RE: XFS performance drop after uptime (was: So far, so good)

["Juha Saarinen" <juha@xxxxxxxxxxxx>]

Hi,

:: on a Pentium III 733MHz with 512MB RAM and 4 x 30.6GB UDMA/66 7200RPM IBM
:: hard drives on a RAID 5 array with a 3ware Escalade 6400 controller. I'm
:: running the latest (well, as of yesterday GMT+0800) CVS of XFS.

What's the chip set on that system? Intel or VIA?

It's a huge difference, and I wonder why. I don't see this kind of variation
on a single-CPU 440BX P2 system.

I've now tried with both SCSI and IDE drives -- same result. The hdparm
results drop in both cases after a certain amount of uptime (haven't been
able to figure out how much yet).

Also tried running in single mode, with the same result.

The kernel version doesn't seem to matter.



-- Juha