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From Mohammad Mustaqeem <3m.mustaq...@gmail.com>
Subject Re: Building Hadoop from source code
Date Tue, 09 Apr 2013 13:15:10 GMT
@Ling, i am very new.
I was about to ask you the same.
Which version is easy to handle?
I want to change something in HDFS.
Please, suggest.


On Tue, Apr 9, 2013 at 6:29 PM, Ling Kun <lkun.erlv@gmail.com> wrote:

> @Mohammad
>
>    Sorry, since the internet connection rate I am using is tooooooo low, It
> takes me a looooong time to download the tar file you showed above.
>
>    however, here is some of my opinion based on my local develop env, and i
> am also a fresh hadooper here.
>
>    1. what you have download from the trunk is Hadoop 3.0, which you can
> see from the tar.gz filename.  While the link above is about Hadoop 1.0,
> and 2.0. So it seems hadoop developers have adjust the distributed tar
> file.
>
>    2. When looking into the bin/hadoop script in both tar.gz file. I think
> that you will find out that most of them are the same. This file will make
> a MR job start.
>
>    3. What version of hadoop do you plan to work on? 2.0 or 3.0?
>
>   Ling Kun
>
>
> On Tue, Apr 9, 2013 at 8:25 PM, Mohammad Mustaqeem
> <3m.mustaqeem@gmail.com>wrote:
>
> > @Ling, Is it the same file as we download from
> > http://apache.techartifact.com/mirror/hadoop/common/ ??
> > But the tree structure of the build tar file is not same as downloaded
> from
> > the site.
> >
> > @Ling plz guide me. I have been stuck at this state from 1 month .
> > I didn't find link that explain in detail. The material that I found is
> > very old that uses ant.
> > I want to just build hadoop from source code.
> > Plz, tell
> >
> >
> > On Tue, Apr 9, 2013 at 5:37 PM, Ling Kun <lkun.erlv@gmail.com> wrote:
> >
> > > @Mohammad:
> > >   1. have you successfully run the command Steve suggested?  "mvn
> package
> > > -Pdist -Dtar -DskipTests -Dmaven.javadoc.skip=true"
> > >   2. If yes, and then you can use the command " find . -name "*tar*" "
> to
> > > find the tar file, which is in the path
> > > "./hadoop-dist/target/hadoop-3.0.0-SNAPSHOT.tar.gz"
> > >
> > >   3. Sorry, I make a mistake about the tar file name, It is tar.gz
> > >
> > >
> > > @ maisnam ns:
> > >     I am afraid the version you are using is not the same as Mohammad
> > used.
> > >
> > >
> > > Ling Kun
> > >
> > >
> > > On Tue, Apr 9, 2013 at 7:58 PM, Mohammad Mustaqeem
> > > <3m.mustaqeem@gmail.com>wrote:
> > >
> > > > @maisnam, I am using ubuntu and after running svn I get hadoop folder
> > as
> > > > given in screenshot.
> > > > I didn't finf any build folder
> > > >
> > > >
> > > > On Tue, Apr 9, 2013 at 5:22 PM, maisnam ns <maisnam.ns@gmail.com>
> > wrote:
> > > >
> > > >> @@Mohammad Mustaqeem please ignore the earlier mail as the
> screenshots
> > > >> where not copied in the mail I have attached a doc file.
> > > >>
> > > >> You can follow the steps earlier using the screenshots I have
> > attached.
> > > >>
> > > >>
> > > >> On Tue, Apr 9, 2013 at 5:15 PM, maisnam ns <maisnam.ns@gmail.com>
> > > wrote:
> > > >>
> > > >>> @Mohammad Mustaqeem please follow the screenshots one by one
> > > >>>
> > > >>>
> > > >>> cd build you will find
> > > >>>
> > > >>>
> > > >>> Now cd hadoop-0.20.3-dev you will find the below screenshot
> > > >>>
> > > >>>
> > > >>> Now the bin contains all the scripts you may need to start hadoop
> > > >>> 1. Go to that bin directory and format your namenode
> > > >>> 2. configure you site-xmls
> > > >>> 3. start-all.sh  note there are other ways also
> > > >>> 4. do jps to see if all daemons are running
> > > >>>
> > > >>>
> > > >>>
> > > >>> On Tue, Apr 9, 2013 at 4:54 PM, Mohammad Mustaqeem <
> > > >>> 3m.mustaqeem@gmail.com> wrote:
> > > >>>
> > > >>>> Please, anyone tell me where is the build hadoop??
> > > >>>> that can be used to install the hadoop cluster.
> > > >>>>
> > > >>>>
> > > >>>> On Tue, Apr 9, 2013 at 2:32 PM, Mohammad Mustaqeem
> > > >>>> <3m.mustaqeem@gmail.com>wrote:
> > > >>>>
> > > >>>> > @Ling, you mean to say to run "find -name *tar*"??
> > > >>>> > I run but don't know which file will be used to install
Hadoop.
> > > >>>> >
> > > >>>> > @Niranjan
> > > >>>> > I haven't changed anything I just executed "svn checkout
> > > >>>> >
> http://svn.apache.org/repos/asf/hadoop/common/trunk/hadoop-trunk"
