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From: Adrian Klaver <[email protected]>
To: yudhi s <[email protected]>
Cc: pgsql-general <[email protected]>
Subject: Re: recovery error while running any statement
Date: Thu, 9 Jan 2025 09:05:14 -0800
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAEzWdqcXB956YV_DjENVPtGyi3n-cUpNYkG57g4ZnZrUF2yecQ@mail.gmail.com>
References: <CAEzWdqeNp1HRJt7SkQxANB60CMhrGuJsRKtEpu-Ghb_nXUvgoQ@mail.gmail.com>
	<[email protected]>
	<CAEzWdqcXB956YV_DjENVPtGyi3n-cUpNYkG57g4ZnZrUF2yecQ@mail.gmail.com>

On 1/9/25 09:01, yudhi s wrote:
> 
> On Thu, Jan 9, 2025 at 10:21 PM Adrian Klaver <[email protected] 
> <mailto:[email protected]>> 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
[email protected]

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