[pgpool-general: 2304] Re: [pgpool-hackers: 407] Re: Obosoleting parallel query

[Bruce Momjian]

On Fri, Nov 15, 2013 at 08:56:33AM +0100, Guillaume Lelarge wrote:
> Hi,
> 
> On Fri, 2013-11-15 at 14:17 +0900, Tatsuo Ishii wrote:
> > [...}
> > I'm thinking about a future road map of pgpool-II and there's one
> > thing that I would like to remove, rather than add: parallel query.
> > 
> > The reason I would like to obsolete parallel query is:
> > 
> > 1) very few users
> > 
> > 2) it has severe restrictions such as certain queries cannot be used,
> >    nor in extended protocol (i.e. JDBC)
> > 
> > 3) nobody want to work on this
> > 
> > 4) pain to upgrade to newer version of PostgreSQL's SQL parser (yes,
> >    pgpool-II uses PostgreSQL's parser code).
> > 
> > In short, parallel query gives us small gain comparing with the work
> > needed to maintain/enhance. So I would like to obsolete parallel query
> > in the future pgpool-II release.
> > 
> > Opinions?
> 
> Totally agree. pgpool has way too many features. I have no customers and
> know of no users using the parallel query capacity of pgpool.
> 
> So, +1 to get rid of it.

Yes, I also agree.  I know it is hard to remove features, but sometimes
it is the right thing to do.

-- 
  Bruce Momjian  <bruce at momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + Everyone has their own god. +