On Tue, May 11, 2021 at 12:35:28PM +1200, David Rowley wrote: > Thanks for making the updates. > > On Tue, 11 May 2021 at 05:07, Bruce Momjian <br...@momjian.us> wrote: > > > > On Mon, May 10, 2021 at 08:52:44PM +1200, David Rowley wrote: > > > > Improve the performance of parallel sequential scans (Thomas Munro, > > > > David Rowley) > > > > > > I think it is worth mentioning "I/O" before "performance". This > > > change won't really help cases if all the table's pages are already in > > > shared buffers. > > > > I went with: > > > > Improve the performance of parallel sequential I/O scans (Thomas > > Munro, > > David Rowley) > > I think I'd have gone with: > > "Improve I/O performance of parallel sequential scans (Thomas Munro, > David Rowley)" > > The operation we're speeding up is called sequential scan. We don't > have any operation that's named sequential I/O scan.
OK, new text: <listitem> <!-- Author: David Rowley <drow...@postgresql.org> 2020-07-26 [56788d215] Allocate consecutive blocks during parallel seqscans --> <para> Improve the I/O performance of parallel sequential scans (Thomas Munro, David Rowley) </para> <para> This was done by allocating blocks in groups to parallel workers. </para> </listitem> -- Bruce Momjian <br...@momjian.us> https://momjian.us EDB https://enterprisedb.com If only the physical world exists, free will is an illusion.