Hi,
On Mon, Jan 12, 2009 at 1:16 AM, Simon Riggs wrote:
>
> On Sun, 2009-01-11 at 15:11 +0900, Fujii Masao wrote:
>
>> Yes, using semaphores for the communication is also my first approach.
>> The problem of this approach is that walsender cannot wait for both
>> signal from backends and the resp
On Tue, 2009-01-13 at 16:39 +0900, Fujii Masao wrote:
> > May as well leave it in, so people can use it with 8.3.
>
> I'd like this patch to be reviewed and committed for 8.4 even if
> synch-rep
> is postponed to 8.5. Because this is very useful for existing
> warm-standby
> mechanism, and only w
Hi,
On Mon, Jan 12, 2009 at 1:10 AM, Simon Riggs wrote:
>> > Multiple standby is still possible, but just using old file based
>> > mechanisms. We would need to be careful about use of %R in that case.
>>
>> Yes. Synch Rep can work fine with existing warm-standby mechanism.
>
> If we want multipl
On Sun, 2009-01-11 at 15:11 +0900, Fujii Masao wrote:
> Yes, using semaphores for the communication is also my first approach.
> The problem of this approach is that walsender cannot wait for both
> signal from backends and the response from walreceiver concurrently,
> because
> wait-for-semaphor
On Sun, 2009-01-11 at 17:19 +0900, Fujii Masao wrote:
> Thanks for your comments!
>
> On Sat, Jan 10, 2009 at 10:36 PM, Simon Riggs wrote:
> > I notice we use the same settings for keepalives. We may need that to be
> > a second set of parameters.
>
> Or, we should make walreceiver execute "SE
Hi,
Thanks for your comments!
On Sat, Jan 10, 2009 at 10:36 PM, Simon Riggs wrote:
> I notice we use the same settings for keepalives. We may need that to be
> a second set of parameters.
Or, we should make walreceiver execute "SET tcp_keepalives_xxx TO yyy"
before starting replication if such
Hi,
On Sat, Jan 10, 2009 at 10:42 PM, Simon Riggs wrote:
>
> On Sat, 2009-01-10 at 19:16 +0900, Fujii Masao wrote:
>
>> On Thu, Dec 18, 2008 at 9:55 AM, Simon Riggs wrote:
>> >> 4. sleeping
>> >> http://archives.postgresql.org/pgsql-hackers/2008-12/msg00438.php
>> >>
>> >> I'm looking for the be
On Sat, 2009-01-10 at 19:16 +0900, Fujii Masao wrote:
> On Thu, Dec 18, 2008 at 9:55 AM, Simon Riggs wrote:
> >> 4. sleeping
> >> http://archives.postgresql.org/pgsql-hackers/2008-12/msg00438.php
> >>
> >> I'm looking for the better idea. How should we resolve that problem?
> >> Only reduce the
On Sat, 2009-01-10 at 19:16 +0900, Fujii Masao wrote:
> I attached the updated version of Synch Rep patch (v5) on wiki.
> The description of "User Overview" is also already updated.
> http://wiki.postgresql.org/wiki/NTT%27s_Development_Projects#Synch_Rep
Looks good on initial read of Wiki. Few m
Hi,
I attached the updated version of Synch Rep patch (v5) on wiki.
The description of "User Overview" is also already updated.
http://wiki.postgresql.org/wiki/NTT%27s_Development_Projects#Synch_Rep
On Thu, Dec 18, 2008 at 9:55 AM, Simon Riggs wrote:
>> 4. sleeping
>> http://archives.postgresql.
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