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Hudson commented on HAMA-234:
-----------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12427447/HAMA-234.patch
against trunk revision 886077.
@author +1. The patch does not contain any @author tags.
tests included +1. The patch appears to include 3 new or modified tests.
javadoc +1. The javadoc tool did not generate any warning messages.
javac +1. The applied patch does not generate any new javac compiler warnings.
release audit +1. The applied patch does not generate any new release audit warnings.
findbugs +1. The patch does not introduce any new Findbugs warnings.
core tests +1. The patch passed core unit tests.
Test results: http://hudson.zones.apache.org/hudson/job/Hama-Patch/217/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hama-Patch/217/findbugsResult/
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hama-Patch/217/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hama-Patch/217/console
This message is automatically generated.
> Serialize Printing of HelloWorld using BSP
> ------------------------------------------
>
> Key: HAMA-234
> URL: https://issues.apache.org/jira/browse/HAMA-234
> Project: Hama
> Issue Type: Improvement
> Components: bsp, test
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.2.0
>
> Attachments: HAMA-234.patch
>
>
> This example shows synchronization.
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[ https://issues.apache.org/jira/browse/HAMA-176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Edward J. Yoon updated HAMA-176:
--------------------------------
Status: Patch Available (was: Open)
This *change* is hudson scheduling test.
> Implementation of singular value decomposition
> ----------------------------------------------
>
> Key: HAMA-176
> URL: https://issues.apache.org/jira/browse/HAMA-176
> Project: Hama
> Issue Type: New Feature
> Components: matrix
> Affects Versions: 0.1.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.1.0
>
> Attachments: HAMA-176.patch
>
>
> 1) Computes A(T) and A(T)A
> 2) Computes eigenvalue of A(T)A, singular values s1, s2 of A
> 3) Computes S, S(-1) using s1, s2
> 4) Computes V(T) using eigenvector of A(T)A
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Edward J. Yoon updated HAMA-176:
--------------------------------
Status: Open (was: Patch Available)
> Implementation of singular value decomposition
> ----------------------------------------------
>
> Key: HAMA-176
> URL: https://issues.apache.org/jira/browse/HAMA-176
> Project: Hama
> Issue Type: New Feature
> Components: matrix
> Affects Versions: 0.1.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.1.0
>
> Attachments: HAMA-176.patch
>
>
> 1) Computes A(T) and A(T)A
> 2) Computes eigenvalue of A(T)A, singular values s1, s2 of A
> 3) Computes S, S(-1) using s1, s2
> 4) Computes V(T) using eigenvector of A(T)A
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Edward J. Yoon updated HAMA-234:
--------------------------------
Status: Patch Available (was: Open)
Running patch through hudson.
> Serialize Printing of HelloWorld using BSP
> ------------------------------------------
>
> Key: HAMA-234
> URL: https://issues.apache.org/jira/browse/HAMA-234
> Project: Hama
> Issue Type: Improvement
> Components: bsp, test
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.2.0
>
> Attachments: HAMA-234.patch
>
>
> This example shows synchronization.
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Edward J. Yoon updated HAMA-234:
--------------------------------
Attachment: HAMA-234.patch
Attach my patch
> Serialize Printing of HelloWorld using BSP
> ------------------------------------------
>
> Key: HAMA-234
> URL: https://issues.apache.org/jira/browse/HAMA-234
> Project: Hama
> Issue Type: Improvement
> Components: bsp, test
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.2.0
>
> Attachments: HAMA-234.patch
>
>
> This example shows synchronization.
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Documentation of the BSP package
--------------------------------
Key: HAMA-235
URL: https://issues.apache.org/jira/browse/HAMA-235
Project: Hama
Issue Type: Task
Components: bsp
Affects Versions: 0.2.0
Reporter: Edward J. Yoon
Fix For: 0.2.0
We need to documentation which introduces the BSP. This issue talking about the bsp and documentation.
1) What Is BSP?
2) BSP Programming Style
3) How Does Communication Work?
4) Barrier Synchronization
5) Hama.BSP package
6) BSP Example
7) BSP vs. MPI
8) BSP programming model vs. M/R programming model
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Serialize Printing of HelloWorld using BSP
------------------------------------------
Key: HAMA-234
URL: https://issues.apache.org/jira/browse/HAMA-234
Project: Hama
Issue Type: Improvement
Components: bsp, test
Affects Versions: 0.2.0
Reporter: Edward J. Yoon
Assignee: Edward J. Yoon
Fix For: 0.2.0
This example shows synchronization.
