Add GUCs for predicate lock promotion thresholds. Defaults match the fixed behavior of prior releases, but now DBAs have better options to tune serializable workloads.
It might be nice to be able to set this per relation, but that part will need to wait for another release. Author: Dagfinn Ilmari Mannsåker Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/c63172d60f242ad3581c83723a5b315bbe547a0e Modified Files -------------- doc/src/sgml/config.sgml | 36 ++++++++++++++++++++ doc/src/sgml/mvcc.sgml | 4 ++- src/backend/storage/lmgr/predicate.c | 48 +++++++++++++++++---------- src/backend/utils/misc/guc.c | 22 ++++++++++++ src/backend/utils/misc/postgresql.conf.sample | 4 +++ src/include/storage/predicate.h | 2 ++ 6 files changed, 98 insertions(+), 18 deletions(-) -- Sent via pgsql-committers mailing list (pgsql-committers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
