Re: [HACKERS] Re: Anyone understand shared-memory space usage?

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От Bruce Momjian
Тема Re: [HACKERS] Re: Anyone understand shared-memory space usage?
Дата
Msg-id 199902230357.WAA03016@candle.pha.pa.us
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Ответ на Re: Anyone understand shared-memory space usage?  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: [HACKERS] Re: Anyone understand shared-memory space usage?  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
> I think it's entirely likely that this set of bugs can account for flaky
> behavior seen in installations with more than 256 shared-memory buffers
> (postmaster -B > 256), more than 256 simultaneously held locks (have no
> idea how to translate that into user terms), or more than 256 concurrent
> backends.  I'm still wondering whether that might describe Daryl
> Dunbar's problem with locks not getting released, for example.

People have reported sloness/bugs with hash index lookups.  Does this
relate to that?

--  Bruce Momjian                        |  http://www.op.net/~candle maillist@candle.pha.pa.us            |  (610)
853-3000+  If your life is a hard drive,     |  830 Blythe Avenue +  Christ can be your backup.        |  Drexel Hill,
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