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Sangwon Seo commented on HAMA-233:
----------------------------------
Following is short explanation on CG method.
http://smiler-note.blogspot.com/2009/12/applying-conjugate-gradient-with.html
I will soon update first version of patch.
> Solving linear solution with Conjugate Gradient Method
> ------------------------------------------------------
>
> Key: HAMA-233
> URL: https://issues.apache.org/jira/browse/HAMA-233
> Project: Hama
> Issue Type: New Feature
> Components: matrix
> Affects Versions: 0.1.0
> Reporter: Sangwon Seo
> Assignee: Sangwon Seo
> Priority: Minor
> Fix For: 0.1.0
>
>
> For spase matrix, CG method is good in a way of iterative learning.
> This can be applied to many applications (MLP, descent gradient search, etc..) as a primitive,
not even in linear solution.
> Related paper (From Carnegie Mellon, It presents in verry simple way to understand everything
behind the CG) is as bellow.
> http://smiler82.springnote.com/pages/3827983/attachments/2558573
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Hi, all I wrote the report (http://wiki.apache.org/incubator/December2009), we need more committer/reviewers who are capable of proofing algorithm, education and, seriously, documentation is necessary!!! as mentioned that. Does anyone have a interest in documentation or planning to hold a seminar? -- Best Regards, Edward J. Yoon @ NHN, corp. edwardyoon@apache.org http://blog.udanax.org
Solving linear solution with Conjugate Gradient Method
------------------------------------------------------
Key: HAMA-233
URL: https://issues.apache.org/jira/browse/HAMA-233
Project: Hama
Issue Type: New Feature
Components: matrix
Affects Versions: 0.1.0
Reporter: Sangwon Seo
Assignee: Sangwon Seo
Priority: Minor
Fix For: 0.1.0
For spase matrix, CG method is good in a way of iterative learning.
This can be applied to many applications (MLP, descent gradient search, etc..) as a primitive,
not even in linear solution.
Related paper (From Carnegie Mellon, It presents in verry simple way to understand everything
behind the CG) is as bellow.
http://smiler82.springnote.com/pages/3827983/attachments/2558573
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Edward J. Yoon updated HAMA-232:
--------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
I just committed this.
> Add file multiplication example
> -------------------------------
>
> Key: HAMA-232
> URL: https://issues.apache.org/jira/browse/HAMA-232
> Project: Hama
> Issue Type: Test
> Components: test
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.2.0
>
> Attachments: HAMA-232.patch
>
>
> When removing deprecated APIs of map/reduce, I missed this test unit.
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Hudson commented on HAMA-232:
-----------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12426642/HAMA-232.patch
against trunk revision 886051.
@author +1. The patch does not contain any @author tags.
tests included +1. The patch appears to include 3 new or modified tests.
javadoc +1. The javadoc tool did not generate any warning messages.
javac +1. The applied patch does not generate any new javac compiler warnings.
release audit +1. The applied patch does not generate any new release audit warnings.
findbugs +1. The patch does not introduce any new Findbugs warnings.
core tests +1. The patch passed core unit tests.
Test results: http://hudson.zones.apache.org/hudson/job/Hama-Patch/216/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hama-Patch/216/findbugsResult/
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hama-Patch/216/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hama-Patch/216/console
This message is automatically generated.
> Add file multiplication example
> -------------------------------
>
> Key: HAMA-232
> URL: https://issues.apache.org/jira/browse/HAMA-232
> Project: Hama
> Issue Type: Test
> Components: test
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.2.0
>
> Attachments: HAMA-232.patch
>
>
> When removing deprecated APIs of map/reduce, I missed this test unit.
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Edward J. Yoon updated HAMA-232:
--------------------------------
Status: Patch Available (was: Open)
Running patch through hudson.
> Add file multiplication example
> -------------------------------
>
> Key: HAMA-232
> URL: https://issues.apache.org/jira/browse/HAMA-232
> Project: Hama
> Issue Type: Test
> Components: test
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.2.0
>
> Attachments: HAMA-232.patch
>
>
> When removing deprecated APIs of map/reduce, I missed this test unit.
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Edward J. Yoon updated HAMA-232:
--------------------------------
Attachment: HAMA-232.patch
Added file mult test unit. and, removed javadoc warnings of graph package.
