| From: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
|---|---|
| To: | Jeff Janes <jeff(dot)janes(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, kunert(at)cms(dot)hu-berlin(dot)de, pgsql-bugs <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: BUG #16162: create index using gist_trgm_ops leads to panic |
| Date: | 2019-12-13 00:16:18 |
| Message-ID: | 20191213001618.jqeousv77xnlds7x@development |
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| Lists: | pgsql-bugs |
On Thu, Dec 12, 2019 at 07:05:53PM -0500, Jeff Janes wrote:
>On Thu, Dec 12, 2019 at 8:44 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
>>
>> I wonder if this could be a recently-introduced bug? I do not
>> recall seeing complaints like this before v12.
>>
>
>Looks like the culprit is:
>
>commit 9155580fd5fc2a0cbb23376dfca7cd21f59c2c7b
>Author: Heikki Linnakangas <heikki(dot)linnakangas(at)iki(dot)fi>
>Date: Wed Apr 3 17:03:15 2019 +0300
>
> Generate less WAL during GiST, GIN and SP-GiST index build.
>
>The commit before went 150 iterations with no failures, while this one
>failed on the 15th iteration, then again on 4th.
>
Thanks for the bisect. I've planned to try reproducing this on 11, but
this commit only in 12, so Tom is right it's a recent bug.
regards
--
Tomas Vondra http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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