| From: | Craig Ringer <craig(at)2ndquadrant(dot)com> |
|---|---|
| To: | sanyam jain <sanyamjain22(at)live(dot)in> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Simon Riggs <simon(dot)riggs(at)2ndquadrant(dot)com>, Thom Brown <thom(at)linux(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Logical decoding on standby |
| Date: | 2017-06-27 05:24:09 |
| Message-ID: | CAMsr+YG86Sck9snrS1FLBTNbRhPb9EAh_xeJD5BamatS2nDOzw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 21 June 2017 at 17:30, sanyam jain <sanyamjain22(at)live(dot)in> wrote:
> Hi,
> After changing
> sendTimeLineIsHistoric = state->currTLI == ThisTimeLineID;
> to
> sendTimeLineIsHistoric = state->currTLI != ThisTimeLineID;
>
> I was facing another issue.
> On promotion of a cascaded server ThisTimeLineID in the standby server
> having logical slot becomes 0.
> Then i added a function call to GetStandbyFlushRecPtr in
> StartLogicalReplication which updates ThisTimeLineID.
>
> After the above two changes timeline following is working.But i'm not sure
> whether this is correct or not.In any case please someone clarify.
That's a reasonable thing to do, and again, I thought I did it in a
later revision, but apparently not (?). I've been working on other
things and have lost track of progress here a bit.
I'll check more closely.
--
Craig Ringer http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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