Re: recovery error while running any statement

On 1/9/25 09:01, yudhi s wrote:
>
> On Thu, Jan 9, 2025 at 10:21 PM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com
> <mailto:adrian(dot)klaver(at)aklaver(dot)com>> wrote:
>
> On 1/9/25 08:42, yudhi s wrote:
> > Hello Experts,
> > It's postgres aurora version 16. While  running the ALTER command
> on any
> > object we see an error "/Only RowExclusiveLock or less can be
> acquired
> > on database objects during recovery/". If I run any DML it gives an
> > error stating '/cannot execute UPDATE in a read-only transaction/' ,
> > then I tried setting "/set transaction read-write/" and it
> erroring out
> > with "/cannot set transaction read-write mode during recovery/".
> >
> > Want to understand , what is the cause of this error and how to
> fix this?
>
> Per:
>
> https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Aurora.AuroraPostgreSQL.html <https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Aurora.AuroraPostgreSQL.html>
>
> Aurora Postgres is not the community edition, you should probably take
> this up with AWS support.
>
>
> Sure will raise a ticket. I was trying to understand though , if it's
> possible in postgres to have these sudden "recovery errors" possible
> because of some long running DML/DDL killed unexpectedly using the
> "pg_terminate/pg_cancel" command? And if this error appears in community
> postgres and if it stays for a long time what we used to do?

Since you have provided essentially zero information about your setup
there is no real way to answer the above.

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com