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Dhandapani Shanmugam schrieb am 06.02.2018 um 12:01:
> Do we have active-active setup in postgreSQL, like we have in oracle
> RAC?. Sorry if this question has been addressed already. What will be
> best open source HA for postgresql with zero RTO and RPO.

I think the closest to Oracle's RAC is Postgres-XL

Postgres-XL however does not make the same mistake as Oracle did, because they are not using a shared storage architecture.

https://www.2ndquadrant.com/en/resources/postgres-xl/