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From Alok Kumar <alok...@gmail.com>
Subject Re: Relevance of mapreduce.* configuration properties for MR V2
Date Sun, 19 Aug 2012 12:25:11 GMT
hi,

check your namenode logs present in $HADOOP_HOME/logs dir.
It'll tell u exact reason why it's not coming up..

I believe some permission issue or hv u not formatted ur namenode ?

Thanks,
Alok

On Sat, Aug 18, 2012 at 8:59 PM, rahul p <rahulpoolanchalil@gmail.com>wrote:

> hi  Shashwat,
>
> Please let me know what needs to be changed.
>
> [image: Inline image 1]
>
>
> On Sat, Aug 18, 2012 at 11:27 PM, rahul p <rahulpoolanchalil@gmail.com>wrote:
>
>> hi,
>> please find the etc/hosts file screenshot
>>
>>
>>
>> On Sat, Aug 18, 2012 at 10:50 PM, Shashwat Shriparv <
>> dwivedishashwat@gmail.com> wrote:
>>
>>> What is content of your /etc/hosts file?****
>>>
>>> ** **
>>>
>>> *From:* rahul p [mailto:rahulpoolanchalil@gmail.com]
>>> *Sent:* Saturday, August 18, 2012 4:49 PM
>>>
>>
>>
>>
>>> *To:* user@hadoop.apache.org
>>> *Subject:* Re: Relevance of mapreduce.* configuration properties for MR
>>> V2****
>>>
>>> ** **
>>>
>>> Hi,****
>>>
>>> When i give bin/start-fs all ****
>>>
>>> namenode s not coming up..****
>>>
>>> On Fri, Aug 17, 2012 at 12:28 AM, mg <userformailinglists@gmail.com>
>>> wrote:****
>>>
>>> Hi,
>>>
>>> I am currently trying to tune a CDH 4.0.1 (i~ hadoop 2.0.0-alpha)
>>> cluster running HDFS, YARN, and HBase managed by Cloudera Manager 4.0.3
>>> (Free Edition).
>>>
>>> In CM, there are a number of options for setting mapreduce.*
>>> configuration properties on the YARN client page.
>>>
>>> Some of the properties and their explanations in the GUI still refer to
>>> JobTracker and TaskTracker, e.g.,
>>> - mapreduce.jobtracker.handler.count,
>>> - mapreduce.tasktracker.map.tasks.maximum,
>>> - mapreduce.tasktracker.reduce.tasks.maximum
>>>
>>> I wonder whether these and a number of other mapreduce.* (e.g.,
>>> mapreduce.job.reduces) properties are observed by the MR2 ApplicationMaster
>>> (and how), or not.
>>>
>>> Can anyone clarify or point to respective documentation?
>>>
>>> Thanks,
>>> Martin****
>>>
>>> ** **
>>>
>>
>>
>


-- 
Alok Kumar

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