Thank you so much. So basically this application is an enterprise app with
24/7 users(doing DML and querying both) and is currently in Oracle on
premise database. It has data in the range of ~20-30TB and the queries will
be happening 24/7 on this database. It's an OLTP app. And ofcourse lower
David Rowley writes:
> It would be possible to have some sort of MergeExcept operator and
> have the planner consider that. Unfortunately, since the upper planner
> was changed a few years ago to have it consider paths the same as the
> join planner does, nobody has yet come back to the union
I was working with a user and was looking for a convenient and secure
method of password storage for `psql`. I was reminded of the various
options, `-p password`, PGPASSWORD, .pgpass and so on. I was thinking it
would be cool if psql/libpq could interact with the system keyring on linux
systems,
On Wed, 1 Nov 2023 at 11:41, Dimitrios Apostolou wrote:
> I'm wondering why the planner doesn't see that the left table is very small
> and follow a different path.
> From an abstract computer science POV, I would
>
> 1. sort the left table (the right one is already indexed)
> 2. "merge" the
On Tue, Oct 31, 2023 at 3:41 PM Dimitrios Apostolou wrote:
>
> Is this worth a bug report? I can file one if the issue is not known.
> Or am I misunderstanding the implications of the SELECT-EXCEPT query?
>
> In the meantime I have replaced the query with a LEFT OUTER JOIN which
> performs much
Hello list,
I'm getting an inefficient query plan for a SELECT ... EXCEPT ... query,
where the left side is a very short table (even zero-length sometimes, but
also also rarely can be as long as 200K rows), and the right side is a
table with 10M UNIQUE NOT NULL rows:
\d test_datatags
Hello all,
We are planning to use aurora Postgres for a few applications. But wanted
some guidance on which instance, class type should we use for lower
environment/non prod like Dev/Qa/Uat/perf and what should we use for
production database? Is there some recommendation based on usage etc. for
Hi Alexander,
> On Oct 30, 2023, at 19:49, Alexander Kukushkin wrote:
> That's not what I said.
That's why I asked. Because you used the word orthogonal. 藍
> Patroni only manages Postgres. It is exactly the same Postgres as you would
> run it without Patroni.
> Everything will work.
Now that
On Tue, 2023-10-31 at 08:23 +0100, Luca Ferrari wrote:
> What puzzled me was that such xmax was non-zero for a
> while (days). Inspecting pg_class.reloptions I found that accidentally
> (?) disabled autovacuum on such table, my fault!
> I should have checked pg_stat_user_tables at first!
VACUUM
On Mon, Oct 30, 2023 at 1:54 PM Guillaume Lelarge
wrote:
> There are many reasons for a non-zero value: row updated or deleted in a
> rollbacked transaction, row updated or deleted in a current transaction, row
> locked by a SELECT FOR UPDATE, and perhaps others I don't remember right now.
>
10 matches
Mail list logo
