Re: Linux2.6 overcommit behaviour
От | Bruce Momjian |
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Тема | Re: Linux2.6 overcommit behaviour |
Дата | |
Msg-id | 200309010130.h811UqV24211@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: Linux2.6 overcommit behaviour (Andrew Dunstan <andrew@dunslane.net>) |
Ответы |
Re: Linux2.6 overcommit behaviour
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Список | pgsql-hackers |
Andrew Dunstan wrote: > I believe that the swap slot can be subsequently freed, though. In > theory your available virtual memory should be (almost) RAM+swap. In > practice, Linux can run too close to that limit, (or way over it if you > turn the checks off). But restricting the maximum possible pages to > RAM/2 + swap should normally be fine. IANAKH, though. > > Also note that the truly bad thing about the OOM killer is that it can > affect a process that is not making any new memory demands at all. How does the OOM killer kill processes, kill -9 or kill -1 and wait? -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001+ If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania19073
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