Re: finding changed blocks using WAL scanning

On Mon, Apr 22, 2019 at 01:11:22PM -0400, Robert Haas wrote:
> On Mon, Apr 22, 2019 at 12:35 PM Bruce Momjian <bruce@momjian.us> wrote:
> > I assumed the modblock files would be stored in the WAL archive so some
> > external tools could generate incremental backups using just the WAL
> > files.  I assumed they would also be sent to standby servers so
> > incremental backups could be done on standby servers too.
> 
> Yeah, that's another possible approach.  I am not sure what is best.

I am thinking you need to allow any of these, and putting the WAL files
in pg_wal and having them streamed and archived gives that flexibility.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
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