> Add file multiplication example
> -------------------------------
>
> Key: HAMA-232
> URL: https://issues.apache.org/jira/browse/HAMA-232
> Project: Hama
> Issue Type: Test
> Components: test
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.2.0
>
> Attachments: HAMA-232.patch
>
>
> When removing deprecated APIs of map/reduce, I missed this test unit.
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Add file multiplication example
-------------------------------
Key: HAMA-232
URL: https://issues.apache.org/jira/browse/HAMA-232
Project: Hama
Issue Type: Test
Components: test
Affects Versions: 0.2.0
Reporter: Edward J. Yoon
Assignee: Edward J. Yoon
Fix For: 0.2.0
When removing deprecated APIs of map/reduce, I missed this test unit.
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[ https://issues.apache.org/jira/browse/HAMA-230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Edward J. Yoon updated HAMA-230:
--------------------------------
Resolution: Fixed
Fix Version/s: 0.2.0
Status: Resolved (was: Patch Available)
I've committed this. Thanks
> Adding several initial code base classes, such as inputformat, outputformat, jobcontext,
and so on.
> ---------------------------------------------------------------------------------------------------
>
> Key: HAMA-230
> URL: https://issues.apache.org/jira/browse/HAMA-230
> Project: Hama
> Issue Type: Sub-task
> Affects Versions: 0.2.0
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Fix For: 0.2.0
>
> Attachments: HAMA-230_v01.patch
>
>
> This code base will contain InputFormat, InputSplit, JobContext, OutputCommitter, OutputFormat,
RecordReader, RecordWriter, and TeskAttemptContext. Some parts of these code base classes
will be based on those of hadoop's mapreduce package. However, RecordReader will be considered
for random access.
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Hyunsik Choi commented on HAMA-231:
-----------------------------------
That's good idea! I'll apply your idea to the patch on the graph package.
> Change the prefix of keys in configurations to angrapa.
> -------------------------------------------------------
>
> Key: HAMA-231
> URL: https://issues.apache.org/jira/browse/HAMA-231
> Project: Hama
> Issue Type: Sub-task
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
>
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Edward J. Yoon commented on HAMA-231:
-------------------------------------
+1, I added a property name as below, but "bsp.xxx", "matrix.xxx" and "angrapa.groom.port"
is better w/o prefix "hama".
<property>
<name>hama.groom.port</name>
<value>40020</value>
<description>The port an groom server binds to.
</description>
</property>
> Change the prefix of keys in configurations to angrapa.
> -------------------------------------------------------
>
> Key: HAMA-231
> URL: https://issues.apache.org/jira/browse/HAMA-231
> Project: Hama
> Issue Type: Sub-task
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
>
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Change the prefix of keys in configurations to angrapa.
-------------------------------------------------------
Key: HAMA-231
URL: https://issues.apache.org/jira/browse/HAMA-231
Project: Hama
Issue Type: Sub-task
Reporter: Hyunsik Choi
Assignee: Hyunsik Choi
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Hyunsik Choi reassigned HAMA-230:
---------------------------------
Assignee: Hyunsik Choi
> Adding several initial code base classes, such as inputformat, outputformat, jobcontext,
and so on.
> ---------------------------------------------------------------------------------------------------
>
> Key: HAMA-230
> URL: https://issues.apache.org/jira/browse/HAMA-230
> Project: Hama
> Issue Type: Sub-task
> Affects Versions: 0.2.0
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Attachments: HAMA-230_v01.patch
>
>
> This code base will contain InputFormat, InputSplit, JobContext, OutputCommitter, OutputFormat,
RecordReader, RecordWriter, and TeskAttemptContext. Some parts of these code base classes
will be based on those of hadoop's mapreduce package. However, RecordReader will be considered
for random access.
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Hyunsik Choi updated HAMA-230:
------------------------------
Status: Patch Available (was: Open)
I submit the patch.
> Adding several initial code base classes, such as inputformat, outputformat, jobcontext,
and so on.
> ---------------------------------------------------------------------------------------------------
>
> Key: HAMA-230
> URL: https://issues.apache.org/jira/browse/HAMA-230
> Project: Hama
> Issue Type: Sub-task
> Affects Versions: 0.2.0
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Attachments: HAMA-230_v01.patch
>
>
> This code base will contain InputFormat, InputSplit, JobContext, OutputCommitter, OutputFormat,
RecordReader, RecordWriter, and TeskAttemptContext. Some parts of these code base classes
will be based on those of hadoop's mapreduce package. However, RecordReader will be considered
for random access.
