Re: Allowing multiple concurrent base backups

On 12.01.2011 17:15, David Fetter wrote:
> On Wed, Jan 12, 2011 at 10:26:05AM +0100, marcin mank wrote:
>> Considering that parallell base backups would be io-bound (or
>> network-bound), there is little need to actually run them in parallell
>
> That's not actually true.  Backups at the moment are CPU-bound, and
> running them in parallel is one way to make them closer to I/O-bound,
> which is what they *should* be.

That's a different kind of "parallel". We're talking about taking 
multiple backups in parallel, each using one process, and you're talking 
about taking one backup using multiple parallel processes or threads.

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com