"Querying the Internet with PIER" is an interesting recent paper.
Authored at Berkeley -- same spawning grounds as PostgreSQL. ;-) Authors: Ryan Huebsch, Joseph M. Hellerstein, Nick Lanham, Boon Thau Loo, Scott Shenker, Ion Stoica > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Sailesh Krishnamurthy > Sent: Friday, October 08, 2004 5:00 PM > To: Mike Rylander > Cc: [EMAIL PROTECTED] > Subject: Re: [HACKERS] APR 1.0 released > > > > IMHO the best references to parallelizing query plans are in > the Volcano papers. The Exchange operator is a really clean > abstraction - the idea is to place the Exchange operator in > query plans and that way you don't have to paralellize any > other operator. Exchange takes care of managing the IPC > queues and also worries about whether or not you have to, > say, "rehash the data", or "broadcast the data to all other > processes" or "direct the data to a single node" ... > > I'd suggest reading the following paper: > > "Encapsulation of parallelism in the Volcano query processing system" > > By Goetz Graefe in SIGMOD 1990. > > Link: http://portal.acm.org/citation.cfm?id=98720 > > The above link also has references to Gamma but I really like > the exposition in the Volcano/Exchange work much better. > > -- > Pip-pip > Sailesh > http://www.cs.berkeley.edu/~sailesh > > > > ---------------------------(end of > broadcast)--------------------------- > TIP 8: explain analyze is your friend > ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]
