| From: | Jaime Casanova <jaime(at)2ndquadrant(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, Dimitri Fontaine <dimitri(at)2ndquadrant(dot)fr>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Sync Rep v19 |
| Date: | 2011-03-04 21:18:39 |
| Message-ID: | AANLkTimoQ1PTk3p1R89EPyzGMiMLj+KFb=sHB8cJ1m+Y@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Mar 3, 2011 at 1:23 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>>
>> The patch sets "*" as the default, so all standbys are synchronous by
>> default.
>>
>> Would you prefer it if it was blank, meaning no standbys are
>> synchronous, by default?
>
> I think * is a reasonable default.
>
Actually i would prefer to have standbys asynchronous by default...
though is true that there will be no waits until i set
synchronous_replication to on... 1) it could be confusing to see a
SYNC standby in pg_stat_replication by default when i wanted all of
them to be async, 2) also * will give priority 1 to all standbys so it
doesn't seem like a very useful out-of-the-box configuration, better
to make the dba to write the standby names in the order they want
--
Jaime Casanova www.2ndQuadrant.com
Professional PostgreSQL: Soporte y capacitación de PostgreSQL
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