public inbox for [email protected]
help / color / mirror / Atom feedFrom: sud <[email protected]>
To: Simon Elbaz <[email protected]>
To: Laurenz Albe <[email protected]>
Cc: yudhi s <[email protected]>
Cc: pgsql-general <[email protected]>
Subject: Re: Long running query causing XID limit breach
Date: Wed, 5 Jun 2024 13:09:12 +0530
Message-ID: <CAD=mzVVhE4Y637XOkqK1yMzP6U2aRhBi5xTcEZw6_Ppppb6mqA@mail.gmail.com> (raw)
In-Reply-To: <CAPOUM=cxpEaN9kSHnBAQFuiMKJ7iyD7+u4wS5djY-ZWRpo_Log@mail.gmail.com>
References: <CAD=mzVXR3GjM0vcthMBwEdbOKqSKcv8oojSS9coczWRi9BRYTA@mail.gmail.com>
<[email protected]>
<CAD=mzVVvK8xk-9m8h3Xu27cGN7BW329HKYdO+0EMXfWvSD3AGA@mail.gmail.com>
<[email protected]>
<CAD=mzVVqR-mKUFHetsejFWSPQPbLjTVhCmBebJTFX5XmYp+nGg@mail.gmail.com>
<[email protected]>
<CAD=mzVXRkNM6ATTtnCsZeA0sfD6S_UPU=i6vfMTfoTBuT0pKTw@mail.gmail.com>
<CAEzWdqdix_ftiUuPJp_LZ3QjB6rDmHVfxtdVMOn+akhMAWEOGw@mail.gmail.com>
<[email protected]>
<CAEzWdqdPnErdeg6xe=zf7aF-fGy0Z42vXEm6zE6Ok25o=f6a7Q@mail.gmail.com>
<[email protected]>
<CAD=mzVU7Ry7xhZ=Kra4N87ugvAUubwGFqnLtXbcvy8yJasOVPQ@mail.gmail.com>
<CAPOUM=cxpEaN9kSHnBAQFuiMKJ7iyD7+u4wS5djY-ZWRpo_Log@mail.gmail.com>
On Wed, 5 Jun, 2024, 12:39 pm Simon Elbaz, <[email protected]> wrote:
> Hi,
>
> I am following this very interesting thread.
>
> From the documentation
> https://www.postgresql.org/docs/current/runtime-config-client.html#GUC-IDLE-IN-TRANSACTION-SESSION-T...,
> the 0 value will disable the timeout (not -1).
>
>
>
> On Wed, Jun 5, 2024 at 8:25 AM sud <[email protected]> wrote:
>
>> Hello Laurenz,
>>
>> Thank you so much.This information was really helpful for us
>> understanding the working of these parameters.
>>
>> One follow up question i have , as we are setting one of the
>> standby/replica with value idle_in_transaction_session_timeout=-1 which can
>> cause the WAL's to be heavily backlogged in a scenario where we have a
>> query running for very long time on that instance. So in that case will
>> there be chances of instance restart and if that can be avoided anyway?
>>
>> And the plan is to set these system parameters with different values in
>> writer/read replica , so in that case if we apply the "alter system"
>> command on the primary , won't the WAL going to apply those same commands
>> forcibly on reader instance making those same as the writer instance
>> configuration( but we want the reader replica configuration to be different
>> from writer)?
>>
>> Appreciate your guidance.
>>
>>
>
My apologies. I was meant to say setting up "max_standby_streaming_delay"
To -1. Which means unlimited lag.
>
view thread (8+ messages) latest in thread
reply
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: [email protected]
Cc: [email protected], [email protected], [email protected], [email protected], [email protected]
Subject: Re: Long running query causing XID limit breach
In-Reply-To: <CAD=mzVVhE4Y637XOkqK1yMzP6U2aRhBi5xTcEZw6_Ppppb6mqA@mail.gmail.com>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox