Re: Incremental backup

On 10/28/21 12:23, Ron wrote:
> On 10/28/21 2:06 PM, Adrian Klaver wrote:
>> On 10/28/21 11:48, Ron wrote:
>>> On 10/28/21 1:00 PM, Adrian Klaver wrote:
>>>> On 10/28/21 10:51, Ron wrote:
>>>>
>>

>> "
>> Logical replication is built with an architecture similar to physical 
>> streaming replication (see Section 27.2.5). It is implemented by 
>> “walsender” and “apply” processes. The walsender process starts 
>> logical decoding (described in Chapter 49) of the WAL and loads the 
> 
> Scans the (global) WAL data for only the that portion from the relevant 
> database?
> 
> If so, definitely not the same as having per-database WAL files.
> 
> Just as importantly, replication is not, and never will be, a substitute 
> for backups.

Who says you have to use the mechanism to replicate to another database, 
why not to a file?

Not sure of the plausibility, still it might be interesting to find out?

Also isn't a backup just an interrupted form of replication?


-- 
Adrian Klaver
adrian.klaver@aklaver.com