i just thought of another possible cause:
what is the location of the to-be-imported file? local disk?
because if it is on the network, check your NIC if you are running at
the maximum rate, nfs buffers, etc ( i was fooled by such a situation
On 4/3/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> i believe he has given up.
> i would say that on a dedicated database machine 50-75%
> dedicated(shared) memory is not overkill.
> wasn't there some other switch which determined wether to page
> shared-memory out?
> On 4/3/06, Norberto Meijome <[EMAIL PROTECTED]> wrote:
> > On Wed, 29 Mar 2006 19:09:26 -0600
> > Miguel <[EMAIL PROTECTED]> wrote:
> > > Hi, im loading a lot of information to a postgresql 8.1.3 database,
> > > im using the copy command, using the same file and version of
> > > postgres in gentoo it spend a few minutes (~4-5), in freebsd
> > > 6.1-beta4 it has already spent 25 minutes and the server apparently
> > > is doing nothing,
> > [...]
> > Hey Miguel,
> > I would agree with all the comments about memory and buffers - tweak
> > them till you allocate the right amount (i.e., make sure you don't OVER
> > allocate...though i'm sure you'd see those errors in the pgsql log.
> > what does ktrace show when you attach it to the process that is
> > importing the data (client and server processes,actually).
> > - have you tried doing a binary export and import? I've found them to
> > be faster, though they may not work for what you need (I think I'm
> > using them for backups... ). my hardware is pretty much the same as
> > yours, though 4 GB RAM and 4 drives., but my DB is somewhat larger
> > > and the reponse time of remote logins or running
> > > simple commands like ls -l /etc takes a lot of time (35 secs ort so),
> > > cpu usage is very low:
> > ... and all these commands become responsive as usual the minute you
> > kill the import process?
> > btw, you definitely want to kill the indices / FKs in that table until
> > you're finished with the initial import - it'll speed things up a lot.
> > Beto
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