Reduce the number of pallocs() in BRIN Instead of allocating memory in brin_deform_tuple and brin_copy_tuple over and over during a scan, allow reuse of previously allocated memory. This is said to make for a measurable performance improvement.
Author: Jinyu Zhang, Álvaro Herrera Reviewed by: Tomas Vondra Discussion: https://postgr.es/m/[email protected] Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/8bf74967dab1b368f4e217c960ede1516c42a989 Modified Files -------------- contrib/pageinspect/brinfuncs.c | 3 +- src/backend/access/brin/brin.c | 24 +++++++---- src/backend/access/brin/brin_pageops.c | 4 +- src/backend/access/brin/brin_tuple.c | 77 +++++++++++++++++++++------------- src/include/access/brin_tuple.h | 12 ++++-- 5 files changed, 78 insertions(+), 42 deletions(-) -- Sent via pgsql-committers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
