| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Cc: | Aleksander Alekseev <a(dot)alekseev(at)postgrespro(dot)ru>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Anastasia Lubennikova <a(dot)lubennikova(at)postgrespro(dot)ru> |
| Subject: | Re: Patch: fix lock contention for HASHHDR.mutex |
| Date: | 2016-03-19 13:32:22 |
| Message-ID: | CA+TgmoaEJLiUJhK2zKL2wVPwDe2m_v_=D4Lp2GpDrYGpWmUQnQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, Mar 19, 2016 at 12:28 AM, Amit Kapila <amit(dot)kapila16(at)gmail(dot)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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