On Wed, Oct 24, 2018 at 09:33:48 +0100,
 Tom Lane <t...@sss.pgh.pa.us> wrote:
Bruno Wolff III <br...@wolff.to> writes:
While reloading a database cluster to move from 10.5 to 11, I'm getting
out of memory crashes that I did see when doing reloads on pg 10.
The statement flagged in the log is this:
2018-10-23 16:44:34.815 CDT [126839] STATEMENT:  ALTER TABLE ONLY 
public.iplocation
            ADD CONSTRAINT overlap EXCLUDE USING spgist (network WITH &&);

Hm, there's a fair amount of new code in SP-GIST in v11, so maybe you've
hit a memory leak in that.  Can you create a self-contained test case?

I'll try. I think I should only need the geolite data to cause the problem and I can share that publicly. So far the problem seems to be happening consistently. I'll work on this at the office, but probably won't get it done until the afternoon.

If I have a substantial database dump file to provide for reproducing this do you prefer it on a web server somewhere? I expect that mailing very large attachments to the lists is a bad idea.

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