I've got 3 different database servers (db01, db02 and db03).
I would like to have a WAL standby server that replays logs for all 3 in
case one goes down, so I can promote that particular server.
Can I do this by installing 3 separate postmasters on this machine?
Obviously, if 2 went down at the
Tom Lane a écrit :
Guillaume Lelarge [EMAIL PROTECTED] writes:
Tom Lane a écrit :
What do you have shared_buffers set to? I think you might be getting
fooled by top's treatment of shared memory (ie, it starts to count
shared pages after the process touches them for the first time).
That's
On Thu, 2008-06-26 at 10:19 -0500, Scott Whitney wrote:
I've got 3 different database servers (db01, db02 and db03).
I would like to have a WAL standby server that replays logs for all 3 in
case one goes down, so I can promote that particular server.
Can I do this by installing 3 separate
Hello !
I'm trying to use postgresql in an application that by design will give
access to users to a subset of the database.
For example for customers access to products_view (wich will only show
public offers), orders (only their own orders).
I'll provide an application as user interface for
Hello, Domingo,
My question is why do your users need access to pgadmin3?
I have not used pgadmin3; we use phpPgAdmin. I can restrict access
to that by putting it behind .htaccess. That is only users with a
user name in .htacess can run phpPgAdmin. In the case of pgadmin3,
shouldn't you
I am not so sure of this arrangement's mertis
From HA (High Availability) point of view, the host/server is a single point
of failure which will bring your entire infrastructure down if any of the
server hardware components fail.
From Performance point of view, you have increased the load on
Fully agreed, and it's just a concept at the moment. After I have a
prototype standby working next week in the first place, we'll be discussing
those very merits.
A 2nd question: Is it possible to have 2 standby servers with a single
master duplicating to standby1 (at my coloc), and standby2 (at
While I am not an expert on WAL, but again I question the merits of such
sophisticated HA configuration. Of course there are use cases for such
configs, but I am only advocating best price performance kind of mentality
As WAL writes the journals all the way down to the disk (ie write thru and
not
I was thinking along the same lines. However, having 2 standby servers is a
must for us. If my colocation center gets razed to the ground, I need to
have a standby server elsewhere. Having one at the colocation center is for
soft/hardware disasters on any primary. Having one at my office is for
On Thu, 2008-06-26 at 13:01 -0500, Scott Whitney wrote:
A 2nd question: Is it possible to have 2 standby servers with a single
master duplicating to standby1 (at my coloc), and standby2 (at my office)?
Assume no auto-failover.
Yes, that works too.
--
Simon Riggs
hello...
you can restric acces from all the databases in your cluster. When you use
pgadmin3 this show all the databases but if you dont have access to the
databases you cant see the struct of this.
check waht user use pgadmin3 for connect to databases
create groups and add privileges to the
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