| From: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
|---|---|
| To: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Thom Brown <thom(at)linux(dot)com>, Beena Emerson <memissemerson(at)gmail(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Support for N synchronous standby servers - take 2 |
| Date: | 2016-04-06 05:51:15 |
| Message-ID: | CAD21AoDv8k7z7DgGyc0Vuxu697+Vw4Y9sE6F99t9Pt5ZPb=tHQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Apr 6, 2016 at 2:21 PM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
> On Tue, Apr 5, 2016 at 8:51 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
>> On 5 April 2016 at 12:26, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
>>
>>>
>>> Multiple standbys with the same name may connect to the master.
>>> In this case, users might want to specifiy k<=N. So k<=N seems not invalid
>>> setting.
>>
>>
>> Confusing as that is, it is already the case; k > N could make sense. ;-(
>>
>> However, in most cases, k > N would not make sense and we should issue a
>> WARNING.
>
> Somebody (maybe Horiguchi-san and Sawada-san) commented this upthread
> and the code for that test was included in the old patch (but I excluded it).
> Now the majority seems to prefer to add that test, so I just revived and
> revised that test code.
The regression test codes seems not to be included in latest patch, no?
Regards,
--
Masahiko Sawada
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