Re: 64-bit pgsql - Mailing list pgsql-hackers

From Tom Lane
Subject Re: 64-bit pgsql
Date
Msg-id 992.1062781695@sss.pgh.pa.us
Whole thread Raw
In response to Re: 64-bit pgsql  (Jeroen Ruigrok/asmodai <asmodai@wxs.nl>)
Responses Re: 64-bit pgsql  (Jeroen Ruigrok/asmodai <asmodai@wxs.nl>)
List pgsql-hackers
Jeroen Ruigrok/asmodai <asmodai@wxs.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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