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Hyunsik Choi updated HAMA-230:
------------------------------
Attachment: HAMA-230_v01.patch
I attached the patch.
> Adding several initial code base classes, such as inputformat, outputformat, jobcontext,
and so on.
> ---------------------------------------------------------------------------------------------------
>
> Key: HAMA-230
> URL: https://issues.apache.org/jira/browse/HAMA-230
> Project: Hama
> Issue Type: Sub-task
> Affects Versions: 0.2.0
> Reporter: Hyunsik Choi
> Attachments: HAMA-230_v01.patch
>
>
> This code base will contain InputFormat, InputSplit, JobContext, OutputCommitter, OutputFormat,
RecordReader, RecordWriter, and TeskAttemptContext. Some parts of these code base classes
will be based on those of hadoop's mapreduce package. However, RecordReader will be considered
for random access.
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Adding several initial code base classes, such as inputformat, outputformat, jobcontext, and
so on.
---------------------------------------------------------------------------------------------------
Key: HAMA-230
URL: https://issues.apache.org/jira/browse/HAMA-230
Project: Hama
Issue Type: Sub-task
Affects Versions: 0.2.0
Reporter: Hyunsik Choi
This code base will contain InputFormat, InputSplit, JobContext, OutputCommitter, OutputFormat,
RecordReader, RecordWriter, and TeskAttemptContext. Some parts of these code base classes
will be based on those of hadoop's mapreduce package. However, RecordReader will be considered
for random access.
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Edward J. Yoon updated HAMA-229:
--------------------------------
Resolution: Fixed
Fix Version/s: 0.2.0
Status: Resolved (was: Patch Available)
I just committed this. Thanks hyunsik.
> Adding a codebase of TaskID and TaskAttemptID
> ---------------------------------------------
>
> Key: HAMA-229
> URL: https://issues.apache.org/jira/browse/HAMA-229
> Project: Hama
> Issue Type: Sub-task
> Affects Versions: 0.2.0
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Fix For: 0.2.0
>
> Attachments: HAMA-229_v01.patch
>
>
> TaskID and TaskAttemptID will play roles to represent identifiers for a task and a task
attempt respectively.
> These code bases will be based on those of hadoop.
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Hyunsik Choi updated HAMA-229:
------------------------------
Status: Patch Available (was: Open)
I submitted the patch.
> Adding a codebase of TaskID and TaskAttemptID
> ---------------------------------------------
>
> Key: HAMA-229
> URL: https://issues.apache.org/jira/browse/HAMA-229
> Project: Hama
> Issue Type: Sub-task
> Affects Versions: 0.2.0
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Attachments: HAMA-229_v01.patch
>
>
> TaskID and TaskAttemptID will play roles to represent identifiers for a task and a task
attempt respectively.
> These code bases will be based on those of hadoop.
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Hyunsik Choi commented on HAMA-229:
-----------------------------------
Ok, I'will.
> Adding a codebase of TaskID and TaskAttemptID
> ---------------------------------------------
>
> Key: HAMA-229
> URL: https://issues.apache.org/jira/browse/HAMA-229
> Project: Hama
> Issue Type: Sub-task
> Affects Versions: 0.2.0
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Attachments: HAMA-229_v01.patch
>
>
> TaskID and TaskAttemptID will play roles to represent identifiers for a task and a task
attempt respectively.
> These code bases will be based on those of hadoop.
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Edward J. Yoon commented on HAMA-229:
-------------------------------------
Seems really skeleton code patch.
However, If you want your patch to be committed, pls let me know. You can use the 'Submit
Patch' button.
> Adding a codebase of TaskID and TaskAttemptID
> ---------------------------------------------
>
> Key: HAMA-229
> URL: https://issues.apache.org/jira/browse/HAMA-229
> Project: Hama
> Issue Type: Sub-task
> Affects Versions: 0.2.0
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Attachments: HAMA-229_v01.patch
>
>
> TaskID and TaskAttemptID will play roles to represent identifiers for a task and a task
attempt respectively.
> These code bases will be based on those of hadoop.
