[OpenAFS] File creation delays

John W. Sopko Jr. sopko@cs.unc.edu
Wed, 17 Mar 2010 09:07:56 -0400


Simon Wilkinson wrote, On 3/17/2010 8:18 AM:
>
> On 17 Mar 2010, at 12:03, John W. Sopko Jr. wrote:
>>
>> I am using the default medium file server arguments. I have recently
>> rebooted our file and db servers.
>
> Not that I think this is your problem, but medium is almost certainly
> too small for today's hardware.

I will look into changin to the large option.

>
> We've seen problems like this recently, but they have been on heavily
> loaded hardware, and are related to the overhead from ext3 journalling.
> I know you said your fileservers were quite, but have you verified this
> by checking the IO load?

We are using ext3, I will brush up on my iostat. Thanks.

>
> S.
>
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-- 
John W. Sopko Jr.               University of North Carolina
email: sopko AT cs.unc.edu      Computer Science Dept., CB 3175
Phone: 919-962-1844             Fred Brooks Building; Room 140
Fax:   919-962-1799             Chapel Hill, NC 27599-3175