Re: [HACKERS] posmaster failed under high load
От | Oleg Bartunov |
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Тема | Re: [HACKERS] posmaster failed under high load |
Дата | |
Msg-id | Pine.GSO.3.96.SK.990505075531.8464C-100000@ra обсуждение исходный текст |
Ответ на | Re: [HACKERS] posmaster failed under high load (Bruce Momjian <maillist@candle.pha.pa.us>) |
Ответы |
Re: [HACKERS] posmaster failed under high load
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Список | pgsql-hackers |
On Tue, 4 May 1999, Bruce Momjian wrote: > Date: Tue, 4 May 1999 21:35:56 -0400 (EDT) > From: Bruce Momjian <maillist@candle.pha.pa.us> > To: Oleg Bartunov <oleg@sai.msu.su> > Cc: Tatsuo Ishii <t-ishii@sra.co.jp>, hackers@postgreSQL.org > Subject: Re: [HACKERS] posmaster failed under high load > > > My machine was very-very load during this test - I saw peak > > load about 65, a lot of swapping but test completes and system > > after 20 minutes of swapping remains usable. I still saw many > > postmasters (not postgres) processes running but after about > > 30-40 minutes they gone. Actually pstree -a now shows > > > > |-postmaster -i -B 1024 -S -D/usr/local/pgsql/data/ -o -Fe > > | |-(postmaster) > > | `-postmaster > > ps should show our process listing display change. They are postgres > processes, but without the exec() call we used to do, it shows this way > only on OS's that don't support ps arg display changes from inside the > process. No, it does on Linux.5159 ? S 0:00 postmaster -i -B 1024 -S -D/usr/local/pgsql/data/ -o -Fe 5168 ? S 0:00 /usr/local/pgsql/bin/postgreslocalhost httpd apod idle 5169 ? S 0:00 /usr/local/pgsql/bin/postgres localhost httpd apodidle 5170 ? S 0:00 /usr/local/pgsql/bin/postgres localhost httpd apod idle 5171 ? S 0:00 /usr/local/pgsql/bin/postgreslocalhost httpd apod idle That's why I noticed 10 or more (postmaster) processes, which eventually gone after 30-40 minutes. Oleg > > > > -- > 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, Pennsylvania 19026 > _____________________________________________________________ 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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