Changing the replication factor of particular file

Hi, Is there any method to change the replication factor of any particular file. Means that, if any file is not important then we should decrease its replication factor and the file that is more important, we should increase its replication factor. -- *With regards ---* *Mohammad Mustaqeem

Installing Hadoop 2.0.3-alpha

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

Re: How to understand Hadoop source code ?

of the specifics (how liveness is implemented, how Hadoop RPC works) are going to be relevant. It's probably best to list things you need to know. In particular, you should know Java and its build and test tools before going near Hadoop. -steve -- *With regards ---* *Mohammad Mustaqeem*, M.Tech (CSE

Re: How to understand Hadoop source code ?

I am interested in HDFS. Please guide me. On Thu, Apr 18, 2013 at 3:36 AM, Arun C Murthy a...@hortonworks.com wrote: Please don't cross post. What parts of Hadoop are you interested in? HDFS? YARN? MapReduce? Arun On Apr 17, 2013, at 2:50 PM, Mohammad Mustaqeem wrote: Hello everyone

Re: Which java code(file) generates the heartbeat from the datanode and which code(file) listen that heartbeat on the namenode?

, --Chris On Wed, Apr 10, 2013 at 11:03 PM, Mohammad Mustaqeem 3m.mustaq...@gmail.com wrote: Which java code(file) generates the heartbeat from the datanode and which code(file) listen that heartbeat on the namenode? -- *With regards ---* *Mohammad Mustaqeem*, M.Tech (CSE) MNNIT

Which java code(file) generates the heartbeat from the datanode and which code(file) listen that heartbeat on the namenode?

Which java code(file) generates the heartbeat from the datanode and which code(file) listen that heartbeat on the namenode? -- *With regards ---* *Mohammad Mustaqeem*, M.Tech (CSE) MNNIT Allahabad 9026604270

Which Hadoop version is preferable to make changes in HDFS??

I want to make changes in replica placement. Which Hadoop version is preferable to make changes in HDFS?? Please help... -- *With regards ---* *Mohammad Mustaqeem*, M.Tech (CSE) MNNIT Allahabad 9026604270

Re: Newbie question - How to start working on an issue?

? Request you to please help. Thanks and Regards, Chandrash3khar -- *With regards ---* *Mohammad Mustaqeem*, M.Tech (CSE) MNNIT Allahabad 9026604270

Re: Newbie question - How to start working on an issue?

will be different then please provide any link that has instructions to install Hadoop cluster from hadoop-3.0.0-SNAPSHOT.tar.gz... -- *With regards ---* *Mohammad Mustaqeem*, M.Tech (CSE) MNNIT Allahabad 9026604270

Re: Newbie question - How to start working on an issue?

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

Re: Building Hadoop from source code

@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 ste...@hortonworks.comwrote: On 8 April 2013 16:08, Mohammad Mustaqeem 3m.mustaq...@gmail.com wrote: Please, tell what I am doing wrong

Re: Building Hadoop from source code

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

Re: Building Hadoop from source code

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.mustaq...@gmail.comwrote: @Ling, you mean to say to run find -name *tar*?? I run but don't know which file will be used to install Hadoop

Re: Building Hadoop from source code

@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...@gmail.com wrote: @@Mohammad Mustaqeem please ignore the earlier mail as the screenshots where not copied

Re: Building Hadoop from source code

you are using is not the same as Mohammad used. Ling Kun On Tue, Apr 9, 2013 at 7:58 PM, Mohammad Mustaqeem 3m.mustaq...@gmail.comwrote: @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

Re: Building Hadoop from source code

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.mustaq...@gmail.comwrote: @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

Re: Building Hadoop from source code

Hadoop development lead IBM Senior Software Engineer Phone# 512-286-8393 Fax# 512-838-8858 [image: Inactive hide details for Mohammad Mustaqeem ---04/09/2013 08:18:02 AM---@Ling, i am very new. I was about to ask you the same.]Mohammad Mustaqeem ---04/09/2013 08:18:02 AM---@Ling, i am

Building Hadoop from source code

) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75) -- *With regards ---* *Mohammad Mustaqeem*, M.Tech (CSE) MNNIT Allahabad

Re: Building Hadoop from source code

Please, tell what I am doing wrong?? Whats the problem?? On Mon, Apr 8, 2013 at 8:36 PM, Mohammad Mustaqeem 3m.mustaq...@gmail.comwrote: Hi, I have followed all the steps of http://wiki.apache.org/hadoop/HowToContribute and run following command - http://wiki.apache.org/hadoop

Re: Building Hadoop from source code

the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException [ERROR] [ERROR] After correcting the problems, you can resume the build with the command [ERROR] mvn goals -rf :hadoop-common On Mon, Apr 8, 2013 at 8:38 PM, Mohammad Mustaqeem 3m.mustaq