Generational memory allocator Add new style of memory allocator, known as Generational appropriate for use in cases where memory is allocated and then freed in roughly oldest first order (FIFO).
Use new allocator for logical decoding’s reorderbuffer to significantly reduce memory usage and improve performance. Author: Tomas Vondra Reviewed-by: Simon Riggs Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/a4ccc1cef5a04cc054af83bc4582a045d5232cb3 Modified Files -------------- src/backend/replication/logical/reorderbuffer.c | 80 +-- src/backend/utils/mmgr/Makefile | 2 +- src/backend/utils/mmgr/README | 23 + src/backend/utils/mmgr/generation.c | 768 ++++++++++++++++++++++++ src/include/nodes/memnodes.h | 4 +- src/include/nodes/nodes.h | 1 + src/include/replication/reorderbuffer.h | 15 +- src/include/utils/memutils.h | 5 + 8 files changed, 819 insertions(+), 79 deletions(-)
