Kevin Grittner wrote:
>>>> On Mon, Jul 16, 2007 at 7:18 PM, in message <25418(dot)1184631498(at)sss(dot)pgh(dot)pa(dot)us>,
> Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Somehow, autovac is doing something that makes the filesystem go nuts
>> every so often, and take an astonishingly long time to create an empty
>> file. But autovac itself doesn't create or delete any files, so what's
>> up here?
>
> Have you ruled out checkpoints as the culprit?
That's a good question. I will do some more tests, but I also suspect fsync "cascading"
<http://www.uwsg.iu.edu/hypermail/linux/kernel/0708.0/1435.html>.
Regards,
Adriaan van Os