Re: Patch: fix lock contention for HASHHDR.mutex

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От Robert Haas
Тема Re: Patch: fix lock contention for HASHHDR.mutex
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Msg-id CA+TgmoaEJLiUJhK2zKL2wVPwDe2m_v_=D4Lp2GpDrYGpWmUQnQ@mail.gmail.com
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Ответ на Re: Patch: fix lock contention for HASHHDR.mutex  (Amit Kapila <amit.kapila16@gmail.com>)
Ответы Re: Patch: fix lock contention for HASHHDR.mutex  (Amit Kapila <amit.kapila16@gmail.com>)
Список pgsql-hackers
On Sat, Mar 19, 2016 at 12:28 AM, Amit Kapila <amit.kapila16@gmail.com> wrote:
> Won't in theory, without patch as well nentries can overflow after running
> for very long time?  I think with patch it is more prone to overflow because
> we start borrowing from other free lists as well.

Uh, I don't think so.  Without the patch, there is just one entries
counter and it goes up and down.  How would it ever overflow?

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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