Actually I got it solved, I recompiled the kernel adding the options below:
options SYSVSHM
options SYSVSEM
options SYSVMSG
options SHMMAXPGS=65536
options SEMMNI=40
options SEMMNS=240
options SEMUME=40
options SEMMNU=120
And I made the following modifications to postgresql.conf:
shared_buffers = 4096
max_fsm_relations = 1024
max_fsm_pages = 16384
sort_mem = 4096
I was tthen able to increase it, I only set maxconnections to 200, because I'm using database pooling to manage connections which I'm only using 80 connections max.
Thanks.
Gaetano Mendola <mendola@bigfoot.com> wrote:
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Roberto De Shong wrote:
| I have installed PostgreSQL 7.3 on FreeBSD 4.10 Stable, and have been
| trying to increase the max connections. the most I'm able to is 40, if I
| increase it any higher I'm unable to start the database. Is there any
| tip, s hte any guide where I can get an idea of the other values to set
| in postgresql.conf for increasing max connections? I had also recompile
| the kernel and changed maxusers from 0 to 64. I'm not sure if increasing
| it even more would allow me increase connections. Would appreciate some
| help, thanks.
Most likely you are out of shared memory segments that you OS allow.
If you are on Linux try to pump-up shmmax and shmall
Regards
Gaetano Mendola
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Roberto De Shong
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