Re: [HACKERS] file descriptors leak?

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От Tom Lane
Тема Re: [HACKERS] file descriptors leak?
Дата
Msg-id 2611.941491021@sss.pgh.pa.us
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Ответ на file descriptors leak?  ("Gene Sokolov" <hook@aktrad.ru>)
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"Gene Sokolov" <hook@aktrad.ru> writes:
> Seems like there is (was) a leak of file descriptors somewhere. The
> descriptors are being used up like crazy.

I fixed some problems along that line during the 6.5 cycle, and thought
the issue closed.  Perhaps the problem's come back.

> After a week of work on a small
> database (6 tables, 20 or so indexes) Postgres used up well over 800
> descriptors.

Hmm, there must be multiple descriptors open for the same file then?
That's really weird.  Can you obtain a listing of just what is open,
using lsof or some similar tool?  Even better, can you provide a
reproducible test case that will cause descriptor leakage?

Also, exactly what do you mean by "Postgres used up..." --- is this
one backend, or a total across the whole system (if so, how many
backends are we talking about here?).
        regards, tom lane


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