addStoredBlock: blockMap updated: 10.105.41.98:50010 is added
to blk_2087945424235891541
2008-05-09 11:15:11,668 INFO org.apache.hadoop.fs.FSNamesystem: Roll Edit
Log from 10.105.41.101
2008-05-09 11:15:11,668 INFO org.apache.hadoop.fs.FSNamesystem: Number of
transactions: 41 Total time for transactions(ms): 1 Number of syncs: 24
SyncTimes(ms): 130
2008-05-09 11:20:12,032 INFO org.apache.hadoop.fs.FSNamesystem: Roll Edit
Log from 10.105.41.101
2008-05-09 11:25:12,328 INFO org.apache.hadoop.fs.FSNamesystem: Roll Edit
Log from 10.105.41.101
2008-05-09 11:30:12,334 INFO org.apache.hadoop.fs.FSNamesystem: Roll Edit
Log from 10.105.41.101
2008-05-09 11:35:12,341 INFO org.apache.hadoop.fs.FSNamesystem: Roll Edit
Log from 10.105.41.101
2008-05-09 11:40:12,348 INFO org.apache.hadoop.fs.FSNamesystem: Roll Edit
Log from 10.105.41.101
2008-05-09 11:45:12,354 INFO org.apache.hadoop.fs.FSNamesystem: Roll Edit
Log from 10.105.41.101
2008-05-09 11:50:12,362 INFO org.apache.hadoop.fs.FSNamesystem: Roll Edit
Log from 10.105.41.101
2008-05-09 11:55:12,369 INFO org.apache.hadoop.fs.FSNamesystem: Roll Edit
Log from 10.105.41.101




SLAVE LOGS

*****************************************************************
                hadoop-hadoop-tasktracker-slave.log
*****************************************************************
/************************************************************
STARTUP_MSG: Starting TaskTracker
STARTUP_MSG:   host = mtech-desktop/127.0.1.1
STARTUP_MSG:   args = []
************************************************************/
2008-05-09 01:06:55,228 INFO org.mortbay.util.Credential: Checking
Resource aliases
2008-05-09 01:06:55,291 INFO org.mortbay.http.HttpServer: Version Jetty/5.1.4
2008-05-09 01:06:55,292 INFO org.mortbay.util.Container: Started
HttpContext[/static,/static]
2008-05-09 01:06:55,292 INFO org.mortbay.util.Container: Started
HttpContext[/logs,/logs]
2008-05-09 01:06:55,648 INFO org.mortbay.util.Container: Started
[EMAIL PROTECTED]
2008-05-09 01:06:55,691 INFO org.mortbay.util.Container: Started
WebApplicationContext[/,/]
2008-05-09 01:06:55,694 INFO org.mortbay.http.SocketListener: Started
SocketListener on 0.0.0.0:50060
2008-05-09 01:06:55,694 INFO org.mortbay.util.Container: Started
[EMAIL PROTECTED]
2008-05-09 01:06:55,704 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
Initializing JVM Metrics with processName=TaskTracker, sessionId=
2008-05-09 01:06:55,758 INFO org.apache.hadoop.ipc.Server: IPC Server
listener on 36527: starting
2008-05-09 01:06:55,758 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 0 on 36527: starting
2008-05-09 01:06:55,759 INFO org.apache.hadoop.mapred.TaskTracker:
TaskTracker up at: /127.0.0.1:36527
2008-05-09 01:06:55,759 INFO org.apache.hadoop.mapred.TaskTracker:
Starting tracker tracker_mtech-desktop:/127.0.0.1:36527
2008-05-09 01:06:55,761 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 1 on 36527: starting
2008-05-09 01:06:55,806 INFO org.apache.hadoop.mapred.TaskTracker:
Starting thread: Map-events fetcher for all reduce tasks on
tracker_mtech-desktop:/127.0.0.1:36527
2008-05-09 01:09:06,030 INFO org.apache.hadoop.mapred.TaskTracker:
LaunchTaskAction: task_200805091110_0001_m_000001_0
2008-05-09 01:09:06,629 INFO org.apache.hadoop.mapred.TaskTracker:
LaunchTaskAction: task_200805091110_0001_m_000003_0
2008-05-09 01:09:10,711 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_m_000003_0 1.0%
hdfs://master:54310/user/hadoop/suvidya/20417.txt:0+674762
2008-05-09 01:09:10,712 INFO org.apache.hadoop.mapred.TaskTracker: Task
task_200805091110_0001_m_000003_0 is done.
2008-05-09 01:09:10,793 INFO org.apache.hadoop.mapred.TaskTracker:
LaunchTaskAction: task_200805091110_0001_m_000004_0
2008-05-09 01:09:11,595 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_m_000001_0 1.0%
hdfs://master:54310/user/hadoop/suvidya/ulyss12.txt:0+1561677
2008-05-09 01:09:11,596 INFO org.apache.hadoop.mapred.TaskTracker: Task
task_200805091110_0001_m_000001_0 is done.
2008-05-09 01:09:11,616 INFO org.apache.hadoop.mapred.TaskTracker:
LaunchTaskAction: task_200805091110_0001_m_000006_0
2008-05-09 01:09:14,839 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_m_000004_0 1.0%
hdfs://master:54310/user/hadoop/suvidya/advsh12.txt:0+590093
2008-05-09 01:09:14,841 INFO org.apache.hadoop.mapred.TaskTracker: Task
task_200805091110_0001_m_000004_0 is done.
2008-05-09 01:09:14,875 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_m_000004_0 1.0%
hdfs://master:54310/user/hadoop/suvidya/advsh12.txt:0+590093
2008-05-09 01:09:14,876 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_m_000004_0 Ignoring status-update since task is
'done'
2008-05-09 01:09:14,943 INFO org.apache.hadoop.mapred.TaskTracker:
task_200805091110_0001_m_000006_0 1.0%
hdfs://master:54310/user/hadoop/suvidya/132.txt:0+343694
2008-05-09 01:09:14,944 INFO org.apache.hadoop.mapred.TaskTracker: Task
task_200805091110_0001_m_000006_0 is done.

