Re: FW: Hi , Semaphore problem --Pl. F1 - Mailing list pgsql-admin

From Tim Quinlan
Subject Re: FW: Hi , Semaphore problem --Pl. F1
Date
Msg-id 39A1D3CF.6D120022@home.com
Whole thread Raw
In response to FW: Hi , Semaphore problem --Pl. F1  (Moses <bluechip@giasbg01.vsnl.net.in>)
List pgsql-admin
Hmm, I just realized that Moses was referring to SCO, not Linux. Sorry.

Tim Quinlan wrote:

> You can do this in your kernel configuration.  Look for the file called sem.h
> in your kernel source code. (PATH_TO_LINUX_SOURCE/include/linux/sem.h).  Then
> you can change the values for SEMMNS (max semaphores), SEMMNI (max semaphore
> sets),
> SEMMSL (max number of semaphores per set).  Then recompile your kernel.  Please
> remember to back up the original file first though :)
>
> If your not comfortable hacking the kernel source, read up on it first.  Oracle
> recommends increasing the number of semaphores, so you could do some research
> by looking some websites dedicated to using Oracle 8i on Linux for detailed
> instructions.
>
> (Yes, I see the irony of referring to Oracle docs, so please don't flame me
> unless I'm really off-base here.)
>
> If you need more detail, you may also do well with some maillists dedicated to
> kernel modification.  The only reason I know this stuff is because I had to
> install Oracle once.
>
> Moses wrote:
>
> > HI,
> >     My name is Moses, I work as system admin in INDIA and I just got your ID
> > when I was looking out for a solution on Semaphore Problem which I am facing
> > currently. I will be greateful to u if you could help me out on this.
> >
> >    I work on SCO Openserve 5.0 .. I have Progress loaded on it .. When ever
> > I try to start more than 3 database in multiuser mode, it gives and error
> > saying that "Semaphore limit exceeded" and terminates the process. therefore
> > I am able to start only 3 databases at any given point of time. Can you help
> > me out on this of how to increase the semaphore limit, I have already tried
> > using ./configure command and increasing the values in the semaphore option
> > but in vain... Can u help me on this ? ..
> >
> >   Looking forward for your help.
> >   Thanks and regards,
> >   Moses.
> >
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