Re: [HACKERS] max_files_per_processes vs others uses of filedescriptors

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От Andres Freund
Тема Re: [HACKERS] max_files_per_processes vs others uses of filedescriptors
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Msg-id 20170807214041.cbgo7khgjinvefay@alap3.anarazel.de
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Ответ на Re: [HACKERS] max_files_per_processes vs others uses of file descriptors  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: [HACKERS] max_files_per_processes vs others uses of file descriptors  (Tom Lane <tgl@sss.pgh.pa.us>)
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Hi,

On 2017-08-07 17:30:13 -0400, Tom Lane wrote:
> Meh.  The lack of field complaints about this doesn't indicate to me that
> we have a huge problem, and in any case, just increasing NUM_RESERVED_FDS
> would do nothing for the system-wide limits.

Howso? Via count_usable_fds() we test for max_files_per_process /
RLIMIT_NOFILE fds, and *then* subtract NUM_RESERVED_FDS.

- Andres

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