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Posted to dev@giraph.apache.org by "Eugene Koontz (JIRA)" <ji...@apache.org> on 2012/11/12 19:41:12 UTC

[jira] [Created] (GIRAPH-418) Create maven profile for CDH 4.1.1

Eugene Koontz created GIRAPH-418:
------------------------------------

             Summary: Create maven profile for CDH 4.1.1
                 Key: GIRAPH-418
                 URL: https://issues.apache.org/jira/browse/GIRAPH-418
             Project: Giraph
          Issue Type: Improvement
            Reporter: Eugene Koontz
         Attachments: pom.xml



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Re: [jira] [Commented] (GIRAPH-418) Create maven profile for CDH 4.1.1

Posted by Mirko Kämpf <mi...@cloudera.com>.
Thanks a lot for the comments.

I will go over all this comments today and than I send the patch file.

Best wishes
Mirko


On Mon, Nov 12, 2012 at 9:35 PM, Nitay Joffe (JIRA) <ji...@apache.org> wrote:

>
>     [
> https://issues.apache.org/jira/browse/GIRAPH-418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13495605#comment-13495605]
>
> Nitay Joffe commented on GIRAPH-418:
> ------------------------------------
>
> oh I realized you might not be able to pull dependency versions out to top
> level if they are not generic across all profiles, in that case it is fine
> to keep them just add a variable for the same version used everywhere.
>
> > Create maven profile for CDH 4.1.1
> > ----------------------------------
> >
> >                 Key: GIRAPH-418
> >                 URL: https://issues.apache.org/jira/browse/GIRAPH-418
> >             Project: Giraph
> >          Issue Type: Improvement
> >            Reporter: Eugene Koontz
> >         Attachments: GIRAPH-418.patch, pom.xml
> >
> >
> > Mirko writes:
> > bq. Hello all,
> > bq. I created a now pom.xml file, which allows compiling Giraph with the
> new CDH 4.1.2 repository.
> > bq. I attached it to this email.
> > bq. But there are still some problems. I can not start the examples,
> because I do not have demo data and I do not jet know, what formats have to
> be used. Has anybody some test data files to share for a public tutorial?
> > bq. Currently I prepare a tutorial on working with Giraph, but until now
> I had to find out, that the wiki content is quite outdated. The
> ShortestPathExample looks nice, but without some hints I can not start. Did
> I miss some documentation? If not, I will create it, but therefor I would
> like to ask for some help.
> > bq. My plan is, to create some demo data files and some Demo-Apps
> comparable to the benchmark classes but based on real data. I have some
> correlation obtained from wikipedia user data, but until now I can not
> analuse that data with Giraph.
> > bq. I get the following error ( at the end of this mail ) if I want to
> start the PageRankBenchmark.
> > bq. Has anybody an idea, what I can do to solve this problem?
> > bq. Thanks a lot!
> > bq. Best wishes
> > bq. Mirko
>
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-- 
-- 
Mirko Kämpf


tel: +49 *176 20 63 51 99*
skype: *kamir1604*
mirko@cloudera.com

Re: [jira] [Commented] (GIRAPH-418) Create maven profile for CDH 4.1.1

Posted by Mirko Kämpf <mi...@cloudera.com>.
Hello,

I worked on the changes related to all of your comments.
Here is the patch to add a new profile, as well as the complete pom file.

Next thing for me is now to create some examples, by looking on
BigTop and to write documentation on this. Result will be a tutorial.

Best wishes

Mirko



-- 
Mirko Kämpf

*Trainer* @ Cloudera

tel: +49 *176 20 63 51 99*
skype: *kamir1604*
mirko@cloudera.com

[jira] [Commented] (GIRAPH-418) Create maven profile for CDH 4.1.1

Posted by "Roman Shaposhnik (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/GIRAPH-418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13495516#comment-13495516 ] 

Roman Shaposhnik commented on GIRAPH-418:
-----------------------------------------

Bigtop has integrated running Giraph tests against Hadoop 2.X. You can take a look at how we're doing it wrt. testdata, etc: https://git-wip-us.apache.org/repos/asf?p=bigtop.git;a=blob;f=bigtop-tests/test-artifacts/giraph/src/main/groovy/org/apache/bigtop/itest/giraphsmoke/TestGiraphSmoke.groovy;h=dd82c2f01c9c403847ad15c59975d768f86f23e9;hb=HEAD
                
