long writes

[Matthew Miller]

On Tue, Jan 18, 2005 at 09:44:09AM -0800, Brian Stark wrote:
> I'm not sure if this is the proper forum, but it seems like a good place
> to start. I am maintaining a linux cluster of servers (to date around
> 350). They have a partition configured as a RAID, the average performance
> on these servers is very good , but occasionally I will see a server go
> away for 30-40 seconds. After researching it in the code I found that the
> culprit was a "write" function call. When the call eventually completes,
> but I am writing under 100K of data so I have no idea why it would take
> that long to complete. Has anyone else seen this type of behavior? If not

Which IO scheduler are you using?


-- 
Matthew Miller           mattdm at mattdm.org        <http://www.mattdm.org/>
Boston University Linux      ------>                <http://linux.bu.edu/>