Re: [postgres no lnger launches

Thanks, Tom, I messed it up myself, see my other post.

Am 04.06.2012 um 01:16 schrieb Tom Lane:

> Alexander Reichstadt <lxr@mac.com> writes:
>>> So sure enough that process claimed to might be starting does not end up being a process. Where do I look for
what'sactually going on? 
>
> In the postmaster log ...
>
>>> This is the log output:
>>> 04.06.12 00:26:29,792 com.edb.launchd.postgresql-9.1:     If the request size is already small, it's possible that
itis less than your kernel's SHMMIN parameter, in which case raising the request size or reconfiguring SHMMIN is called
for.
>
> You seem to have trimmed off the useful part of this error message, but
> I'm going to take a wild guess that what is happening is (a) you have
> another postmaster running someplace, and (b) it is chewing up all the
> allowed space for shared memory.  If you have not mucked with OSX's
> default shared-memory limits then there is only enough room to run one
> postmaster at a time.  The trouble with this theory is that the other
> postmaster probably ought to be visible in ps output; I'm not sure why
> it might not be.  Anyway, try running "ipcs" to see if any SysV shared
> memory or semaphores are active.  If there are any, it's a pretty good
> tip that there's a Postgres running somewhere.
>
>             regards, tom lane
>
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