Re: WIP patch for parallel pg_dump
Andrew Dunstan <andrew@dunslane.net>
From: Andrew Dunstan <andrew@dunslane.net>
To: Josh Berkus <josh@agliodbs.com>
Cc: pgsql-hackers@postgresql.org
Date: 2010-12-02T18:10:45Z
Lists: pgsql-hackers
On 12/02/2010 12:56 PM, Josh Berkus wrote: > On 12/02/2010 05:50 AM, Dimitri Fontaine wrote: >> So the use case of parralel dump in a bunch or user given locations >> would be to use different mount points (disk subsystems) at the same >> time. Not sure how releveant it is. > > I think it will complicate this feature unnecessarily for 9.1. > Personally, I need this patch so much I'm thinking of backporting it. > However, having all the data go to one directory/mount wouldn't > trouble me at all. > > Now, if only I could think of some way to write a parallel dump to a > set of pipes, I'd be in heaven. The only way I can see that working sanely would be to have a program gathering stuff at the other end of the pipes, and ensuring it was all coherent. That would be a huge growth in scope for this, and I seriously doubt it's worth it. cheers andrew