> Create maven profile for CDH 4.1.1
> ----------------------------------
>
>                 Key: GIRAPH-418
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-418
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Eugene Koontz
>         Attachments: pom.xml
>
>
> Mirko writes:
> bq. Hello all,
> bq. I created a now pom.xml file, which allows compiling Giraph with the new CDH 4.1.2 repository.
> bq. I attached it to this email.
> bq. But there are still some problems. I can not start the examples, because I do not have demo data and I do not jet know, what formats have to be used. Has anybody some test data files to share for a public tutorial?
> bq. Currently I prepare a tutorial on working with Giraph, but until now I had to find out, that the wiki content is quite outdated. The ShortestPathExample looks nice, but without some hints I can not start. Did I miss some documentation? If not, I will create it, but therefor I would like to ask for some help.
> bq. My plan is, to create some demo data files and some Demo-Apps comparable to the benchmark classes but based on real data. I have some correlation obtained from wikipedia user data, but until now I can not analuse that data with Giraph.
> bq. I get the following error ( at the end of this mail ) if I want to start the PageRankBenchmark.
> bq. Has anybody an idea, what I can do to solve this problem?
> bq. Thanks a lot!
> bq. Best wishes
> bq. Mirko

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[jira] [Commented] (GIRAPH-418) Create maven profile for CDH 4.1.1

Posted by "Eugene Koontz (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/GIRAPH-418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13496656#comment-13496656 ] 

Eugene Koontz commented on GIRAPH-418:
--------------------------------------

Mirko writes:

bq. Hello, I worked on the changes related to all of your comments. Here is the patch to add a new profile, as well as the complete pom file. Next thing for me is now to create some examples, by looking on BigTop and to write documentation on this. Result will be a tutorial. Best wishes Mirko

Attaching patch derived from Mirko's attachment from his Nov 13, 2012 mail. 
                
> Create maven profile for CDH 4.1.1
> ----------------------------------
>
>                 Key: GIRAPH-418
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-418
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Eugene Koontz
>         Attachments: GIRAPH-418.patch, GIRAPH-418.patch, pom.xml
>
>
> Mirko writes:
> bq. Hello all,
> bq. I created a now pom.xml file, which allows compiling Giraph with the new CDH 4.1.2 repository.
> bq. I attached it to this email.
> bq. But there are still some problems. I can not start the examples, because I do not have demo data and I do not jet know, what formats have to be used. Has anybody some test data files to share for a public tutorial?
> bq. Currently I prepare a tutorial on working with Giraph, but until now I had to find out, that the wiki content is quite outdated. The ShortestPathExample looks nice, but without some hints I can not start. Did I miss some documentation? If not, I will create it, but therefor I would like to ask for some help.
> bq. My plan is, to create some demo data files and some Demo-Apps comparable to the benchmark classes but based on real data. I have some correlation obtained from wikipedia user data, but until now I can not analuse that data with Giraph.
> bq. I get the following error ( at the end of this mail ) if I want to start the PageRankBenchmark.
> bq. Has anybody an idea, what I can do to solve this problem?
> bq. Thanks a lot!
> bq. Best wishes
> bq. Mirko

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[jira] [Updated] (GIRAPH-418) Create maven profile for CDH 4.1.1

Posted by "Eugene Koontz (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/GIRAPH-418?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eugene Koontz updated GIRAPH-418:
---------------------------------

    Description: 
Mirko writes:

bq. Hello all,
bq. I created a now pom.xml file, which allows compiling Giraph with the new CDH 4.1.2 repository.
bq. I attached it to this email.
bq. But there are still some problems. I can not start the examples, because I do not have demo data and I do not jet know, what formats have to be used. Has anybody some test data files to share for a public tutorial?
bq. Currently I prepare a tutorial on working with Giraph, but until now I had to find out, that the wiki content is quite outdated. The ShortestPathExample looks nice, but without some hints I can not start. Did I miss some documentation? If not, I will create it, but therefor I would like to ask for some help.
bq. My plan is, to create some demo data files and some Demo-Apps comparable to the benchmark classes but based on real data. I have some correlation obtained from wikipedia user data, but until now I can not analuse that data with Giraph.
bq. I get the following error ( at the end of this mail ) if I want to start the PageRankBenchmark.
bq. Has anybody an idea, what I can do to solve this problem?
bq. Thanks a lot!
bq. Best wishes
bq. Mirko
    