> > > >>>> to get
> > > >>>> > the Hadoop source code in the "hadoop-trunk" directory.
> > > >>>> > After that I executed the "cd hadoop-trunk" and finally
executed
> > > "mvn
> > > >>>> > package -Pdist -Dtar -DskipTests -Dmaven.javadoc.skip=true".
> > > >>>> > I want to ask what is location of tar file created which
can be
> > used
> > > >>>> to
> > > >>>> > install the Hadoop ??
> > > >>>> >
> > > >>>> >
> > > >>>> > On Tue, Apr 9, 2013 at 2:08 PM, maisnam ns <
> maisnam.ns@gmail.com>
> > > >>>> wrote:
> > > >>>> >
> > > >>>> >> @Mohammad Mustaqeem - Once you create the patch as
given in the
> > > 'How
> > > >>>> to
> > > >>>> >> contribute to Hadoop' and apply the patch. The  changes
will be
> > > >>>> reflected
> > > >>>> >> in the files you have modified.
> > > >>>> >>
> > > >>>> >> 1.Now you trigger the build ant or maven. I tried
with ant so
> the
> > > ant
> > > >>>> >> command I gave is  ant clean compile bin-package.
Don't forget
> to
> > > >>>> download
> > > >>>> >> ivy.jar and copy into you ant home/ lib folder. Once
the build
> is
> > > >>>> >> triggered
> > > >>>> >> Hadoop should get built along with the changes you
made.
> > > >>>> >>
> > > >>>> >> If , I am not mistaken , you modified some hadoop
files say
> > > >>>> >> BlockLocation.java, in your
> > > >>>> >> Hadoopx.x\src\core\org\apache\hadoop\fs\BlockLocation.java.
> > > >>>> >>
> > > >>>> >> The jar will be in
> Hadoopx.x\build\hadoop-0.20.3-dev-core.jar(In
> > my
> > > >>>> >> version)
> > > >>>> >>
> > > >>>> >> Hope this clears your doubt.
> > > >>>> >>
> > > >>>> >> Regards
> > > >>>> >> Niranjan Singh
> > > >>>> >>
> > > >>>> >>
> > > >>>> >> On Tue, Apr 9, 2013 at 1:38 PM, Mohammad Mustaqeem
> > > >>>> >> <3m.mustaqeem@gmail.com>wrote:
> > > >>>> >>
> > > >>>> >> > @Steve
> > > >>>> >> > I am new to Hadoop developement.
> > > >>>> >> > Can you please tell me, whats is the location
of tar file??
> > > >>>> >> >
> > > >>>> >> >
> > > >>>> >> > On Tue, Apr 9, 2013 at 12:09 AM, Steve Loughran
<
> > > >>>> stevel@hortonworks.com
> > > >>>> >> > >wrote:
> > > >>>> >> >
> > > >>>> >> > > On 8 April 2013 16:08, Mohammad Mustaqeem
<
> > > >>>> 3m.mustaqeem@gmail.com>
> > > >>>> >> > wrote:
> > > >>>> >> > >
> > > >>>> >> > > > Please, tell what I am doing wrong??
> > > >>>> >> > > > Whats the problem??
> > > >>>> >> > > >
> > > >>>> >> > >
> > > >>>> >> > > a lot of these seem to be network-related
tests. You can
> turn
> > > >>>> off all
> > > >>>> >> the
> > > >>>> >> > > tests; look in BUILDING.TXT at the root
of the source tree
> > for
> > > >>>> the
> > > >>>> >> > various
> > > >>>> >> > > operations, then add -DskipTests to the
end of every
> command,
> > > >>>> such as
> > > >>>> >> > >
> > > >>>> >> > > mvn package -Pdist -Dtar -DskipTests
> > > >>>> >> > >
> > > >>>> >> > > to build the .tar packages
> > > >>>> >> > >
> > > >>>> >> > >  mvn package -Pdist -Dtar -DskipTests
> > -Dmaven.javadoc.skip=true
> > > >>>> >> > > to turn off the javadoc creation too, for
an even faster
> > build
> > > >>>> >> > >
> > > >>>> >> >
> > > >>>> >> >
> > > >>>> >> >
> > > >>>> >> > --
> > > >>>> >> > *With regards ---*
> > > >>>> >> > *Mohammad Mustaqeem*,
> > > >>>> >> > M.Tech (CSE)
> > > >>>> >> > MNNIT Allahabad
> > > >>>> >> > 9026604270
> > > >>>> >> >
> > > >>>> >>
> > > >>>> >
> > > >>>> >
> > > >>>> >
> > > >>>> > --
> > > >>>> > *With regards ---*
> > > >>>> > *Mohammad Mustaqeem*,
> > > >>>> >  M.Tech (CSE)
> > > >>>> > MNNIT Allahabad
> > > >>>> > 9026604270
> > > >>>> >
> > > >>>> >
> > > >>>> >
> > > >>>>
> > > >>>>
> > > >>>> --
> > > >>>> *With regards ---*
> > > >>>> *Mohammad Mustaqeem*,
> > > >>>> M.Tech (CSE)
> > > >>>> MNNIT Allahabad
> > > >>>> 9026604270
> > > >>>>
> > > >>>
> > > >>>
> > > >>
> > > >
> > > >
> > > > --
> > > > *With regards ---*
> > > > *Mohammad Mustaqeem*,
> > > > M.Tech (CSE)
> > > > MNNIT Allahabad
> > > > 9026604270
> > > >
> > > >
> > > >
> > >
> > >
> > > --
> > > http://www.lingcc.com
> > >
> >
> >
> >
> > --
> > *With regards ---*
> > *Mohammad Mustaqeem*,
> > M.Tech (CSE)
> > MNNIT Allahabad
> > 9026604270
> >
>
>
>
> --
> http://www.lingcc.com
>



-- 
*With regards ---*
*Mohammad Mustaqeem*,
M.Tech (CSE)
MNNIT Allahabad
9026604270

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