From: | Michael Paquier <michael(at)paquier(dot)xyz> |
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To: | "Tsunakawa, Takayuki" <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com> |
Cc: | 'Masahiko Sawada' <sawada(dot)mshk(at)gmail(dot)com>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Changing the setting of wal_sender_timeout per standby |
Date: | 2018-09-21 06:01:33 |
Message-ID: | 20180921060133.GN1338@paquier.xyz |
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Lists: | pgsql-hackers |
On Fri, Sep 21, 2018 at 05:37:42AM +0000, Tsunakawa, Takayuki wrote:
> I think all of these are almost equally good. I chose (1) at first,
> and you chose (3). But (2) may be the best, because it's the natural
> place the user will see when configuring the standby, and it already
> contains an example of recovery.conf. We can add "options=''-c
> wal_sender_timeout=5000''" or something in that example. I'm OK with
> anyplace, but I recommend adding how to specify wal_sender_timeout in
> primary_conninfo, because libpq's options parameter may not be
> well-konown, and it's a bit difficult to figure out the need to
> enclose the value with double single-quotes.
I think that the description of wal_sender_timeout and its properties
should remain where the parameter is defined, so (3) is not a good
option in my opinion. (2) has a point with the use of quotes actually,
so why not just mention options=''-c wal_sender_timeout=5000'' in the
example of recovery.conf as you suggest and call it a day, but keep the
paragraph I suggested in (1)?
--
Michael
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