On 03/07/2016 07:30 AM, Tsunakawa, Takayuki wrote:
From: pgsql-hackers-ow...@postgresql.org
[mailto:pgsql-hackers-ow...@postgresql.org] On Behalf Of Mark Kirkwood
For cloud - in particular Openstack (which I am working with ATM), the
biggest thing would be:

- multi-master replication

or failing that:

- self managing single master failover (voting/quorum etc)

Hmm.... consul (optionally in a dockerized setup) ?

so that operators can essentially 'set and forget'. We currently use
Mysql+ Galera (multi master) and Mongodb (self managing single master)
and the convenience and simplicity is just so important (Openstack is a
huge complex collection of services - hand holding of any one service is
pretty much a non starter).
Yes, I was also asked whether PostgreSQL has any optional functionality like 
Galera Cluster for MySQL.  He was planning a scalable PaaS service which 
performs heavy reads and writes.  Demand exists.

AFAIK, Galera has its own set of drawbacks....


    / JL

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