Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
Streaming Replication introduces a few places with a polling pattern
like this (in pseudocode):
while()
{
/* Check if variable in shared has advanced beoynd X */
SpinLockAcquire()
localvar = sharedvar;
On Wed, 2010-01-20 at 20:00 +0200, Heikki Linnakangas wrote:
Hot standby also has a polling loop where it waits for a
transaction a transaction to die, though I'm not sure if that can be
fit into the same model
I prefer that in the context of HS because the Startup process is
waiting for
Tom Lane wrote:
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
Streaming Replication introduces a few places with a polling pattern
like this (in pseudocode):
while()
{
/* Check if variable in shared has advanced beoynd X */
SpinLockAcquire()
localvar = sharedvar;
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
My point is that we should replace such polling loops with something
non-polling, using wait/signal or semaphores or something. That gets
quite a bit more complex. You'd probably still have the loop, but
instead of pg_usleep()
Tom Lane wrote:
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
My point is that we should replace such polling loops with something
non-polling, using wait/signal or semaphores or something. That gets
quite a bit more complex. You'd probably still have the loop, but
instead of
On Wed, Jan 20, 2010 at 09:22:49PM +0200, Heikki Linnakangas wrote:
Tom Lane wrote:
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
My point is that we should replace such polling loops with something
non-polling, using wait/signal or semaphores or something. That gets
David Fetter da...@fetter.org writes:
On Wed, Jan 20, 2010 at 09:22:49PM +0200, Heikki Linnakangas wrote:
My point is that we should replace such polling loops with something
non-polling, using wait/signal or semaphores or something.
Is this a TODO yet?
It hardly seems concrete enough for a
