Re: WIP patch for parallel pg_dump

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>
To: Andrew Dunstan <andrew@dunslane.net>
Cc: Joachim Wieland <joe@mcknight.de>, Tom Lane <tgl@sss.pgh.pa.us>, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2010-12-03T16:23:48Z
Lists: pgsql-hackers
On Fri, Dec 3, 2010 at 8:02 AM, Andrew Dunstan <andrew@dunslane.net> wrote:
> I think Josh Berkus' comments in the thread you mentioned are correct:
>
>> Actually, I'd say that there's a broad set of cases of people who want
>> to do a parallel pg_dump while their system is active.  Parallel pg_dump
>> on a stopped system will help some people (for migration, particularly)
>> but parallel pg_dump with snapshot cloning will help a lot more people.

But you failed to quote the rest of what he said:

> So: if parallel dump in single-user mode is what you can get done, then
> do it.  We can always improve it later, and we have to start somewhere.
> But we will eventually need parallel pg_dump on active systems, and
> that should remain on the TODO list.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
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