Re: pg_basebackup + incremental base backups

2020-05-26 Thread Stephen Frost
Greetings, * Christopher Pereira (krip...@imatronix.cl) wrote: > On 24-May-20 15:48, Stephen Frost wrote: > >That really shouldn't be possible. I'm very curious as to exactly what > >happened that resulted in your primary/replica being 'out of sync', as > >you say. > > Actually this was more a h

Re: pg_basebackup + incremental base backups

2020-05-25 Thread Christopher Pereira
On 24-May-20 15:48, Stephen Frost wrote: That really shouldn't be possible. I'm very curious as to exactly what happened that resulted in your primary/replica being 'out of sync', as you say. Hi Stephen, Actually this was more a hypothetical question to find a solution in case some day one

Re: pg_basebackup + incremental base backups

2020-05-24 Thread Stephen Frost
Greetings, * Christopher Pereira (krip...@imatronix.cl) wrote: > Ok, we want to use pgbackrest to *rebuild a standby that has fallen behind* > (where pg_rewind won't work). After reading the docs, we believe we should > use this setup: > > a) Primary host: primary cluster > > b) Repository host:

Re: pg_basebackup + incremental base backups

2020-05-24 Thread Christopher Pereira
We've contemplated adding support for something like this to pgbackrest, since all the pieces are there, but there hasn't been a lot of demand for it and it kind of goes against the idea of having a proper backup solution, really.. It'd also create quite a bit of load on the primary to checksum

Re: pg_basebackup + incremental base backups

2020-05-22 Thread Christopher Pereira
On 21-May-20 08:43, Stephen Frost wrote: * Christopher Pereira (krip...@imatronix.cl) wrote: [...] Is there some way to rebuild the standby cluster by doing a differential backup of the primary cluster directly? We've contemplated adding support for something like this to pgbackrest, since a

Re: pg_basebackup + incremental base backups

2020-05-21 Thread Stephen Frost
Greetings, * Christopher Pereira (krip...@imatronix.cl) wrote: > On 21-May-20 08:43, Stephen Frost wrote: > >* Christopher Pereira (krip...@imatronix.cl) wrote: > >>Is there some way to rebuild the standby cluster by doing a differential > >>backup of the primary cluster directly? > >We've contemp

Re: pg_basebackup + incremental base backups

2020-05-21 Thread Stephen Frost
Greetings, * Christopher Pereira (krip...@imatronix.cl) wrote: > >>In case of big databases, can we do incremental backups with pg_basebackup? > >pg_basebackup doesn't support incremental backups, though there's been > >discussion of adding some kind of support for it, check -hackers if > >you're

Re: pg_basebackup + incremental base backups

2020-05-21 Thread Christopher Pereira
In case of big databases, can we do incremental backups with pg_basebackup? pg_basebackup doesn't support incremental backups, though there's been discussion of adding some kind of support for it, check -hackers if you're curious. Is there any alternative? There's a few different alternativ

Re: pg_basebackup + incremental base backups

2019-12-03 Thread Stephen Frost
Greetings, * Christopher Pereira (krip...@imatronix.cl) wrote: > Our stream replication slave server got out of sync so we need to base > backup again. If you do WAL archiving instead of depending on the WAL to exist on the primary then a replica can catch up using WAL. Having a WAL archive also

Re: pg_basebackup + incremental base backups

2019-11-29 Thread Michael Paquier
On Fri, Nov 29, 2019 at 04:57:11PM -0300, Christopher Pereira wrote: > Our stream replication slave server got out of sync so we need to base > backup again. > > In case of big databases, can we do incremental backups with pg_basebackup? I know of two ways to define such backups, one being actual