-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 03/17/2014 04:15 PM, Tom Lane wrote:
> Jim Nasby <jim@nasby.net> writes:
>> On 3/17/14, 8:47 AM, Tom Lane wrote:
>>> (Note that this is only one of assorted O(N^2) behaviors in
>>> older versions of pg_dump; we've gradually stamped them out
>>> over time.)
>
>> On that note, it's recommended that when you are taking a backup
>> to restore into a newer version of Postgres you create the dump
>> using the NEWER version of pg_dump, not the old one.
>
> Right. IIRC, the OP said he *did* use a recent pg_dump ... but
> this particular issue got fixed server-side, so the new pg_dump
> didn't help against an 8.1 server :-(
Exactly. I backported the patch from 9.3 to 8.4 and saw a schema-only
dump time go from <give-up-and-kill-it-after-5-days> to 1 hour. This
was for a database with about 500k tables.
Joe
- --
Joe Conway
credativ LLC: http://www.credativ.us
Linux, PostgreSQL, and general Open Source
Training, Service, Consulting, & 24x7 Support
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.14 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/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=PV6q
-----END PGP SIGNATURE-----
