Re: [PATCHES] pg_dump additional options for performance

On Sat, 2008-07-26 at 11:03 -0700, Joshua D. Drake wrote:

> 2. We have no concurrency which means, anyone with any database over 50G
> has unacceptable restore times.

Agreed.

Also the core reason for wanting -w

> 3. We have to continue develop hacks to define custom utilization. Why
> am I passing pre-data anything? It should be automatic. For example:
>
> pg_backup (not dump, we aren't dumping. Dumping is usually associated
> with some sort of crash or fould human behavoir. We are backing up).
> pg_backup -U <user> -D database -F -f mybackup.sqlc
>
> If I were to extract <mybackup.sqlc> I would get:
>
> mybackup.datatypes
> mybackup.tables
> mybackup.data
> mybackup.primary_keys
> mybackup.indexes
> mybackup.constraints
> mybackup.grants

Sounds good.

Doesn't help with the main element of dump time: one table at a time to
one output file. We need a way to dump multiple tables concurrently,
ending in multiple files/filesystems.

> Oh and pg_dumpall? It should have been removed right around the release
> of 7.2, pg_dump -A please.

Good idea

--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support

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