Re: sorry, too many standbys already vs. MaxWalSenders vs. max_wal_senders

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: sorry, too many standbys already vs. MaxWalSenders vs. max_wal_senders
Date: 2010-03-31 14:45:39
Message-ID: z2o603c8f071003310745i770d4290s2227110f163cee25@mail.gmail.com
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On Wed, Mar 31, 2010 at 10:44 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
>> On Wed, Mar 31, 2010 at 12:54 AM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
>>>    could not accept connection from the standby because max_wal_senders is 0
>
>> Well, that might still leave someone confused if they had one standby
>> and were trying to bring up a second one.
>
> I'd suggest something like "number of requested standby connections
> exceeds max_wal_senders (currently %d)"

Oh, that's much better than anything I thought of. +1.

...Robert

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