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Re: log_autovacuum in Postgres 14 -- ordering issue - Mailing list pgsql-hackers

From Peter Geoghegan
Subject Re: log_autovacuum in Postgres 14 -- ordering issue
Date
Msg-id CAH2-WzmXsNmONhJbayp_iD_FbHbi2kiLqCL6ZUO1V+GQ_1ssQw@mail.gmail.com
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In response to Re: log_autovacuum in Postgres 14 -- ordering issue  (Peter Geoghegan <pg@bowt.ie>)
Responses Re: log_autovacuum in Postgres 14 -- ordering issue  (Peter Geoghegan <pg@bowt.ie>)
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On Wed, Aug 25, 2021 at 5:02 PM Peter Geoghegan <pg@bowt.ie> wrote:
> > I like it better than the current layout, so +1.
>
>  This seems like a release housekeeping task to me. I'll come up with
> a patch targeting 14 and master in a few days.

Here is a patch that outputs log_autovacuum's lines in this order:

LOG:  automatic vacuum of table "regression.public.foo": index scans: 1
        pages: 9600 removed, 0 remain, 0 skipped due to pins, 0 skipped frozen
        tuples: 2169423 removed, 0 remain, 0 are dead but not yet
removable, oldest xmin: 731
        index "foo_pkey": pages: 5951 in total, 5947 newly deleted,
5947 currently deleted, 0 reusable
        I/O timings: read: 75.394 ms, write: 76.980 ms
        avg read rate: 103.349 MB/s, avg write rate: 73.317 MB/s
        buffer usage: 47603 hits, 32427 misses, 23004 dirtied
        WAL usage: 46607 records, 1 full page images, 15841331 bytes
        system usage: CPU: user: 1.18 s, system: 0.23 s, elapsed: 2.45 s

I'll commit this in a day or two, backpatching to 14. Barring any objections.

Thanks
-- 
Peter Geoghegan
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