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Hyunsik Choi reassigned HAMA-229:
---------------------------------
Assignee: Hyunsik Choi
> Adding a codebase of TaskID and TaskAttemptID
> ---------------------------------------------
>
> Key: HAMA-229
> URL: https://issues.apache.org/jira/browse/HAMA-229
> Project: Hama
> Issue Type: Sub-task
> Affects Versions: 0.2.0
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Attachments: HAMA-229_v01.patch
>
>
> TaskID and TaskAttemptID will play roles to represent identifiers for a task and a task
attempt respectively.
> These code bases will be based on those of hadoop.
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[ https://issues.apache.org/jira/browse/HAMA-228?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi reassigned HAMA-228:
---------------------------------
Assignee: Hyunsik Choi
> Adding a codebase of Task.
> --------------------------
>
> Key: HAMA-228
> URL: https://issues.apache.org/jira/browse/HAMA-228
> Project: Hama
> Issue Type: Sub-task
> Components: graph
> Affects Versions: 0.2.0
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
>
> The class Task is an abstract class that manages each graph and matrix task.
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[ https://issues.apache.org/jira/browse/HAMA-229?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi updated HAMA-229:
------------------------------
Attachment: HAMA-229_v01.patch
I attached the patch.
> Adding a codebase of TaskID and TaskAttemptID
> ---------------------------------------------
>
> Key: HAMA-229
> URL: https://issues.apache.org/jira/browse/HAMA-229
> Project: Hama
> Issue Type: Sub-task
> Affects Versions: 0.2.0
> Reporter: Hyunsik Choi
> Attachments: HAMA-229_v01.patch
>
>
> TaskID and TaskAttemptID will play roles to represent identifiers for a task and a task
attempt respectively.
> These code bases will be based on those of hadoop.
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Adding a codebase of TaskID and TaskAttemptID
---------------------------------------------
Key: HAMA-229
URL: https://issues.apache.org/jira/browse/HAMA-229
Project: Hama
Issue Type: Sub-task
Affects Versions: 0.2.0
Reporter: Hyunsik Choi
TaskID and TaskAttemptID will play roles to represent identifiers for a task and a task attempt
respectively.
These code bases will be based on those of hadoop.
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Hyunsik Choi updated HAMA-228:
------------------------------
Summary: Adding a codebase of Task. (was: Add a codebase of Task.)
> Adding a codebase of Task.
> --------------------------
>
> Key: HAMA-228
> URL: https://issues.apache.org/jira/browse/HAMA-228
> Project: Hama
> Issue Type: Sub-task
> Components: graph
> Affects Versions: 0.2.0
> Reporter: Hyunsik Choi
>
> The class Task is an abstract class that manages each graph and matrix task.
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Add a codebase of Task.
-----------------------
Key: HAMA-228
URL: https://issues.apache.org/jira/browse/HAMA-228
Project: Hama
Issue Type: Sub-task
Components: graph
Affects Versions: 0.2.0
Reporter: Hyunsik Choi
The class Task is an abstract class that manages each graph and matrix task.
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[ https://issues.apache.org/jira/browse/HAMA-219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12779383#action_12779383
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Sangwon Seo commented on HAMA-219:
----------------------------------
Wow, I just intend to show progress of this job, but you've already tested this. Nice!
>From now on, I will add unit test module whenever make codes.
BTW, Asymmetric matrix could be appeared.....during determinant computation...
I will check that...
If anyone has some ideas of alternative way to compute determinant, just inform me..
> Cramer's rule
> -------------
>
> Key: HAMA-219
> URL: https://issues.apache.org/jira/browse/HAMA-219
> Project: Hama
> Issue Type: New Feature
> Components: matrix
> Reporter: Sangwon Seo
> Assignee: Sangwon Seo
> Priority: Trivial
> Attachments: HAMA-219_v01.patch
>
>
> How about applying Cramer's rule to solve the solution(x), such that Ax = b.
> It can be simply possible with our component of Eigenvalue.
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Edward J. Yoon commented on HAMA-219:
-------------------------------------
Hmm, jacobi algorithm seem not fit for cramer's rule since non-symmetric matrix could be appeared
during computes determinant of matrix by replacing the kth column of A.
> Cramer's rule
> -------------
>
> Key: HAMA-219
> URL: https://issues.apache.org/jira/browse/HAMA-219
> Project: Hama
> Issue Type: New Feature
> Components: matrix
> Reporter: Sangwon Seo
> Assignee: Sangwon Seo
> Priority: Trivial
> Attachments: HAMA-219_v01.patch
>
>
> How about applying Cramer's rule to solve the solution(x), such that Ax = b.
