Re: [HACKERS] GEQO optimizer (was Re: Backend message type 0x44 arrived while idle)
От | Oleg Bartunov |
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Тема | Re: [HACKERS] GEQO optimizer (was Re: Backend message type 0x44 arrived while idle) |
Дата | |
Msg-id | Pine.GSO.3.96.SK.990517193708.15218M-100000@ra обсуждение исходный текст |
Ответ на | Re: [HACKERS] GEQO optimizer (was Re: Backend message type 0x44 arrived while idle) (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Obtaining a backtrace (was Re: [HACKERS] GEQO optimizer)
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Список | pgsql-hackers |
On Mon, 17 May 1999, Tom Lane wrote: > Date: Mon, 17 May 1999 11:24:31 -0400 > From: Tom Lane <tgl@sss.pgh.pa.us> > To: Oleg Bartunov <oleg@sai.msu.su> > Cc: pgsql-hackers@postgreSQL.org > Subject: Re: [HACKERS] GEQO optimizer (was Re: Backend message type 0x44 arrived while idle) > > Oleg Bartunov <oleg@sai.msu.su> writes: > > it seems that was my fault, I didn't specified @nitems (sizes of tables) > > for all tables. Now it works fine. > > Tom, in case of my fault, why did postgres die ? > > I don't know --- I don't see it here. I just ran your script as given, > and it worked. (It produced zero rows of output, since the missing > nitems values meant that no data was loaded into the last few tables ... > but there was no backend crash.) > > Is it crashing because of running out of memory, or something else? No, memory is fine. It just dies. > Can you provide a backtrace? Will try to reproduce crash,. How do I can debug psql ? > > regards, tom lane > _____________________________________________________________ Oleg Bartunov, sci.researcher, hostmaster of AstroNet, Sternberg Astronomical Institute, Moscow University (Russia) Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/ phone: +007(095)939-16-83, +007(095)939-23-83
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