Re: BUG #17245: Index corruption involving deduplicated entries

On Fri, Oct 29, 2021 at 11:45 AM Peter Geoghegan <pg@bowt.ie> wrote:
>
> On Fri, Oct 29, 2021 at 11:36 AM Kamigishi Rei <iijima.yun@koumakan.jp> wrote:
> > The newly manifested issue is caught by pg_amcheck:
> >
> > btree index "azurlane_wiki.mediawiki.page_main_title":
> >      ERROR:  item order invariant violated for index "page_main_title"
> >      DETAIL:  Lower index tid=(17,157) (points to heap tid=(540,5))
> > higher index tid=(17,158) (points to heap tid=(540,5)) page lsn=2/A019DD78.

> I'm not surprised to see that it's the page table, once again. It's
> not particularly big, right? Are there other tables that are much
> larger?

BTW, can you look for autovacuum log output for the "page" table from
the logs? Then share it with the list, or at least share it with me
privately?

Thanks
-- 
Peter Geoghegan