*****************************************************************
                hadoop-hadoop-datanode-slave.log
*****************************************************************
/************************************************************
STARTUP_MSG: Starting DataNode
STARTUP_MSG:   host = mtech-desktop/127.0.1.1
STARTUP_MSG:   args = []
************************************************************/
2008-05-09 01:06:50,795 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
Initializing JVM Metrics with processName=DataNode, sessionId=null
2008-05-09 01:06:51,284 INFO org.apache.hadoop.dfs.Storage: Storage
directory /home/hadoop/tmp1/hadoop-cse/dfs/data is not formatted.
2008-05-09 01:06:51,284 INFO org.apache.hadoop.dfs.Storage: Formatting ...
2008-05-09 01:06:51,373 INFO org.apache.hadoop.dfs.DataNode: Opened server
at 50010
2008-05-09 01:06:51,709 INFO org.mortbay.util.Credential: Checking
Resource aliases
2008-05-09 01:06:51,815 INFO org.mortbay.http.HttpServer: Version Jetty/5.1.4
2008-05-09 01:06:51,854 INFO org.mortbay.util.Container: Started
HttpContext[/static,/static]
2008-05-09 01:06:51,854 INFO org.mortbay.util.Container: Started
HttpContext[/logs,/logs]
2008-05-09 01:06:52,531 INFO org.mortbay.util.Container: Started
[EMAIL PROTECTED]
2008-05-09 01:06:52,644 INFO org.mortbay.util.Container: Started
WebApplicationContext[/,/]
2008-05-09 01:06:52,647 INFO org.mortbay.http.SocketListener: Started
SocketListener on 0.0.0.0:50075
2008-05-09 01:06:52,647 INFO org.mortbay.util.Container: Started
[EMAIL PROTECTED]
2008-05-09 01:06:52,708 INFO org.apache.hadoop.dfs.DataNode: New storage
id DS-2127148821-127.0.1.1-50010-1210275412696 is assigned to data-node
10.105.41.98:50010
2008-05-09 01:06:52,709 INFO org.apache.hadoop.dfs.DataNode: In
DataNode.run, data =
FSDataset{dirpath='/home/hadoop/tmp1/hadoop-cse/dfs/data/current'}
2008-05-09 01:06:52,709 INFO org.apache.hadoop.dfs.DataNode: using
BLOCKREPORT_INTERVAL of 3371740msec
2008-05-09 01:07:24,909 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_-3015722797502311964 from /10.105.41.101
2008-05-09 01:07:25,200 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_-1049683426562175211 from /10.105.41.101
2008-05-09 01:07:25,342 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_8092696251576742269 from /10.105.41.101
2008-05-09 01:07:25,421 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_-8254569623864016135 from /10.105.41.101
2008-05-09 01:07:25,553 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_358867731888329836 from /10.105.41.101
2008-05-09 01:07:25,858 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_3681060079121545753 from /10.105.41.101
2008-05-09 01:07:25,972 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_-3622716618848320575 from /10.105.41.101
2008-05-09 01:09:01,624 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_4971396424299898755 from /10.105.41.101
2008-05-09 01:09:01,723 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_4546830771263681687 from /10.105.41.101
2008-05-09 01:09:01,879 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_2087945424235891541 from /10.105.41.101
2008-05-09 01:09:06,150 INFO org.apache.hadoop.dfs.DataNode: Served block
blk_2087945424235891541 to /10.105.41.98
2008-05-09 01:09:06,248 INFO org.apache.hadoop.dfs.DataNode: Served block
blk_4971396424299898755 to /10.105.41.98
2008-05-09 01:09:08,190 INFO org.apache.hadoop.dfs.DataNode: Served block
blk_358867731888329836 to /10.105.41.98
2008-05-09 01:09:08,714 INFO org.apache.hadoop.dfs.DataNode: Served block
blk_-3015722797502311964 to /10.105.41.98
2008-05-09 01:09:12,573 INFO org.apache.hadoop.dfs.DataNode: Served block
blk_8092696251576742269 to /10.105.41.98
2008-05-09 01:09:12,986 INFO org.apache.hadoop.dfs.DataNode: Served block
blk_-8254569623864016135 to /10.105.41.98























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