Re: logical decoding cannot be used while in recovery 9.5

From: Andres Freund <andres(at)anarazel(dot)de>
To: bala jayaram <balajayaram22(at)gmail(dot)com>
Cc: pgsql-admin <pgsql-admin(at)postgresql(dot)org>
Subject: Re: logical decoding cannot be used while in recovery 9.5
Date: 2018-07-20 15:12:17
Message-ID: 20180720151217.wxqpbytoiizdm6ml@alap3.anarazel.de
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Hi,

Please don't top-quote.

On 2018-07-20 07:18:28 -0400, bala jayaram wrote:
> It would be great if could response on this? we are in mid of migration
> from Postgres9.5 to RDS of AWS using DMS

This isn't free RDS / DMS support. In fact, we can only make informed
inferences on how they actually work, given they're closed source tools.

> > we are getting this error "logical decoding cannot be used while in
> > recovery" when using AWS DMS in one of the slave which is in logical as
> > wal_level. AWS DMS job is not running due to the above error. After seeing
> > the forums, we cannot use standby slave for logical decoding. Is this issue
> > fixed? currently we are in 9.5

No, logical decoding cannot be used on a standby. There's ongoing work
in changing that, but it's not yet supported.

Greetings,

Andres Freund

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