| From: | Phil Sorber <phil(at)omniti(dot)com> |
|---|---|
| To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Cc: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Bruce Momjian <bruce(at)momjian(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Craig Ringer <craig(at)2ndquadrant(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Erik Rijkers <er(at)xs4all(dot)nl>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Dimitri Fontaine <dimitri(at)2ndquadrant(dot)fr>, Peter Eisentraut <peter_e(at)gmx(dot)net>, PostgreSQL-development Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [PATCH] pg_isready (was: [WIP] pg_ping utility) |
| Date: | 2013-01-26 16:56:18 |
| Message-ID: | CADAkt-hM8-fux8FR3J5ufxV4NtxpO9yk+1H6CNJn_bYO-Wc5GA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, Jan 26, 2013 at 11:53 AM, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> wrote:
> 2013/1/26 Phil Sorber <phil(at)omniti(dot)com>:
>> On Sat, Jan 26, 2013 at 4:02 AM, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> wrote:
>>> Hello
>>>
>>> We now haw to solve small puppet issue, because our puppets try to
>>> start server too early, when old instance live still.
>>>
>>> Maybe some new parameter - is_done can be useful.
>>>
>>
>> What about something like:
>> pg_isready; while [ $? -ne 2 ]; do sleep 1; pg_isready; done
>
> it is not enough - server is done in a moment, where can be started
> again - or when we can do safe copy of database data directory.
>
I guess i am not completely understanding the case you are trying to
solve. Can you explain a bit further?
> Regards
>
> Pavel
>
>
>
>>
>> Perhaps with a counter to break out of the loop after some number of attempts.
>>
>>> Regards
>>>
>>> Pavel
>>>
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