Bruce, Thanks for adding this to the TODO. I am planning on continuing to work on this patch after 8.4 releases. I know we are in feature freeze and I do not want to sidetrack the release process.
Thanks! - Ryan On Thu, Jan 8, 2009 at 8:41 AM, Bruce Momjian <br...@momjian.us> wrote: > > Added to TODO: > > Reduce data row alignment requirements on some 64-bit systems > > * http://archives.postgresql.org/pgsql-hackers/2008-10/msg00369.php > > > --------------------------------------------------------------------------- > > Ryan Bradetich wrote: >> Hello all, >> >> Here is a proof-of-concept patch for reducing the alignment >> requirement for heap tuples on 64-bit systems. >> This patch passes the regression tests and a couple of other data sets >> I have thrown at it. >> >> I am hoping to get some early feedback on this patch so I have time to >> make any corrections, improvements, >> etc before the November commit-fest deadline. >> >> There are two visible savings in the system catalogs using this patch >> (size was gathered using \S+): >> >> Catalog Pre-Patch Size After Patch Size >> >> pg_depend 312 kB 296 kB >> pg_description 160 kB 152 kB >> >> >> One thing I am considering, but I am not sure if it is worth the code >> uglification, is to wrap the majority of these >> checks in #ifdefs so they only are used on 64-bit systems. This >> would completely eliminate the impact for this >> patch on 32-bit systems, which would not gain any benefit from this patch. >> >> Feedback welcome! >> >> Thanks, >> >> - Ryan > > [ Attachment, skipping... ] > >> >> -- >> Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) >> To make changes to your subscription: >> http://www.postgresql.org/mailpref/pgsql-hackers > > -- > Bruce Momjian <br...@momjian.us> http://momjian.us > EnterpriseDB http://enterprisedb.com > > + If your life is a hard drive, Christ can be your backup. + > -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers