From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Proposal for 9.1: WAL streaming from WAL buffers |
Date: | 2010-06-14 13:13:29 |
Message-ID: | AANLkTimQ1tbfFrN-iwGywFvV5l7kpGHMdE3C26Z5KQEa@mail.gmail.com |
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Lists: | pgsql-hackers |
On Mon, Jun 14, 2010 at 8:41 AM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
> On Mon, Jun 14, 2010 at 8:10 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>> Maybe. That sounds like a pretty enormous foot-gun to me, considering
>> that we have no way of recovering from the situation where the standby
>> gets ahead of the master.
>
> No, we can do that by reconstructing the standby from the backup.
>
> And, that situation is not a problem for users including me who prefer to
> perform a failover when the master goes down.
You don't get to pick - if a backend crashes on the master, it will
restart right away and come up, but the slave will now be hosed...
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company
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