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From "T. Madana Gopal" <sri...@tce.edu>
Subject Re: Doubt regarding classification of jobs given to hadoop
Date Fri, 05 Feb 2010 09:26:56 GMT

> On 01/28/2010 08:36 PM, Abhilaash wrote:
>>
>>> top
>>> iostat
>>>
>>> utilitities should get some metrics corresponding to the cpu and the
>>> io,
>>> that can help identify the nature of the job.
>>>
>>>
>>>
>> Thank you sir
>>
>>             We found top utility is available and what output it gives
>> but
>> We were not able to find iostat utility.How to install it and
>> use it ?
>>
>
> It seems to be available by default on the mac.
>
> On my other ubuntu box-
>
> $ sudo apt-get install sysstat
>
> seems to do the trick.
>
>
>>
>>
>> Regards,
>> Abhilaash.
>>
>>

                  We can find the execution time of job in top command.But
how can we divide it as how much the job had spend in
i/o alone and processing alone.

Regards,
T.Madana gopal.


>>
>>>>          What are the factors on which we can classify the jobs given
>>>> to
>>>> hadoop as CPU intensive or I/O intensive?
>>>>
>>>> Regards,
>>>> T.Madanagopal.
>>>>
>>
>>
>
>


Even a stone gets rounded by constant rubbing.


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