On 2016/05/04 8:38 PM, Dominique Devienne wrote:
> On Wed, May 4, 2016 at 5:51 PM, Scott Robison <scott at casaderobison.com>
> wrote:
>
>>>> This is going to become a bigger problem for us as the database will
>>>> only get bigger so any advice welcomed.
>> Perhaps, rather than backing up the live data, you create an append only
>> log of each and every query you send to the database. Should you need to
>> restore, you replay the log of statements.
>>
> That sounds like WAL to me, except done manually.
>
> In fact, if there was a hook during checkpointing that allowed to grab
> parts of WAL file,
> and apply these chunks (aligned with transactions or savepoints) to another
> DB,
> you'd basically have online replication with minimal overhead. --DD

Quite correct, but isn't that what the RBU extension basically achieved, 
only in a well-managed and safe way?
I haven't used it yet, but am planning to....


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