That's it!

Log file says "could not create shared memory segment". It also says that I should change max_connections or shared_buffers.

Error message claims that max_connections is 23, but postgresql.conf has this listed as 20. Error message claims that shared_buffers is 300, but postgresql.conf has this listed as 2400kB.

What the heck is going on here? (no, the lines in the conf file are not commented out). How do I enforce the conf file entries?

Thanks,
Eric


On Mar 29, 2009, at 8:19 PM, Tom Lane wrote:

Eric Smith <eric_h_sm...@mac.com> writes:
Yes, if I start one, but not the other, the process works just great.
It's only when trying to run both that I have a problem.

Have you looked into the postmaster logfile?

One likely idea is that you don't have shmall cranked up high enough
for two servers, which'd result in something like

FATAL:  could not create shared memory segment: Cannot allocate memory

in the postmaster log.

                        regards, tom lane


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