Add prefetch support for the undo log
authorDilip Kumar <dilipkumar@localhost.localdomain>
Wed, 24 Apr 2019 09:06:28 +0000 (14:36 +0530)
committerThomas Munro <thomas.munro@gmail.com>
Wed, 17 Jul 2019 06:55:35 +0000 (18:55 +1200)
commit8e9190898eb0cd12afea72f7ad89c192d5943e60
treed3098e4cf6dd4e6fedffc57b4078dc0f78d71c82
parent3d3565b64e2c2fd3a47c6fbdfa42d542923d44d4
Add prefetch support for the undo log

Add prefetching function for undo smgr and also provide mechanism
to prefetch without relcache.

Dilip Kumar
src/backend/postmaster/pgstat.c
src/backend/storage/buffer/bufmgr.c
src/backend/storage/smgr/undofile.c
src/include/pgstat.h
src/include/storage/bufmgr.h