Alvaro,
> > Yes, and yes. Simply allocating more checkpoint segments (which can eat
> > a lot of disk space -- requirements are 16mb*(2 * segments +1) ) will
> > prevent this problem.
>
> Hmm? I disagree -- it will only make things worse when the checkpoint
> does occur.
Unless you allocate en
On Sun, May 15, 2005 at 08:26:02PM -0700, Josh Berkus wrote:
> David,
>
> > I've seen these messages in the log before, and am aware of the need to
> > increase checkpoint_segments, but I wasn't aware that recycling a
> > transaction log could be that damaging to performance. There may have
> > be
On Sun, May 15, 2005 at 08:22:13PM -0400, David Parker wrote:
> In the database log at that time there was a "recycling transaction log"
> message which seems to correspond to the time when the clients were
> paused, though I don't have it concretely correlated.
Maybe what you need is make the b
"David Parker" <[EMAIL PROTECTED]> writes:
> I was recently running a test with multiple client shell processes
> running psql commands (inserts) when all the client processes appeared
> to hang simultaneously. I assumed that I had an application deadlock
> somewhere, but after a few seconds - less
David,
> I've seen these messages in the log before, and am aware of the need to
> increase checkpoint_segments, but I wasn't aware that recycling a
> transaction log could be that damaging to performance. There may have
> been some local hiccup in this case, but I'm wondering if recycling is
> kn
I was recently
running a test with multiple client shell processes running psql commands
(inserts) when all the client processes appeared to hang simultaneously. I
assumed that I had an application deadlock somewhere, but after a few seconds -
less than a minute, but certainly noticeable - a