| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
| Cc: | Arthur Zakirov <a(dot)zakirov(at)postgrespro(dot)ru>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Ildus Kurbangaliev <i(dot)kurbangaliev(at)postgrespro(dot)ru>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [PROPOSAL] Shared Ispell dictionaries |
| Date: | 2018-03-19 01:34:38 |
| Message-ID: | 20180319013438.s7jf3kwwwy6m7hqk@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi,
On 2018-03-19 01:52:41 +0100, Tomas Vondra wrote:
> I do agree with that. We have a working well-understood dsm-based
> solution, addressing the goals initially explained in this thread.
Well, it's also awkward and manual to use. I do think that's something
we've to pay attention to.
> I wonder how much of this patch would be affected by the switch from dsm
> to mmap? I guess the memory limit would get mostly irrelevant (mmap
> would rely on the OS to page the memory in/out depending on memory
> pressure), and so would the UNLOAD/RELOAD commands (because each backend
> would do it's own mmap).
Those seem fairly major.
Greetings,
Andres Freund
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