Re: [SQL] 7.4.1 install problems on OS X 10.3

From: Theodore Petrosky <tedpet5(at)yahoo(dot)com>
To: beyaRecords - The home Urban music <uzo(at)beya-records(dot)com>, pgsql -bugs <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: [SQL] 7.4.1 install problems on OS X 10.3
Date: 2003-12-29 22:05:42
Message-ID: 20031229220542.8397.qmail@web41013.mail.yahoo.com
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you will have to edit the file called 'rc' in the top
level etc folder..

in the terminal type

cd /etc
sudo pico rc
(you will be asked for an administrator password)
scroll down 2 to 3 pages and find the section like
this

# System tuning
sysctl -w kern.maxvnodes=$(echo $(sysctl -n
hw.physmem) '33554432 / 512 * 1024 +p'|dc)
sysctl -w kern.sysv.shmmax=167772160
sysctl -w kern.sysv.shmmin=1
sysctl -w kern.sysv.shmmni=32
sysctl -w kern.sysv.shmseg=8
sysctl -w kern.sysv.shmall=65536

after you change the values to look like this, type a
control-x to save and exit. restart your machine.

these are the values that I used and they work. I
don't know if these are the best settings, only that
they work..

Ted

--- beyaRecords - The home Urban music
<uzo(at)beya-records(dot)com> wrote:
> Hi,
> I have been forced to re-buid postgresql 7.4.1 but
> am encountering a
> problem when i do the following:
>
> 1. /usr/local/pgsql/bin/initdb -D
> /usr/local/pgsql/data
>
> the error I get is as follows:
>
> fixing permissions on existing directory
> /usr/local/pgsql/data... ok
> creating directory /usr/local/pgsql/data/base... ok
> creating directory /usr/local/pgsql/data/global...
> ok
> creating directory /usr/local/pgsql/data/pg_xlog...
> ok
> creating directory /usr/local/pgsql/data/pg_clog...
> ok
> selecting default max_connections... 10
> selecting default shared_buffers... 50
> creating configuration files... ok
> creating template1 database in
> /usr/local/pgsql/data/base/1... FATAL:
> could not create shared memory segment: Cannot
> allocate memory
> DETAIL: Failed system call was shmget(key=1,
> size=1081344, 03600).
> HINT: This error usually means that PostgreSQL's
> request for a shared
> memory segment exceeded available memory or swap
> space. To reduce the
> request size (currently 1081344 bytes), reduce
> PostgreSQL's
> shared_buffers parameter (currently 50) and/or its
> max_connections
> parameter (currently 10).
> The PostgreSQL documentation contains more
> information about
> shared memory configuration.
>
> initdb: failed
>
> Any ideas as to how I can rectify this, taking into
> consideration that
> I am a complete novice in the wonderful world of
> unix ;-)
>
>
> regards
>
>
> Uzo
>
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 7: don't forget to increase your free space map settings

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