Nice work! From initdb.sh:
for nbuffers in 1000 900 800 700 600 500 400 300 200 100 50
do
TEST_OPT="$PGSQL_OPT -c shared_buffers=$nbuffers -c max_connections=5"
if "$PGPATH"/postgres -boot -x0 $TEST_OPT template1 </dev/null >/dev/null 2>&1
then
break
fi
done
---------------------------------------------------------------------------
Tom Lane wrote:
> CVSROOT: /cvsroot
> Module name: pgsql-server
> Changes by: tgl@svr1.postgresql.org 03/07/14 17:00:24
>
> Modified files:
> doc/src/sgml : runtime.sgml
> src/backend/port: sysv_shmem.c
> src/backend/utils/init: postinit.c
> src/backend/utils/misc: postgresql.conf.sample
> src/bin/initdb : initdb.sh
>
> Log message:
> The default values for shared_buffers and max_connections are now 1000
> and 100 respectively, if the platform will allow it. initdb selects
> values that are not too large to allow the postmaster to start, and
> places these values in the installed postgresql.conf file. This allows
> us to continue to start up out-of-the-box on platforms with small SHMMAX,
> while having somewhat-realistic default settings on platforms with
> reasonable SHMMAX. Per recent pghackers discussion.
>
>
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--
Bruce Momjian | http://candle.pha.pa.us
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