On 03/30/2017 03:10 AM, Moreno Andreo wrote:
Hi everyone,
I was googling around while searching stuff to finish my cluster
solution (already running in production in single-server mode) with
barman and pgbouncer, when I ran into this
https://hackernoon.com/postgresql-cluster-into-kubernetes-cluster-f353cde212de
Since I'm on Google Cloud Platform, I thought it would be a good idea to
see what it offers. After a quick read, I found a comment saying
*"There was a series of comments by Kelsey Hightower about running
databases in Kubernetes, both at conferences and on Twitter; he
essentially says that you should absolutely NOT run your database in a
container/kubernetes pod/service/deployment, as databases aren't built
for type of dynamic scheduling that something like kubernetes (or any
other container management solution), due to how they interact with the
filesystem, network stack, and more.*
*Further more, he suggests that because of this lack of integration,
that if you do run your database in kubernetes/docker, you are very
likely to encounter data corruption and data loss"*
What's your advice?
I don't us eKubernetes, but I do know one of the former members of the
Postgres Core does:
https://opensource.com/article/17/2/stateful-applications
and delivered a talk at Scale15x on it:
http://www.socallinuxexpo.org/scale/15x/presentations/ccp-containerized-clustered-postgres
https://www.youtube.com/watch?v=mxmZv9xkc8s
Go to about 3 minutes in on the video as there are sound/video issues
before that.
Thanks in advance,
Moreno
--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx
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