| From: | Luca Ferrari <fluca1978(at)gmail(dot)com> |
|---|---|
| To: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
| Cc: | pgsql-general <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: questions about wraparound |
| Date: | 2021-03-30 06:38:34 |
| Message-ID: | CAKoxK+6W5QgFNwbmv4TeWvQx9H_RadqmXW-XSPks6BM2v=OmwA@mail.gmail.com |
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| Lists: | pgsql-general |
On Mon, Mar 29, 2021 at 7:12 PM Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> wrote:
> I didn't follow the rest of the thread, but autovacuum should handle
> those databases and advance their "datfrozenxid".
That did not happen.
In short: I turned off autovacuum globally, then in a database I
consumed a lot of xid while keeping a table locked. This produced a
wraparound in such database, but I was expecting emergency autovacuum
to keep other databases frozen. PostgreSQL 12.5.
Luca
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