| From: | "Zhijie Hou (Fujitsu)" <houzj(dot)fnst(at)fujitsu(dot)com> |
|---|---|
| To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com> |
| Cc: | shveta malik <shveta(dot)malik(at)gmail(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Ajin Cherian <itsajin(at)gmail(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>, Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(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>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Subject: | RE: Synchronizing slots from primary to standby |
| Date: | 2024-03-04 13:28:04 |
| Message-ID: | OS0PR01MB5716881EDFAC8682E9219A4E94232@OS0PR01MB5716.jpnprd01.prod.outlook.com |
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| Lists: | pgsql-hackers |
On Monday, March 4, 2024 5:52 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>
> On Mon, Mar 4, 2024 at 9:35 AM Peter Smith <smithpb2250(at)gmail(dot)com>
> wrote:
> >
> > OK, if the code will remain as-is wouldn't it be better to anyway
> > change the function name to indicate what it really does?
> >
> > e.g. NeedToWaitForWal --> NeedToWaitForWalFlushOrStandbys
> >
>
> This seems too long. I would prefer the current name NeedToWaitForWal as
> waiting for WAL means waiting to flush the WAL and waiting to replicate it to
> standby. On similar lines, the variable name standby_slot_oldest_flush_lsn looks
> too long. How about ss_oldest_flush_lsn (where ss indicates standy_slots)?
>
> Apart from this, I have made minor modifications in the attached.
Thanks, I have merged it.
Attach the V105 patch set which addressed Peter, Amit and Bertrand's comments.
This version also includes the following changes:
* We found a string matching issue for query_until() and fixed it.
* Removed one un-used parameter from NeedToWaitForStandbys.
* Disable the sub before testing the pg_logical_slot_get_changes in 040.pl, this is to prevent
This test from catching the warning from another walsender.
* Ran pgindent.
Best Regards,
Hou zj
| Attachment | Content-Type | Size |
|---|---|---|
| v105-0001-Allow-logical-walsenders-to-wait-for-the-physic.patch | application/octet-stream | 48.3 KB |
| v105-0002-Document-the-steps-to-check-if-the-standby-is-r.patch | application/octet-stream | 7.0 KB |
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