Le mercredi 12 août 2009, Greg Stark a écrit :
> On Wed, Aug 12, 2009 at 3:07 PM, Cédric
>
> Villemain wrote:
> > I wonder if POSIX_FADV_RANDOM and POSIX_FADV_SEQUENTIAL are still
> > innacurate for postgreSQL ?
> >
> > I find
> > «A related problem is that the smgr uses the same FD to access the s
On Wed, Aug 12, 2009 at 3:07 PM, Cédric
Villemain wrote:
>
> I wonder if POSIX_FADV_RANDOM and POSIX_FADV_SEQUENTIAL are still innacurate
> for postgreSQL ?
>
> I find
> «A related problem is that the smgr uses the same FD to access the same
> relation no matter how many scans are in progress. Thin
Hello,
I wonder if POSIX_FADV_RANDOM and POSIX_FADV_SEQUENTIAL are still innacurate
for postgreSQL ?
I find
«A related problem is that the smgr uses the same FD to access the same
relation no matter how many scans are in progress. Think about a complex query
that is doing both a seqscan and a
