|From:||David Steele <david(at)pgmasters(dot)net>|
|To:||Michael Paquier <michael(at)paquier(dot)xyz>|
|Cc:||Sergei Kornilov <sk(at)zsrv(dot)org>, Andres Freund <andres(at)anarazel(dot)de>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>|
|Subject:||Re: Re: allow online change primary_conninfo|
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On 3/4/19 7:19 AM, Michael Paquier wrote:
> On Sat, Mar 02, 2019 at 01:49:51PM +0300, Sergei Kornilov wrote:
>> This might be not the right way, but I can't think of a better way
>> to not switch to a different method than split of lastSourceFailed
>> processing and starting new source. Something like refactoring in
>> first attached patch. I move RequestXLogStreaming logic from
>> lastSourceFailed processing and add new pendingRestartSource
> OK. This needs a rather close lookup, and I am not actually sure that
> you even need pendingRestartSource. Please let me a couple of days
> before coming back to you on 0001.
>> Second patch is mostly the same as previous version but uses new
>> pendingRestartSource mechanism instead of lastSourceFailed.
> This, on the other hand, looks like the implementation we are looking
> for based on the discussions which happened until now to have the
> startup process handle the shutdown and restart of the WAL receiver.
Do you know when you'll have a chance to revisit this?
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