Re: Synchronize the dump with a logical slot with --snapshot

From: Durgamahesh Manne <maheshpostgres9(at)gmail(dot)com>
To: pgsql-general(at)lists(dot)postgresql(dot)org, pgsql-in-general(at)postgresql(dot)org, Greg Sabino Mullane <htamfids(at)gmail(dot)com>, Koichi Suzuki <koichi(dot)dbms(at)gmail(dot)com>
Subject: Re: Synchronize the dump with a logical slot with --snapshot
Date: 2024-09-28 05:06:52
Message-ID: CAJCZkoKi3SQ0jKqQFDuOTfeE1XRmtUqtGjCB+DTacpwEuG5MQQ@mail.gmail.com
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Hi Team

Can anyone respond to my question from respected team members ?

Durga Mahesh

On Thu, Sep 26, 2024 at 2:23 AM Durgamahesh Manne <maheshpostgres9(at)gmail(dot)com>
wrote:

> Hi Team
>
> --snapshot=snapshotname
> (Use the specified synchronized snapshot when making a dump of the database
>
> This option is useful when needing to synchronize the dump with a logical
> replication slot) as per the pgdg
>
> How do we synchronize the dump with a logical replication slot with
> --snapshot?
>
> I am using the postgresql 14 version which supports only
> pg_create_logical_replication_slot. How to generate a internal snapshot
> with it ?
>
> Below CREATE_REPLICAION_SLOT not supported by postgresql 14
>
> example osdb_lsr=# CREATE_REPLICATION_SLOT lsr_sync_01 LOGICAL pgoutput;
> slot_name | consistent_point | snapshot_name | output_plugin
> -------------+------------------+---------------------+---------------
> lsr_sync_01 | 0/C000110 | 00000003-00000002-1 | pgoutput
>
> Regards,
>
> Durga Mahesh
>
>
>
> On Fri, 20 Sept, 2024, 01:27 Durgamahesh Manne, <maheshpostgres9(at)gmail(dot)com>
> wrote:
>
>> Hi Team
>>
>> --snapshot=*snapshotname*
>>
>> (Use the specified synchronized snapshot when making a dump of the
>> database
>>
>> This option is useful when needing to synchronize the dump with a logical
>> replication slot) as per the pgdg
>>
>> How do we synchronize the dump with a logical replication slot
>> with --snapshot?
>>
>> I am using the postgresql 14 version which supports only
>> pg_create_logical_replication_slot. How to generate a snapshot with it ?
>>
>> Below CREATE_REPLICAION_SLOT not supported by postgresql 14
>>
>> example osdb_lsr=# CREATE_REPLICATION_SLOT lsr_sync_01 LOGICAL pgoutput;
>> slot_name | consistent_point | snapshot_name | output_plugin
>> -------------+------------------+---------------------+---------------
>> lsr_sync_01 | 0/C000110 | 00000003-00000002-1 | pgoutput
>>
>> Regards,
>>
>> Durga Mahesh
>>
>

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