> Create maven profile for CDH 4.1.1
> ----------------------------------
>
>                 Key: GIRAPH-418
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-418
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Eugene Koontz
>         Attachments: pom.xml
>
>
> Mirko writes:
> bq. Hello all,
> bq. I created a now pom.xml file, which allows compiling Giraph with the new CDH 4.1.2 repository.
> bq. I attached it to this email.
> bq. But there are still some problems. I can not start the examples, because I do not have demo data and I do not jet know, what formats have to be used. Has anybody some test data files to share for a public tutorial?
> bq. Currently I prepare a tutorial on working with Giraph, but until now I had to find out, that the wiki content is quite outdated. The ShortestPathExample looks nice, but without some hints I can not start. Did I miss some documentation? If not, I will create it, but therefor I would like to ask for some help.
> bq. My plan is, to create some demo data files and some Demo-Apps comparable to the benchmark classes but based on real data. I have some correlation obtained from wikipedia user data, but until now I can not analuse that data with Giraph.
> bq. I get the following error ( at the end of this mail ) if I want to start the PageRankBenchmark.
> bq. Has anybody an idea, what I can do to solve this problem?
> bq. Thanks a lot!
> bq. Best wishes
> bq. Mirko

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[jira] [Updated] (GIRAPH-418) Create maven profile for CDH 4.1.1

Posted by "Eugene Koontz (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/GIRAPH-418?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eugene Koontz updated GIRAPH-418:
---------------------------------

    Attachment: GIRAPH-418.patch

>From Mirko's Nov 13 mail:
{quote}
Hello,

I worked on the changes related to all of your comments.
Here is the patch to add a new profile, as well as the complete pom file.

Next thing for me is now to create some examples, by looking on 
BigTop and to write documentation on this. Result will be a tutorial.

Best wishes

Mirko
{quote}
                
> Create maven profile for CDH 4.1.1
> ----------------------------------
>
>                 Key: GIRAPH-418
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-418
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Eugene Koontz
>         Attachments: GIRAPH-418.patch, GIRAPH-418.patch, pom.xml
>
>
> Mirko writes:
> bq. Hello all,
> bq. I created a now pom.xml file, which allows compiling Giraph with the new CDH 4.1.2 repository.
> bq. I attached it to this email.
> bq. But there are still some problems. I can not start the examples, because I do not have demo data and I do not jet know, what formats have to be used. Has anybody some test data files to share for a public tutorial?
> bq. Currently I prepare a tutorial on working with Giraph, but until now I had to find out, that the wiki content is quite outdated. The ShortestPathExample looks nice, but without some hints I can not start. Did I miss some documentation? If not, I will create it, but therefor I would like to ask for some help.
> bq. My plan is, to create some demo data files and some Demo-Apps comparable to the benchmark classes but based on real data. I have some correlation obtained from wikipedia user data, but until now I can not analuse that data with Giraph.
> bq. I get the following error ( at the end of this mail ) if I want to start the PageRankBenchmark.
> bq. Has anybody an idea, what I can do to solve this problem?
> bq. Thanks a lot!
> bq. Best wishes
> bq. Mirko

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[jira] [Commented] (GIRAPH-418) Create maven profile for CDH 4.1.1

Posted by "Nitay Joffe (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/GIRAPH-418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13495508#comment-13495508 ] 

Nitay Joffe commented on GIRAPH-418:
------------------------------------

[~ekoontz] can you attach a patch over existing code instead of the raw pom.xml? I want to see the differences.
                
> Create maven profile for CDH 4.1.1
> ----------------------------------
>
>                 Key: GIRAPH-418
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-418
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Eugene Koontz
>         Attachments: pom.xml
>
>
> Mirko writes:
> bq. Hello all,
> bq. I created a now pom.xml file, which allows compiling Giraph with the new CDH 4.1.2 repository.
> bq. I attached it to this email.
> bq. But there are still some problems. I can not start the examples, because I do not have demo data and I do not jet know, what formats have to be used. Has anybody some test data files to share for a public tutorial?
> bq. Currently I prepare a tutorial on working with Giraph, but until now I had to find out, that the wiki content is quite outdated. The ShortestPathExample looks nice, but without some hints I can not start. Did I miss some documentation? If not, I will create it, but therefor I would like to ask for some help.
> bq. My plan is, to create some demo data files and some Demo-Apps comparable to the benchmark classes but based on real data. I have some correlation obtained from wikipedia user data, but until now I can not analuse that data with Giraph.
> bq. I get the following error ( at the end of this mail ) if I want to start the PageRankBenchmark.
> bq. Has anybody an idea, what I can do to solve this problem?
> bq. Thanks a lot!
> bq. Best wishes
> bq. Mirko

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[jira] [Commented] (GIRAPH-418) Create maven profile for CDH 4.1.1

