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Tom Lane fab2af30d6 Fix leakage of cost_limit when multiple autovacuum workers are active. ... When using default autovacuum_vac_cost_limit, autovac_balance_cost relied on VacuumCostLimit to contain the correct global value ... but after the first time through in a particular worker process, it didn't, because we'd trashed it in previous iterations. Depending on the state of other autovac workers, this could result in a steady reduction of the effective cost_limit setting as a particular worker processed more and more tables, causing it to go slower and slower. Spotted by Simon Poole (bug #5759). Fix by saving and restoring the GUC variables in the loop in do_autovacuum. In passing, improve a few comments. Back-patch to 8.3 ... the cost rebalancing code has been buggy since it was put in.		15 years ago
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backend	Fix leakage of cost_limit when multiple autovacuum workers are active.	15 years ago
bin	Translation updates for 8.4.5	15 years ago
include	The GiST scan algorithm uses LSNs to detect concurrent pages splits, but	15 years ago
interfaces	Fix ecpg test building process to not generate *.dSYM junk on Macs.	15 years ago
makefiles	Allow out-of-tree builds on mingw and cygwin	17 years ago
pl	Fix aboriginal mistake in plpython's set-returning-function support.	15 years ago
port	Tag 8.4.5	15 years ago
template	Tweak configure to attempt to add -qnoansialias to CFLAGS whenever running	17 years ago
test	Reduce recursion depth in recently-added regression test.	15 years ago
timezone	Convert cvsignore to gitignore, and add .gitignore for build targets.	15 years ago
tools	Remove excess argument to open(2).	15 years ago
tutorial	Remove copyright mention of Andrew Yu, per author's permission.	16 years ago
.gitignore	Convert cvsignore to gitignore, and add .gitignore for build targets.	15 years ago
DEVELOPERS	Replace a couple of references to files that no longer exist in the source	17 years ago
Makefile	Add the possibility to specify an explicit validator function for foreign-data	17 years ago
Makefile.global.in	Fix the makefiles to fail cleanly if Perl is needed but not present. This	17 years ago
Makefile.shlib	Allow out-of-tree builds on mingw and cygwin	17 years ago
bcc32.mak	…
nls-global.mk	Do not msgmerge against /dev/null; merge against the pot file itself	17 years ago
win32.mak	…