Re: TRUNCATE TABLE

Kevin Grittner wrote:
>>>> On Mon, Jul 16, 2007 at  7:18 PM, in message <25418.1184631498@sss.pgh.pa.us>,
> Tom Lane <tgl@sss.pgh.pa.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