| From: | Stephen Frost <sfrost(at)snowman(dot)net> |
|---|---|
| To: | Greg Stark <stark(at)mit(dot)edu> |
| Cc: | Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Providing catalog view to pg_hba.conf file - Patch submission |
| Date: | 2015-03-02 19:42:41 |
| Message-ID: | 20150302194241.GW29780@tamriel.snowman.net |
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| Lists: | pgsql-hackers |
* Greg Stark (stark(at)mit(dot)edu) wrote:
> On Mon, Mar 2, 2015 at 4:36 PM, Greg Stark <stark(at)mit(dot)edu> wrote:
> >
> > So I didn't get the memo about SFRM_Materialize. Here's a rewrite of this using that interface which seems to test ok up to 100k. At that point I start running into memory errors on reading the HBA file so I guess that's an indication that's large enough to stop worrying about it.
>
> Hm. I'm wondering why I'm getting out of memory errors now with just
> 25k lines in pg_hba.conf. It looks like the HbaLine struct is "only"
> 472 bytes so the list should only be occupying about 11MB. In fact
> it's occupying about a gigabyte:
Uh, maybe because it's trying to allocate over 1GB and palloc() doesn't
support that?
Thanks,
Stephen
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