> It can be simply possible with our component of Eigenvalue.
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Edward J. Yoon commented on HAMA-219:
-------------------------------------
1) It would be nice to add a unit test to check that function is working properly or not.
2) I think, your code is simply good. BTW, jacobiEigenValue seems has some bug.
I expected this result is same to { 29.6, 26, 28 } but, something's wrong.
Given problem:
-----------A-----------
25.0 -5.0 -20.0
-5.0 10.0 -4.0
-5.0 -4.0 9.0
-----------b-----------
50.0
0.0
0.0
Result:
x1=0.4173228346456694
x2=4.6929133858267695
x3=7.874015748031496
> Cramer's rule
> -------------
>
> Key: HAMA-219
> URL: https://issues.apache.org/jira/browse/HAMA-219
> Project: Hama
> Issue Type: New Feature
> Components: matrix
> Reporter: Sangwon Seo
> Assignee: Sangwon Seo
> Priority: Trivial
> Attachments: HAMA-219_v01.patch
>
>
> How about applying Cramer's rule to solve the solution(x), such that Ax = b.
> It can be simply possible with our component of Eigenvalue.
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Sangwon Seo updated HAMA-219:
-----------------------------
Attachment: HAMA-219_v01.patch
I've nearly completed code for finding linear solution with cramer's rule.
Surely, still it remains optimization possibility where commented inside code with TODO.
I will improve gradually.
> Cramer's rule
> -------------
>
> Key: HAMA-219
> URL: https://issues.apache.org/jira/browse/HAMA-219
> Project: Hama
> Issue Type: New Feature
> Components: matrix
> Reporter: Sangwon Seo
> Assignee: Sangwon Seo
> Priority: Trivial
> Attachments: HAMA-219_v01.patch
>
>
> How about applying Cramer's rule to solve the solution(x), such that Ax = b.
> It can be simply possible with our component of Eigenvalue.
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[ https://issues.apache.org/jira/browse/HAMA-222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12778695#action_12778695
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Hyunsik Choi commented on HAMA-222:
-----------------------------------
+1
> Initial codebase import for Angrapa, a graph computing framework based on BSP.
> ------------------------------------------------------------------------------
>
> Key: HAMA-222
> URL: https://issues.apache.org/jira/browse/HAMA-222
> Project: Hama
> Issue Type: New Feature
> Components: bsp, graph
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.2.0
>
> Attachments: HAMA-222_v01.patch, HAMA-222_v02.patch, HAMA-222_v03.patch, HAMA-222_v04..patch
>
>
> That code is currently in http://throb.googlecode.com, Let's bring the core interfaces
to Hama trunk.
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Edward J. Yoon commented on HAMA-222:
-------------------------------------
To avoid making this patch too big, I would decompose into subtasks. I just committed current
patch.
> Initial codebase import for Angrapa, a graph computing framework based on BSP.
> ------------------------------------------------------------------------------
>
> Key: HAMA-222
> URL: https://issues.apache.org/jira/browse/HAMA-222
> Project: Hama
> Issue Type: New Feature
> Components: bsp, graph
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.2.0
>
> Attachments: HAMA-222_v01.patch, HAMA-222_v02.patch, HAMA-222_v03.patch, HAMA-222_v04..patch
>
>
> That code is currently in http://throb.googlecode.com, Let's bring the core interfaces
to Hama trunk.
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Hyunsik Choi updated HAMA-222:
------------------------------
Attachment: HAMA-222_v04..patch
I improved GroomServer to check, initialize, clean local storage. I added some classes (i.e.,
ID, JobClient, JobID, JobStatus) related to job submission.
> Initial codebase import for Angrapa, a graph computing framework based on BSP.
> ------------------------------------------------------------------------------
>
> Key: HAMA-222
> URL: https://issues.apache.org/jira/browse/HAMA-222
> Project: Hama
> Issue Type: New Feature
> Components: bsp, graph
> Affects Versions: 0.2.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.2.0
>
> Attachments: HAMA-222_v01.patch, HAMA-222_v02.patch, HAMA-222_v03.patch, HAMA-222_v04..patch
>
>
> That code is currently in http://throb.googlecode.com, Let's bring the core interfaces
to Hama trunk.
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