Mr. Pierce, others,

I spoke too soon on this. I'd like to do your alter database.. command but it isn't working. I've tried:

postgres=# ALTER DATABASE ddev2 SET autovacuum = off;

both as 'postgres' user, and the ddev2 owner user (which has owner privs), and I'm always getting this error:

ERROR:  parameter "autovacuum" cannot be changed now

I've checked some documentation, tried many variations of the command, (e.g. = off, false, 0, etc.) tried other variations as well. As you can see in the above example, I'm connected to 'postgres' database. I tried 'ddev2' also, etc. The above error is *always* the response.

I'm certain that there are no other user sessions in this database.

So.. what are the magic words?   Thanks again!

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Jim Longwill
jlongw...@psmfc.org
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On 10/29/2015 12:05 PM, John R Pierce wrote:
On 10/29/2015 11:52 AM, Jim Longwill wrote:
I have a question about Postgres management. Our situation is probably similar to many data shops.

We have one (Linux) server, and one Postgres installation (v9.4), hence one Postgres process-daemon set running on the server, but we have multiple databases created: ddev1, ddev2, ddev3.

I would like to do a different vacuum configuration on ddev2 than on ddev1, such as turning off autovacuum, etc. How do I do this? E.g. how do I turn off autovacuum on one database .. using different postgres.conf files(?) or within the database, without affecting the other database(s) on the same localhost?

Is there a relatively easy way to do this?


    alter database dbname set autovacuum = false;






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