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From "louis.hust" <louis.h...@gmail.com>
Subject Re: Wrong request count of jmx
Date Wed, 22 Apr 2015 01:58:00 GMT
Thanks very much , it help me a lot!
On Apr 22, 2015, at 1:17, Jerry He <jerryjch@gmail.com> wrote:

> The readRequestCount actually counts the number of rows returned from the
> region server with totals of all the hosted regions.
> The writeRequestCount counts the number of mutations/appends/increments
> with totals of all the hosted regions.
> The totalRequestCount is a mixed bag as Elliott mentioned, but does not
> cover the above two completely.
> 
> Jerry
> 
> 
> 
> On Tue, Apr 21, 2015 at 9:13 AM, Elliott Clark <eclark@apache.org> wrote:
> 
>> Total request count includes admin commands like roll wal, close regions,
>> open region, compact, and split. So it's possible the number is higher than
>> the sum of the two. However I don't know how it could be lower.
>> 
>> On Tue, Apr 21, 2015 at 5:18 AM, mail list <louis.hust.ml@gmail.com>
>> wrote:
>> 
>>> Hi, all
>>> 
>>> We are using HBase 0.98.6, and we visit the following site:
>>> 
>>> 
>>> 
>> localhost:60030/jmx?qry=Hadoop:service=HBase,name=RegionServer,sub=Server
>>> 
>>> get the following output
>>>  "totalRequestCount" : 64637261,
>>>  "readRequestCount" : 65021869,
>>>  "writeRequestCount" : 45971121,
>>> Why  totalRequestCount != readRequestCount + writeRequestCount ?
>>> Is it a bug?
>>> 
>>> Any idea will be appreciated!
>>> 
>>> 
>>> 
>> 


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