On Thu, 2009-03-26 at 10:12 -0700, David Fetter wrote: > On Thu, Mar 26, 2009 at 05:04:29PM +0000, Simon Riggs wrote: > > > > On Wed, 2009-03-25 at 15:52 -0600, Scott Marlowe wrote: > > > On Wed, Mar 25, 2009 at 2:24 PM, aravind chandu <avin_friends@xxxxxxxxx> wrote: > > > > Hello, > > > > > > > > I have a few questions related to the parallel query > > > > processing.Can you guys tell me how to implement parallel query > > > > processing in postgresql database. > > > > > > PostgreSQL provides no capability to parallelize one query into > > > multiple processes. > > > > I have a tool that will allow you to manually parallelize a query > > (and get the right answer). That is useful for certain larger > > queries. I'll be publishing that a bit more visibly in next few > > months. > > Is this snapshot cloning? Basically, yes. > On the subject of snapshot cloning, I can see, at least in broad brush > strokes, how this would work for read queries, but I'm curious how (or > if) it could work for writes like, for example, updates of many > partitions at once. Could it? Yes, think so, since most writes involve first reading the data. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
