| From: | Ben Chobot <bench(at)silentmedia(dot)com> |
|---|---|
| To: | Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com> |
| Cc: | alvherre(at)2ndquadrant(dot)com, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: 12.3 replicas falling over during WAL redo |
| Date: | 2020-08-03 14:41:44 |
| Message-ID: | 81a54016-2399-3f1c-0abd-05d5522907ff@silentmedia.com |
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| Lists: | pgsql-general |
Kyotaro Horiguchi wrote on 8/2/20 9:39 PM:
> At Sat, 1 Aug 2020 09:58:05 -0700, Ben Chobot <bench(at)silentmedia(dot)com> wrote in
> All of the cited log lines seem suggesting relation with deleted btree
> page items. As a possibility I can guess, that can happen if the pages
> were flushed out during a vacuum after the last checkpoint and
> full-page-writes didn't restored the page to the state before the
> index-item deletion happened(that is, if full_page_writes were set to
> off.). (If it found to be the cause, I'm not sure why that didn't
> happen on 9.5.)
>
> regards.
We have always had full_page_writes enabled.
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