On Thu, Aug 30, 2018 at 11:23:54PM -0700, Michael Paquier wrote:
> Yes that's a matter of safety, as I put into the truck any modules which
> may use XLogFlush(). And that maps with the old code, so there is no
> more surprise.
Okay, I have pushed my previous version as that's the safest approach
On Fri, Aug 31, 2018 at 02:52:06PM +0900, Kyotaro HORIGUCHI wrote:
> The patch inhibits turning off updateMinRecoveryPoint on other
> than the startup process running crash-recovery except at the end
> of XLogNeedsFlush.
Yes that's a matter of safety, as I put into the truck any modules which
may
At Thu, 30 Aug 2018 18:48:55 -0700, Michael Paquier wrote
in <20180831014855.gj15...@paquier.xyz>
> On Fri, Aug 31, 2018 at 09:48:46AM +0900, Kyotaro HORIGUCHI wrote:
> > Please wait a bit.. I have a concern about this.
>
> Sure, please feel free.
Thanks.
I looked though the patch and related
On Fri, Aug 31, 2018 at 09:48:46AM +0900, Kyotaro HORIGUCHI wrote:
> Please wait a bit.. I have a concern about this.
Sure, please feel free.
--
Michael
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At Thu, 30 Aug 2018 11:57:05 -0700, Michael Paquier wrote
in <20180830185705.gf15...@paquier.xyz>
> On Thu, Aug 30, 2018 at 08:31:36PM +0200, Alexander Kukushkin wrote:
> > 2018-08-30 19:34 GMT+02:00 Michael Paquier :
> >> I have been struggling for a couple of hours to get a deterministic test
>
On Thu, Aug 30, 2018 at 08:31:36PM +0200, Alexander Kukushkin wrote:
> 2018-08-30 19:34 GMT+02:00 Michael Paquier :
>> I have been struggling for a couple of hours to get a deterministic test
>> case out of my pocket, and I did not get one as you would need to get
>> the bgwriter to flush a page be
2018-08-30 19:34 GMT+02:00 Michael Paquier :
> I have been struggling for a couple of hours to get a deterministic test
> case out of my pocket, and I did not get one as you would need to get
> the bgwriter to flush a page before crash recovery finishes, we could do
In my case the active standby s
On Thu, Aug 30, 2018 at 04:03:43PM +0200, Alexander Kukushkin wrote:
> 2018-08-30 15:39 GMT+02:00 Michael Paquier :
>> Does it take care of the problem?
>
> Yep, with the patch applied bgwriter acts as expected!
Thanks for double-checking.
I have been struggling for a couple of hours to get a de
Hi,
2018-08-30 15:39 GMT+02:00 Michael Paquier :
> That's indeed obvious by reading the code. The bgwriter would be
> started only once a consistent point has been reached, so the startup
> process would have normally already updated the control file to the
> consistent point. Something like th
On Thu, Aug 30, 2018 at 10:55:23AM +0200, Alexander Kukushkin wrote:
> Bgwriter itself never changes updateMinRecoveryPoint to true and boom,
> we can get a lot of pages written to disk, but minRecoveryPoint in the
> pg_control won't be updated!
That's indeed obvious by reading the code. The bgwr
Hello hackers!
It seems bgwriter running on the replicas is broken in the commit
8d68ee6 and as a result bgwriter never updates minRecoveryPoint in the
pg_control.Please see a detailed explanation below.
2018-08-29 22:54 GMT+02:00 Michael Paquier :
> This is not a solution in my opinion, as you
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