Re: WAL and master multi-slave replication

On Wed, Jun 24, 2009 at 11:51 AM, Alvaro
Herrera<alvherre@commandprompt.com> wrote:
> Eduardo Morras escribió:
>> At 19:25 24/06/2009, you wrote:
>>> On Wed, Jun 24, 2009 at 11:22 AM, Eduardo Morras<emorras@s21sec.com> wrote:
>>> > Yes, there will be 3 masters recolleting data (doing updates, inserts and
>>> > deletes) for now and 5 slaves where we will do the searches. The
>>> slaves must
>>> > have all the data recollected by the 3 masters and the system must be
>>> easily
>>> > upgradable, adding new masters and new slaves.
>>>
>>> You know you can't push WAL files from > 1 server into a slave, right?
>>
>> No, i didn't know that.
>
> I guess you don't know either that you can't query a slave while it is
> on recovery (so it's only a "warm" standby, not hot).  And if you bring
> it up you can't afterwards continue applying more segments later.

I think the OP's needs might be better met by slony or londiste and
some views over the top of a bunch of tables than using PITR.