Re: PgSQL74b2: initdb fails (max_connections)

This is fixed in CVS and will be in beta3.

---------------------------------------------------------------------------

Janko Richter wrote:
> On FreeBSD 5.1 using PgSQL 7.4b2 initdb failed with:
>
> su-2.05b$ ./initdb -D /data/pgsql
> The files belonging to this database system will be owned by user
> "postgres".
> This user must also own the server process.
>
> The database cluster will be initialized with locale C.
>
> fixing permissions on existing directory /data/pgsql... ok
> creating directory /data/pgsql/base... ok
> creating directory /data/pgsql/global... ok
> creating directory /data/pgsql/pg_xlog... ok
> creating directory /data/pgsql/pg_clog... ok
> selecting default shared_buffers... 1000
> selecting default max_connections... 40
> creating configuration files... ok
> creating template1 database in /data/pgsql/base/1... ./postgres -boot
> -x1 -F -D/data/pgsql template1
> FATAL: could not create semaphores: No space left on device
> DETAIL: Failed syscall was semget(4, 17, 03600).
> HINT: This error does *not* mean that you have run out of disk space.
> It occurs when either the system limit for the maximum number of
> semaphore sets (SEMMNI), or the system wide maximum number of semaphores
> (SEMMNS), would be exceeded. You need to raise the respective kernel
> parameter. Alternatively, reduce PostgreSQL's consumption of semaphores
> by reducing its max_connections parameter (currently 100).
> The PostgreSQL documentation contains more information about configuring
> your system for PostgreSQL.
>
> initdb: failed
>
>
> Why does initdb use max_connections=100, but "selecting default
> max_connections" gives 40 ?
>
> Regards,
> --
> Janko Richter
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 7: don't forget to increase your free space map settings
>

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073