Re: PITR

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Le 22/02/2014 18:03, Murthy Nunna a écrit :
> Mat,
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> Thank you for your quick response….
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> The documentation says  for pause_at_recovery_target:
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> This setting has no effect if hot_standby
> <http://www.postgresql.org/docs/9.2/static/runtime-config-replication.html#GUC-HOT-STANDBY>
> is not enabled, or if no recovery target is set.
>
>
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> In my case hot_standby is not enabled.
>
>
Hi,

If you want to connect to your database in read only to check the
recovery point, you have to enable it. It doesn't have any impact when
the cluster is not in recovery mode.

Regards.

>
> Thanks,
>
> Murthy
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> *From:*desmodemone [mailto:desmodemone@gmail.com] *Sent:* Saturday,
> February 22, 2014 10:34 AM *To:* Murthy Nunna *Cc:*
> pgsql-admin@postgresql.org *Subject:* Re: [ADMIN] PITR
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> 2014-02-22 17:06 GMT+01:00 Murthy Nunna <mnunna@fnal.gov
> <mailto:mnunna@fnal.gov>>:
>
> All,
>
>
>
> I am testing PITR…. I am looking for recovery.conf parameters where
> you can recovery the WALs available in the restore_command but do
> not complete recovery. I want to be able to connect to the database
> and check database in read only and if I am not there yet, I will
> feed more WALs in the archive directory and resume recovery. I
> would like to prevent multiple base restorations. I want to roll
> forward with WALs but check in between. Also, I do not want to set
> up replication standby.
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> Is it possible? If so, could you tell me what are the relevant
> recovery.conf params?
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>
> Thanks,
>
> Murthy
>
>
>
> Hi Murthy, look at parameter "pause_at_recovery_target"  and
> "recovery_target_time" with these parameters in the recovery.conf
> you could reach a point in the timeline to recover the database and
> then see if it's all ok and then finish the recovery with
> pg_xlog_replay_resume. If you want instead continue the recovery
> you have to stop the backend and change the parameter of
> recovery_target_time in the recovery.conf and restart the
> postmaster.
>
> Mat DBA
>
>
>


- --
Julien Rouhaud
http://dalibo.com - http://dalibo.org
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