Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
MapReduce, mail # user - metric type


Copy link to this message
-
Re: metric type
Jitendra Yadav 2013-08-30, 19:42
Hi,

For IO/sec statistics I think MutableCounterLongRate  and
MutableCounterLong more useful than others and for xceiver thread
number I'm not bit sure right now.

Thanks
Jiitendra
On Fri, Aug 30, 2013 at 1:40 PM, lei liu <[EMAIL PROTECTED]> wrote:
>
> Hi  Jitendra,
> If I want to statistics number of bytes read per second,and display the result into ganglia, should I use MutableCounterLong or MutableGaugeLong?
>
> If I want to display current xceiver thread number in datanode into ganglia, should I use MutableCounterLong or MutableGaugeLong?
>
> Thanks,
> LiuLei
>
>
> 2013/8/30 Jitendra Yadav <[EMAIL PROTECTED]>
>>
>> Hi,
>>
>> Below link contains the answer for your question.
>>
>> http://hadoop.apache.org/docs/r1.2.0/api/org/apache/hadoop/metrics2/package-summary.html
>>
>> Regards
>> Jitendra
>>
>> On Fri, Aug 30, 2013 at 11:35 AM, lei liu <[EMAIL PROTECTED]> wrote:
>>>
>>> I use the metrics v2, there are COUNTER and GAUGE metric type in metrics v2.
>>> What is the difference between the two?
>>>
>>> Thanks,
>>> LiuLei
>>
>>
>