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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Trivial Update of "Matrix" by udanax
Date Tue, 29 Jan 2008 01:22:16 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The following page has been changed by udanax:
http://wiki.apache.org/hadoop/Matrix

New page:
{{{
bash-3.00# bin/hadoop jar ./build/contrib/hbase/hadoop-0.16.0-dev-hbase.jar org.apache.hadoop.hbase.matrix.ExampleDriver
multiply 4 4 2
Matrix Space initializing on Hbase.... Please wait.
Create 4 by 4 Random Matrix A
4.0     1.0     4.0     2.0
1.0     4.0     4.0     1.0
1.0     4.0     2.0     5.0
1.0     3.0     5.0     3.0

Matrix Space initializing on Hbase.... Please wait.
Create 4 by 4 Random Matrix B
1.0     5.0     4.0     2.0
1.0     3.0     1.0     4.0
4.0     2.0     4.0     2.0
3.0     2.0     5.0     3.0
Matrix Space initializing on Hbase.... Please wait.
A * B multiplication start.
08/01/29 10:16:51 INFO fs.DFSClient: Allocating new block
08/01/29 10:16:51 INFO fs.DFSClient: pipeline = 127.0.0.1:50010
08/01/29 10:16:51 INFO fs.DFSClient: Connecting to 127.0.0.1:50010
08/01/29 10:16:51 INFO fs.DFSClient: Closing old block blk_7909691455912549989
08/01/29 10:16:51 INFO fs.DFSClient: Allocating new block
08/01/29 10:16:51 INFO fs.DFSClient: pipeline = 127.0.0.1:50010
08/01/29 10:16:51 INFO fs.DFSClient: Connecting to 127.0.0.1:50010
08/01/29 10:16:51 INFO fs.DFSClient: Closing old block blk_1750225628545418760
08/01/29 10:16:51 INFO fs.DFSClient: Allocating new block
08/01/29 10:16:51 INFO fs.DFSClient: pipeline = 127.0.0.1:50010
08/01/29 10:16:51 INFO fs.DFSClient: Connecting to 127.0.0.1:50010
08/01/29 10:16:51 INFO fs.DFSClient: Closing old block blk_-5881704470236878285
08/01/29 10:16:51 INFO mapred.JobClient: Running job: job_200801291012_0003
08/01/29 10:16:52 INFO mapred.JobClient:  map 0% reduce 0%
08/01/29 10:17:01 INFO mapred.JobClient:  map 100% reduce 0%
08/01/29 10:17:06 INFO mapred.JobClient:  map 100% reduce 100%
08/01/29 10:17:07 INFO mapred.JobClient: Job complete: job_200801291012_0003
08/01/29 10:17:07 INFO mapred.JobClient: Counters: 11
08/01/29 10:17:07 INFO mapred.JobClient:   Job Counters
08/01/29 10:17:07 INFO mapred.JobClient:     Launched map tasks=1
08/01/29 10:17:07 INFO mapred.JobClient:     Launched reduce tasks=1
08/01/29 10:17:07 INFO mapred.JobClient:   Map-Reduce Framework
08/01/29 10:17:07 INFO mapred.JobClient:     Map input records=4
08/01/29 10:17:07 INFO mapred.JobClient:     Map output records=16
08/01/29 10:17:07 INFO mapred.JobClient:     Map input bytes=0
08/01/29 10:17:07 INFO mapred.JobClient:     Map output bytes=2416
08/01/29 10:17:07 INFO mapred.JobClient:     Combine input records=0
08/01/29 10:17:07 INFO mapred.JobClient:     Combine output records=0
08/01/29 10:17:07 INFO mapred.JobClient:     Reduce input groups=4
08/01/29 10:17:07 INFO mapred.JobClient:     Reduce input records=16
08/01/29 10:17:07 INFO mapred.JobClient:     Reduce output records=4
Computation Time : (16.67 sec)
Matrix C result.
27.0    35.0    43.0    26.0
24.0    27.0    29.0    29.0
28.0    31.0    41.0    37.0
33.0    30.0    42.0    33.0
08/01/29 10:17:17 INFO hbase.HBaseAdmin: table C deleted
08/01/29 10:17:27 INFO hbase.HBaseAdmin: table A deleted
08/01/29 10:17:38 INFO hbase.HBaseAdmin: table B deleted
}}}

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