Posted by "Nitay Joffe (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/GIRAPH-418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13495576#comment-13495576 ] 

Nitay Joffe commented on GIRAPH-418:
------------------------------------

The patch looks okay but there are a few things I would ask to change:
1) You are disabling having hadoop_0.20.203 as the active profile by default and enabling your CDH version as the default hadoop. I don't think we want this. You should use -P2.0.0-cdh4.1.2 when building your profile instead and leave the default.
2) Please put the <version> numbers for the dependencies in the <dependencyManagement>. Also please use a variable as you are reusing "2.0.0-cdh4.1.2" many times.
3) There seems to be some weird spacing, do you have some tabs in there?
4) Remove <hadoop.version> in top level properties, shouldn't be there.
5) You added bunch of spaces in <repositories> doesn't seem to be clearer to read to me, is there a reason for this? 
                
> Create maven profile for CDH 4.1.1
> ----------------------------------
>
>                 Key: GIRAPH-418
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-418
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Eugene Koontz
>         Attachments: GIRAPH-418.patch, pom.xml
>
>
> Mirko writes:
> bq. Hello all,
> bq. I created a now pom.xml file, which allows compiling Giraph with the new CDH 4.1.2 repository.
> bq. I attached it to this email.
> bq. But there are still some problems. I can not start the examples, because I do not have demo data and I do not jet know, what formats have to be used. Has anybody some test data files to share for a public tutorial?
> bq. Currently I prepare a tutorial on working with Giraph, but until now I had to find out, that the wiki content is quite outdated. The ShortestPathExample looks nice, but without some hints I can not start. Did I miss some documentation? If not, I will create it, but therefor I would like to ask for some help.
> bq. My plan is, to create some demo data files and some Demo-Apps comparable to the benchmark classes but based on real data. I have some correlation obtained from wikipedia user data, but until now I can not analuse that data with Giraph.
> bq. I get the following error ( at the end of this mail ) if I want to start the PageRankBenchmark.
> bq. Has anybody an idea, what I can do to solve this problem?
> bq. Thanks a lot!
> bq. Best wishes
> bq. Mirko

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[jira] [Updated] (GIRAPH-418) Create maven profile for CDH 4.1.1

Posted by "Eugene Koontz (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/GIRAPH-418?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eugene Koontz updated GIRAPH-418:
---------------------------------

    Attachment: pom.xml

>From mirko.kaempf@cloudera.com
                
> Create maven profile for CDH 4.1.1
> ----------------------------------
>
>                 Key: GIRAPH-418
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-418
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Eugene Koontz
>         Attachments: pom.xml
>
>


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[jira] [Commented] (GIRAPH-418) Create maven profile for CDH 4.1.1

Posted by "Roman Shaposhnik (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/GIRAPH-418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13495602#comment-13495602 ] 

Roman Shaposhnik commented on GIRAPH-418:
-----------------------------------------

I'd suggest cdh4 (since cdh4 and cdh3 bundle different Hadoop's)
                
> Create maven profile for CDH 4.1.1
> ----------------------------------
>
>                 Key: GIRAPH-418
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-418
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Eugene Koontz
>         Attachments: GIRAPH-418.patch, pom.xml
>
>
> Mirko writes:
> bq. Hello all,
> bq. I created a now pom.xml file, which allows compiling Giraph with the new CDH 4.1.2 repository.
> bq. I attached it to this email.
> bq. But there are still some problems. I can not start the examples, because I do not have demo data and I do not jet know, what formats have to be used. Has anybody some test data files to share for a public tutorial?
> bq. Currently I prepare a tutorial on working with Giraph, but until now I had to find out, that the wiki content is quite outdated. The ShortestPathExample looks nice, but without some hints I can not start. Did I miss some documentation? If not, I will create it, but therefor I would like to ask for some help.
> bq. My plan is, to create some demo data files and some Demo-Apps comparable to the benchmark classes but based on real data. I have some correlation obtained from wikipedia user data, but until now I can not analuse that data with Giraph.
> bq. I get the following error ( at the end of this mail ) if I want to start the PageRankBenchmark.
> bq. Has anybody an idea, what I can do to solve this problem?
> bq. Thanks a lot!
> bq. Best wishes
> bq. Mirko

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[jira] [Updated] (GIRAPH-418) Create maven profile for CDH 4.1.1

Posted by "Eugene Koontz (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/GIRAPH-418?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eugene Koontz updated GIRAPH-418:
---------------------------------

