Re: Parameter name standby_mode - Mailing list pgsql-hackers

From Fujii Masao
Subject Re: Parameter name standby_mode
Date
Msg-id 3f0b79eb1002112338n35c6fe09sa3ffc17863613325@mail.gmail.com
Whole thread Raw
In response to Re: Parameter name standby_mode  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
Responses Re: Parameter name standby_mode
List pgsql-hackers
On Fri, Feb 12, 2010 at 4:04 PM, Heikki Linnakangas
<heikki.linnakangas@enterprisedb.com> wrote:
> Fujii Masao wrote:
>> On Fri, Feb 12, 2010 at 3:19 PM, Heikki Linnakangas
>> <heikki.linnakangas@enterprisedb.com> wrote:
>>> Fujii Masao wrote:
>>>> But if we fail in restoring the archived WAL file, "standby_mode = on"
>>>> *always* tries to start streaming replication.
>>> Hmm, somehow I thought it doesn't if you don't set primary_conninfo. I
>>> think that's the way it should work, ie. if primary_conninfo is not set,
>>> don't launch walreceiver but just keep trying to restore from the archive.
>>
>> Yeah, even if primary_conninfo is not given, the standby tries to invoke
>> walreceiver by using the another connection settings (environment variables
>> or defaults). This is intentional behavior, and would make the setup of SR
>> easier. So I'd like to leave it be.
>
> You could do primary_conninfo='' for that.
>
> Maybe we should have two options, "streaming_mode='on'" and
> "primary_conninfo='...'".

It looks better for me to extend the "standby_mode":
For example, standby_mode = 'streaming' or 'archive'.

Regards,

-- 
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center


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