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From: Jethish Jethish <[email protected]>
To: Torsten Förtsch <[email protected]>
Cc: [email protected]
Subject: Re: Backup failure Postgres
Date: Thu, 23 May 2024 16:15:58 +0530
Message-ID: <CAKeSjMh3YKDkcDORDL8cE4DbwaAuWrRz_aoS1GoS-XX=Ki5KvQ@mail.gmail.com> (raw)
In-Reply-To: <CAKkG4_=V2UN62_CjRohbpZ_uxP56ai465ohNp1bt-+r41wCxig@mail.gmail.com>
References: <CAKeSjMhHx1cMSTPTP7szhyV5Mt21YuA98Q+hS9+W2nrj0U9N3Q@mail.gmail.com>
	<CAKkG4_=V2UN62_CjRohbpZ_uxP56ai465ohNp1bt-+r41wCxig@mail.gmail.com>

Hi Torsten,

I have tried by increasing the max_standby_streaming_delay but I'm facing
lag issues on the replica server.

When i increase the max_standby_streaming_delay even if a query runs for 2
minutes I'm facing lag issues for 2 minutes.

Please suggest here.
Data size is 3TB

On Thu, May 23, 2024, 3:53 PM Torsten Förtsch <[email protected]>
wrote:

> As the error message says, your query was aborted due to it conflicting
> with recovery. There are many ways to deal with that. You could enable
> hot_standby_feedback on the replica. You could disconnect the replica from
> the master for the time the COPY takes (reset primary_conninfo). You could
> increase max_standby_streaming_delay. Perhaps you could also wrap the COPY
> operation in pg_wal_replay_pause() / pg_wal_replay_resume().
>
> On Thu, May 23, 2024 at 11:59 AM Jethish Jethish <[email protected]>
> wrote:
>
>> I'm frequently facing the below error while performing backup. Someone
>> please tell how solve this issues.
>>
>>
>> Failed : pg_dump: error: Dumping the contents of table "botsession"
>> failed: PQgetResult() failed. pg_dump: error: Error message from server:
>> ERROR: canceling statement due to conflict with recovery DETAIL: User query
>> might have needed to see row versions that must be removed. pg_dump: error:
>> The command was: COPY public.botsession (id, userid, data, iscompressed) TO
>> stdout;
>>
>

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