    Attachment: GIRAPH-418.patch
    
> Create maven profile for CDH 4.1.1
> ----------------------------------
>
>                 Key: GIRAPH-418
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-418
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Eugene Koontz
>         Attachments: GIRAPH-418.patch, pom.xml
>
>
> Mirko writes:
> bq. Hello all,
> bq. I created a now pom.xml file, which allows compiling Giraph with the new CDH 4.1.2 repository.
> bq. I attached it to this email.
> bq. But there are still some problems. I can not start the examples, because I do not have demo data and I do not jet know, what formats have to be used. Has anybody some test data files to share for a public tutorial?
> bq. Currently I prepare a tutorial on working with Giraph, but until now I had to find out, that the wiki content is quite outdated. The ShortestPathExample looks nice, but without some hints I can not start. Did I miss some documentation? If not, I will create it, but therefor I would like to ask for some help.
> bq. My plan is, to create some demo data files and some Demo-Apps comparable to the benchmark classes but based on real data. I have some correlation obtained from wikipedia user data, but until now I can not analuse that data with Giraph.
> bq. I get the following error ( at the end of this mail ) if I want to start the PageRankBenchmark.
> bq. Has anybody an idea, what I can do to solve this problem?
> bq. Thanks a lot!
> bq. Best wishes
> bq. Mirko

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[jira] [Commented] (GIRAPH-418) Create maven profile for CDH 4.1.1

Posted by "Nitay Joffe (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/GIRAPH-418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13495605#comment-13495605 ] 

Nitay Joffe commented on GIRAPH-418:
------------------------------------

oh I realized you might not be able to pull dependency versions out to top level if they are not generic across all profiles, in that case it is fine to keep them just add a variable for the same version used everywhere. 
                
> Create maven profile for CDH 4.1.1
> ----------------------------------
>
>                 Key: GIRAPH-418
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-418
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Eugene Koontz
>         Attachments: GIRAPH-418.patch, pom.xml
>
>
> Mirko writes:
> bq. Hello all,
> bq. I created a now pom.xml file, which allows compiling Giraph with the new CDH 4.1.2 repository.
> bq. I attached it to this email.
> bq. But there are still some problems. I can not start the examples, because I do not have demo data and I do not jet know, what formats have to be used. Has anybody some test data files to share for a public tutorial?
> bq. Currently I prepare a tutorial on working with Giraph, but until now I had to find out, that the wiki content is quite outdated. The ShortestPathExample looks nice, but without some hints I can not start. Did I miss some documentation? If not, I will create it, but therefor I would like to ask for some help.
> bq. My plan is, to create some demo data files and some Demo-Apps comparable to the benchmark classes but based on real data. I have some correlation obtained from wikipedia user data, but until now I can not analuse that data with Giraph.
> bq. I get the following error ( at the end of this mail ) if I want to start the PageRankBenchmark.
> bq. Has anybody an idea, what I can do to solve this problem?
> bq. Thanks a lot!
> bq. Best wishes
> bq. Mirko

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[jira] [Commented] (GIRAPH-418) Create maven profile for CDH 4.1.1

Posted by "Nitay Joffe (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/GIRAPH-418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13495582#comment-13495582 ] 

Nitay Joffe commented on GIRAPH-418:
------------------------------------

Also for ease of use you can make the <id> something like just "cdh" so you can just use mvn -Pcdh install instead of typing that whole version string.
                
> Create maven profile for CDH 4.1.1
> ----------------------------------
>
>                 Key: GIRAPH-418
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-418
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Eugene Koontz
>         Attachments: GIRAPH-418.patch, pom.xml
>
>
> Mirko writes:
> bq. Hello all,
> bq. I created a now pom.xml file, which allows compiling Giraph with the new CDH 4.1.2 repository.
> bq. I attached it to this email.
> bq. But there are still some problems. I can not start the examples, because I do not have demo data and I do not jet know, what formats have to be used. Has anybody some test data files to share for a public tutorial?
> bq. Currently I prepare a tutorial on working with Giraph, but until now I had to find out, that the wiki content is quite outdated. The ShortestPathExample looks nice, but without some hints I can not start. Did I miss some documentation? If not, I will create it, but therefor I would like to ask for some help.
> bq. My plan is, to create some demo data files and some Demo-Apps comparable to the benchmark classes but based on real data. I have some correlation obtained from wikipedia user data, but until now I can not analuse that data with Giraph.
> bq. I get the following error ( at the end of this mail ) if I want to start the PageRankBenchmark.
> bq. Has anybody an idea, what I can do to solve this problem?
> bq. Thanks a lot!
> bq. Best wishes
> bq. Mirko

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