Re: Aurora PostgreSQL Support

If you are ready for some Bugs that you don't find in Community PostgreSQL,
then you may feel free to think of it.

One of the latest unfixed Aurora PostgreSQL 12 bugs is reproduced and
documented in this blog post.

https://www.migops.com/blog/2021/02/15/a-bug-on-aurora-postgresql-12-causes-autovacuum-to-hang-forever/

On Fri, Feb 19, 2021 at 8:34 AM dbatoCloud Solution <dbatocloud17(at)gmail(dot)com>
wrote:

> Dear Rakesh
>
> Prince is correct.
>
> @Rakesh T # The below parameter value cannot be changed in aurora
> database. I tried to change in parameter group level but there is no option
> even I checked with AWS
> It is not possible to change this setting. In our environment is Dataware
> where we are having huge DML,Select & I/O happening I asked AWS to
> support/give Dataware house best practice
> so that I can follow but no support from AWS.
>
> min_wal_size
> max_wal_size
> effective_io_concurrency
> checkpoint_completion_target
>
>
>
> It can be done in the community version.
>
>
> My suggestion better to go-ahead with RDS-PostgreSQL, or EC2-> PostgreSQL
> but not Aurora postgreSQL.
>
>
>
>
>
> Thanks & Best Wishes,
>
> Ashok
>
>
>
>
> ---------------------------------------------------------------------------------------------------------------------
>
> Ashokkumar Mani *(OCP12c/11g/10g/9i, AWS SAA, M103)*
>
> *Dubai** , UAE* *| BLR , INDIA*
>
> M: *+971 54 723 0075 *| *+91 90086 70302 | *WApp :* +91 81975 99922*
>
> W: https://dbatocloudsolution.blogspot.in/
> <http://dbatocloudsolution.blogspot.in/> | E: dbatocloud17(at)gmail(dot)com
>
>
> On Thu, Feb 18, 2021 at 11:47 AM Prince Pathria <
> prince(dot)pathria(at)goevive(dot)com> wrote:
>
>> One of the issues I faced in the past is limited(not expandable) tmp
>> storage. If your query is huge, it may fail.
>> AWS docs don't tell such things explicitly so have intensive testing on
>> Aurora before planning to migrate.
>> RDS seems to be a safe choice.
>>
>> Quoting from the doc - "Each Aurora DB instance contains a limited
>> amount of local storage that is determined by the DB instance class.
>> Typically, the amount of local storage is twice the amount of memory on the
>> DB instance."
>> ref.
>> https://aws.amazon.com/premiumsupport/knowledge-center/postgresql-aurora-storage-issue/
>>
>>
>> Happy to help :)
>> Prince Pathria Cloud Engineer II| Certified Kubernetes Administrator |
>> AWS Certified Solutions Architect Evive +91 9478670472 goevive.com
>>
>>
>> On Thu, Feb 18, 2021 at 11:33 AM dbatoCloud Solution <
>> dbatocloud17(at)gmail(dot)com> wrote:
>>
>>> Hi Rakesh
>>> I would suggest to go for EC2 then install PostgreSQL then use it. I am
>>> facing lot of problems in Aurora PostgreSQL
>>>
>>> Thanks
>>> Ashok
>>>
>>> On Thu, Feb 18, 2021, 10:04 Rakesh T <aryan(dot)goti(at)gmail(dot)com> wrote:
>>>
>>>> Hi Listeres,
>>>>
>>>> I am looking for suggestions from people who have experience with
>>>> Aurora PostgreSQL.
>>>>
>>>> I work as a database admin in my company. We are migrating some of our
>>>> Oracle databases to Aurora PostgreSQL. Since this falls under the RDS
>>>> category I understand that the majority of the admin work will be managed
>>>> by AWS team itself. But from a business unit perspective, they are looking
>>>> for support from my team with regards to general BU work and performance
>>>> and tuning. Can someone shed some light on possible areas which we can
>>>> support in the RDS Aurora PostgreSQL world?
>>>>
>>>> Thanks in Advance!
>>>>
>>>> Thanks,
>>>> Goti
>>>>
>>>

--
Regards,
Avinash Vallarapu
MigOps Inc.
CEO.