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from the WAL data, don't bother to physically read it; just have bufmgr.c return a zeroed-out buffer instead. This speeds recovery significantly, and also avoids unnecessary failures when a page-to-be-overwritten has corrupt page headers on disk. This replaces a former kluge that accomplished the latter by pretending zero_damaged_pages was always ON during WAL recovery; which was OK when the kluge was put in, but is unsafe when restoring a WAL log that was written with full_page_writes off. Heikki Linnakangas |
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bootstrap | ||
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commands | ||
executor | ||
lib | ||
libpq | ||
main | ||
nodes | ||
optimizer | ||
parser | ||
po | ||
port | ||
postmaster | ||
regex | ||
rewrite | ||
storage | ||
tcop | ||
utils | ||
Makefile | ||
nls.mk |