[Gluster-users] performance issue

Andoni - andoni at tierradeayala.com
Mon Dec 21 16:03:25 UTC 2009


I have the same problem a couple of days ago, very poor performance.

I reinstall all nodes with the same CentOS version and the same glusterfs
version, and work fine. I don't undestand anything, but now works very
pretty.

--
Regards
Andoni Ayala


2009/12/21 Daniel Maher <dma+gluster at witbe.net <dma%2Bgluster at witbe.net>>

> anthony garnier wrote:
>
>> I have already increased the blocksize of my dd=....... and I got no
>> change.
>>
>>  Hi anthony,
>>>
>>> Increase the block size to get better performance
>>>
>>> Regards
>>> Raghavendra Bhat
>>>
>>
> Wait.. what ?  « Increase the block size to get better performance » ? That
> may or may not work, but regardless of the outcome, it doesn't actually
> prove or help anything.
>
> If you have a standardised test which you can apply against numerous test
> cases, and one of those test cases performs poorly, you don't just change
> the test so that you get the results you want.
>
> I mean, perhaps i'm missing something here, but this seems dubious at best.
>
> --
> Daniel Maher <dma+gluster at witbe.net <dma%2Bgluster at witbe.net>>
>
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