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Tom Lane 5d5087363d Replace the BufMgrLock with separate locks on the lookup hashtable and ... the freelist, plus per-buffer spinlocks that protect access to individual shared buffer headers. This requires abandoning a global freelist (since the freelist is a global contention point), which shoots down ARC and 2Q as well as plain LRU management. Adopt a clock sweep algorithm instead. Preliminary results show substantial improvement in multi-backend situations.		21 years ago
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access	Remove some no-longer-needed kluges for bootstrapping, in particular	21 years ago
bootstrap	Add code to prevent transaction ID wraparound by enforcing a safe limit	21 years ago
catalog	Replace the BufMgrLock with separate locks on the lookup hashtable and	21 years ago
commands	Replace the BufMgrLock with separate locks on the lookup hashtable and	21 years ago
executor	Fix SPI cursor support to allow scanning the results of utility commands	21 years ago
lib	Replace the use of "0" with "NULL" where appropriate in dllist.c, for	21 years ago
libpq	Finish up the flat-files project: get rid of GetRawDatabaseInfo() hack	21 years ago
main	Tag appropriate files for rc3	21 years ago
nodes	Generalize TRUNCATE to support truncating multiple tables in one	21 years ago
optimizer	Another go at making pred_test() handle all reasonable combinations	21 years ago
parser	Use _() macro consistently rather than gettext(). Add translation	21 years ago
po	Translation updates	21 years ago
port	Fix bit-rot in ipc_test.c; it didn't include some stuff that pg_shmem.c	21 years ago
postmaster	Replace the BufMgrLock with separate locks on the lookup hashtable and	21 years ago
regex	Install Tcl regex fixes to sync our regex engine with Tcl 8.4.8 (up from	21 years ago
rewrite	Change heap_modifytuple() to require a TupleDesc rather than a	21 years ago
storage	Replace the BufMgrLock with separate locks on the lookup hashtable and	21 years ago
tcop	Use _() macro consistently rather than gettext(). Add translation	21 years ago
utils	Replace the BufMgrLock with separate locks on the lookup hashtable and	21 years ago
Makefile	On Windows, set the postmaster executable's stack size to 4MB, so that	21 years ago
nls.mk	New translation	21 years ago