| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Jeroen Ruigrok/asmodai <asmodai(at)wxs(dot)nl> |
| Cc: | Rod Taylor <rbt(at)rbt(dot)ca>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: 64-bit pgsql |
| Date: | 2003-09-05 17:08:15 |
| Message-ID: | 992.1062781695@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Jeroen Ruigrok/asmodai <asmodai(at)wxs(dot)nl> writes:
> So it does seem 7.4 places higher demand than 7.3.4 on the SysV IPC,
It should not; there is something wrong here, not merely a documentation
problem. I am wondering whether your 7.4 build fails to select a TAS()
implementation --- if so, it would fall back to implementing spinlocks
as semaphores, which would translate to a huge increase in the number of
semaphores requested, which would likely result in this symptom. Can
you strace the postmaster launch and see how many semget()s it does
before dying?
regards, tom lane
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