Re: WIP: WAL prefetch (another approach) - Mailing list pgsql-hackers

On Wed, Sep 02, 2020 at 02:05:10AM +1200, Thomas Munro wrote:
>On Wed, Sep 2, 2020 at 1:14 AM Tomas Vondra
><tomas.vondra@2ndquadrant.com> wrote:
>> from the archive
>
>Ahh, so perhaps that's the key.
>

Maybe. For the record, the commands look like this:

archive_command = 'gzip -1 -c %p > /mnt/raid/wal-archive/%f.gz'

restore_command = 'gunzip -c /mnt/raid/wal-archive/%f.gz > %p.tmp && mv %p.tmp %p'

>> I've tested this applied on 6ca547cf75ef6e922476c51a3fb5e253eef5f1b6,
>> and the failure seems fairly similar to what I reported before, except
>> that now it happened right at the very beginning.
>
>Thanks, will see if I can work out why.  My newer version probably has
>the same problem.

OK.


regards

-- 
Tomas Vondra                  http://www.2ndQuadrant.com
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