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From: Stephen Frost <sfrost@snowman.net>
To: Greg Stark <stark@mit.edu>
Cc: Haribabu Kommi <kommi.haribabu@gmail.com>
Cc: Pavel Stehule <pavel.stehule@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Subject: Re: Providing catalog view to pg_hba.conf file - Patch submission
Date: Mon, 2 Mar 2015 14:42:41 -0500
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* Greg Stark (stark@mit.edu) wrote:
> On Mon, Mar 2, 2015 at 4:36 PM, Greg Stark <stark@mit.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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  Cc: sfrost@snowman.net, stark@mit.edu, kommi.haribabu@gmail.com, pavel.stehule@gmail.com, tgl@sss.pgh.pa.us, tomas.vondra@2ndquadrant.com
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