| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | David Steele <david(at)pgmasters(dot)net> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Suraj Kharage <suraj(dot)kharage(at)enterprisedb(dot)com>, tushar <tushar(dot)ahuja(at)enterprisedb(dot)com>, Rajkumar Raghuwanshi <rajkumar(dot)raghuwanshi(at)enterprisedb(dot)com>, Rushabh Lathia <rushabh(dot)lathia(at)gmail(dot)com>, Tels <nospam-pg-abuse(at)bloodgate(dot)com>, Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Jeevan Chalke <jeevan(dot)chalke(at)enterprisedb(dot)com>, vignesh C <vignesh21(at)gmail(dot)com> |
| Subject: | Re: backup manifests |
| Date: | 2020-03-30 20:43:59 |
| Message-ID: | CA+TgmoYmfS8EPEKxhbCJ5R6Gw_MjOAzQBx2bvTANRjA7+Vbh1g@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sun, Mar 29, 2020 at 9:05 PM David Steele <david(at)pgmasters(dot)net> wrote:
> Yeah, that seems reasonable.
>
> In our case backups are nearly always compressed and/or encrypted so
> even checking the original size is a bit of work. Getting the checksum
> at the same time seems like an obvious win.
Makes sense. If this even got extended so it could read from tar-files
instead of the filesystem directly, we'd surely want to take the
opposite approach and just make a single pass. I'm not sure whether
it's worth doing that at some point in the future, but it might be. If
we're going to add the capability to compress or encrypt backups to
pg_basebackup, we might want to do that first, and then make this tool
handle all of those formats in one go.
(As always, I don't have the ability to control how arbitrary
developers spend their development time... so this is just a thought.)
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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