Log Message:
-----------
Optimise btree delete processing when no active backends.
Clarify comments, downgrade a message to DEBUG and remove some
debug counters. Direct from ideas by Heikki Linnakangas.
Modified Files:
--------------
pgsql/src/backend/access/nbtree:
nbtxlog.c (r1.66 -> r1.67)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/nbtree/nbtxlog.c?r1=1.66&r2=1.67)
pgsql/src/backend/storage/ipc:
procarray.c (r1.65 -> r1.66)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/ipc/procarray.c?r1=1.65&r2=1.66)
standby.c (r1.17 -> r1.18)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/ipc/standby.c?r1=1.17&r2=1.18)