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Re: AWS DMS Expecting Logical Replication for Non RDS
4+ messages / 4 participants
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* Re: AWS DMS Expecting Logical Replication for Non RDS
@ 2018-06-05 13:41  bala jayaram <balajayaram22@gmail.com>
  0 siblings, 3 replies; 4+ messages in thread

From: bala jayaram @ 2018-06-05 13:41 UTC (permalink / raw)
  To: pgsql-admin

Hi Team,

Any update on this please?

Thanks
Bala

On Thu, May 31, 2018 at 2:44 PM, bala jayaram <balajayaram22@gmail.com>
wrote:

> Hi Team,
>
> Recently we tried to migrate EC2/Postgres with Master/2Slave (Streaming
> Replication /Hot_standby) into Native RDS based server. But while we try to
> use Database Migration Service, our aim is to use one of slave as SOURCE
> for DMS , So AWS/DMS requires that in source machine to be with two
> parameters changed - max_replication_slot > 0 & wal_level = logical.  If i
> change those parameters in Slave, will the master will recognize slave with
> Logical streaming?  Am not sure master with Streaming Replication(Physical)
> will Sync with Slave with Logical Replication?
>
> Also if change physical streaming to Logical Streaming, will there be any
> change in data blocks or data in postgres?
>
> Thanks
> Bala
>

^ permalink  raw  reply  [nested|flat] 4+ messages in thread

* Re: [MASSMAIL]Re: AWS DMS Expecting Logical Replication for Non RDS
@ 2018-06-05 13:44  gilberto.castillo@etecsa.cu
  parent: bala jayaram <balajayaram22@gmail.com>
  2 siblings, 0 replies; 4+ messages in thread

From: gilberto.castillo@etecsa.cu @ 2018-06-05 13:44 UTC (permalink / raw)
  To: bala jayaram <balajayaram22@gmail.com>; +Cc: pgsql-admin

See you, Please

https://medium.com/@gilbertocastillo

El 2018-06-05 09:41, bala jayaram escribió:
> Hi Team,
> 
> Any update on this please?
> 
> Thanks
> Bala
> 
> On Thu, May 31, 2018 at 2:44 PM, bala jayaram
> <balajayaram22@gmail.com> wrote:
> 
>> Hi Team,
>> 
>> Recently we tried to migrate EC2/Postgres with Master/2Slave
>> (Streaming Replication /Hot_standby) into Native RDS based server.
>> But while we try to use Database Migration Service, our aim is to
>> use one of slave as SOURCE for DMS , So AWS/DMS requires that in
>> source machine to be with two parameters changed -
>> max_replication_slot > 0 & wal_level = logical.  If i change those
>> parameters in Slave, will the master will recognize slave with
>> Logical streaming?  Am not sure master with Streaming
>> Replication(Physical) will Sync with Slave with Logical Replication?
>> 
>> 
>> Also if change physical streaming to Logical Streaming, will there
>> be any change in data blocks or data in postgres?
>> 
>> Thanks
>> Bala




^ permalink  raw  reply  [nested|flat] 4+ messages in thread

* Re: AWS DMS Expecting Logical Replication for Non RDS
@ 2018-06-05 16:42  Magnus Hagander <magnus@hagander.net>
  parent: bala jayaram <balajayaram22@gmail.com>
  2 siblings, 0 replies; 4+ messages in thread

From: Magnus Hagander @ 2018-06-05 16:42 UTC (permalink / raw)
  To: bala jayaram <balajayaram22@gmail.com>; +Cc: pgsql-admin

Hi!

This sounds like questions about a proprietary service from AWS. You are
probably better off directing your questions to their support, as they have
a lot more experience with it.

//Magnus


On Tue, Jun 5, 2018 at 3:41 PM, bala jayaram <balajayaram22@gmail.com>
wrote:

> Hi Team,
>
> Any update on this please?
>
> Thanks
> Bala
>
> On Thu, May 31, 2018 at 2:44 PM, bala jayaram <balajayaram22@gmail.com>
> wrote:
>
>> Hi Team,
>>
>> Recently we tried to migrate EC2/Postgres with Master/2Slave (Streaming
>> Replication /Hot_standby) into Native RDS based server. But while we try to
>> use Database Migration Service, our aim is to use one of slave as SOURCE
>> for DMS , So AWS/DMS requires that in source machine to be with two
>> parameters changed - max_replication_slot > 0 & wal_level = logical.  If i
>> change those parameters in Slave, will the master will recognize slave with
>> Logical streaming?  Am not sure master with Streaming Replication(Physical)
>> will Sync with Slave with Logical Replication?
>>
>> Also if change physical streaming to Logical Streaming, will there be any
>> change in data blocks or data in postgres?
>>
>> Thanks
>> Bala
>>
>
>

^ permalink  raw  reply  [nested|flat] 4+ messages in thread

* Re: AWS DMS Expecting Logical Replication for Non RDS
@ 2018-06-05 23:41  Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
  parent: bala jayaram <balajayaram22@gmail.com>
  2 siblings, 0 replies; 4+ messages in thread

From: Peter Eisentraut @ 2018-06-05 23:41 UTC (permalink / raw)
  To: bala jayaram <balajayaram22@gmail.com>; pgsql-admin

On 6/5/18 09:41, bala jayaram wrote:
>     Recently we tried to migrate EC2/Postgres with Master/2Slave
>     (Streaming Replication /Hot_standby) into Native RDS based server.
>     But while we try to use Database Migration Service, our aim is to
>     use one of slave as SOURCE for DMS , So AWS/DMS requires that in
>     source machine to be with two parameters changed -
>     max_replication_slot > 0 & wal_level = logical.  If i change those
>     parameters in Slave, will the master will recognize slave with
>     Logical streaming?  Am not sure master with Streaming
>     Replication(Physical) will Sync with Slave with Logical Replication? 

Changing wal_level and max_replication_slots on the standby does not
affect how the primary ships the data.  The setup you are describing
sounds fine.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services




^ permalink  raw  reply  [nested|flat] 4+ messages in thread


end of thread, other threads:[~2018-06-05 23:41 UTC | newest]

Thread overview: 4+ messages (download: mbox mbox.gz follow: Atom feed)
-- links below jump to the message on this page --
2018-06-05 13:41 Re: AWS DMS Expecting Logical Replication for Non RDS bala jayaram <balajayaram22@gmail.com>
2018-06-05 13:44 ` gilberto.castillo@etecsa.cu
2018-06-05 16:42 ` Magnus Hagander <magnus@hagander.net>
2018-06-05 23:41 ` Peter Eisentraut <peter.eisentraut@2ndquadrant.com>

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