| From: | shveta malik <shveta(dot)malik(at)gmail(dot)com> |
|---|---|
| To: | Peter Smith <smithpb2250(at)gmail(dot)com> |
| Cc: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, "Zhijie Hou (Fujitsu)" <houzj(dot)fnst(at)fujitsu(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Nisha Moond <nisha(dot)moond412(at)gmail(dot)com>, "Hayato Kuroda (Fujitsu)" <kuroda(dot)hayato(at)fujitsu(dot)com>, Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Ashutosh Sharma <ashu(dot)coek88(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Ajin Cherian <itsajin(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, shveta malik <shveta(dot)malik(at)gmail(dot)com> |
| Subject: | Re: Synchronizing slots from primary to standby |
| Date: | 2024-01-23 11:50:02 |
| Message-ID: | CAJpy0uD96ZM0846btSn0s_r=7vvvZ256as81VA5s6E7=MdFT6g@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Jan 23, 2024 at 9:45 AM Peter Smith <smithpb2250(at)gmail(dot)com> wrote:
>
> Here are some review comments for v65-0002
Thanks Peter for the feedback. I have addressed these in v66.
>
> 4. GetStandbyFlushRecPtr
>
> /*
> - * Returns the latest point in WAL that has been safely flushed to disk, and
> - * can be sent to the standby. This should only be called when in recovery,
> - * ie. we're streaming to a cascaded standby.
> + * Returns the latest point in WAL that has been safely flushed to disk.
> + * This should only be called when in recovery.
> + *
>
> Since it says "This should only be called when in recovery", should
> there also be a check for that (e.g. RecoveryInProgress) in the added
> Assert?
Since 'am_cascading_walsender' and 'IsLogicalSlotSyncWorker' makes
sense 'in-recovery' only, I think explicit check for
'RecoveryInProgress' is not needed here. But I can add if others also
think it is needed.
thanks
Shveta
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