Rack-awareness in Hadoop-2.0.3-alpha

*With regards ---* *Mohammad Mustaqeem*, M.Tech (CSE) MNNIT Allahabad topology.sh Description: Bourne shell script

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

Block placement Policy

I have read somewhere that a user can specified his own ReplicaPlacementPolicy. How can I specify my own ReplicaPlacementPolicy? I you have any sample ReplicaPlacementPolicy, then please share it.. -- *With regards ---* *Mohammad Mustaqeem*, M.Tech (CSE) MNNIT Allahabad 9026604270

Class responsible for Registered DataNode.

Which class keeps track of all the registered DataNodes? -- *With regards ---* *Mohammad Mustaqeem*, M.Tech (CSE) MNNIT Allahabad 9026604270

Re: Testing online one class

; --Chris > > > > On Mon, Apr 22, 2013 at 11:04 PM, Mohammad Mustaqeem < > 3m.mustaq...@gmail.com > > wrote: > > > Will the output of this test is shown on terminal? > > > > > > On Mon, Apr 22, 2013 at 11:22 PM, Ted Yu wrote: >

Re: Testing online one class

Will the output of this test is shown on terminal? On Mon, Apr 22, 2013 at 11:22 PM, Ted Yu wrote: > You can use the following command: > > mvn test -Dtest=TestReplicationPolicy > > Cheers > > On Mon, Apr 22, 2013 at 10:47 AM, Mohammad Mustaqeem < > 3m.mustaq...@g

Testing online one class

I have seen the test folder in trunk. How to use these test code. Like I want to test only TestReplicationPolicy. How to run this code? -- *With regards ---* *Mohammad Mustaqeem*, M.Tech (CSE) MNNIT Allahabad 9026604270

How to understand Hadoop source code ?

Hello everyone, I am new to this group. Since the source code of Hadoop is very big, I am not able to understand it entirely. Is there any document that describes the code? Is there any way to understand the functionality of each classes and its method? -- *With regards ---* *Mohammad

Re: Which java file is responsible for replica placement??

Thank you :) On Thu, Apr 11, 2013 at 2:00 PM, Azuryy Yu wrote: > org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault > in HadoopV2. > > > On Thu, Apr 11, 2013 at 2:00 PM, Mohammad Mustaqeem > <3m.mustaq...@gmail.com>wrote: > > > Which

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

Which java file is responsible for replica placement??

Which class is responsible for replica placement?? Which class chooses the random rack for placement of 3rd replica? and which class chooses the random datanode from the same rack for placement of ?? 2nd replica??? -- *With regards ---* *Mohammad Mustaqeem*, M.Tech (CSE) MNNIT Allahabad

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

[jira] [Created] (HDFS-4664) HDFS for heterogeneous environment

Mohammad Mustaqeem created HDFS-4664: Summary: HDFS for heterogeneous environment Key: HDFS-4664 URL: https://issues.apache.org/jira/browse/HDFS-4664 Project: Hadoop HDFS Issue Type