pg_shard v2.0 will target linear scaling and higher HA through metadata replication. If you have any questions or feedback for the project, we'd be happy to hear from you.
If you're on AWS, you can already get linear scale and full HA. This post shows a proof-of-concept: https://goo.gl/3c2GYc
pg_shard extends PostgreSQL without forking it, and it's worth a look: https://github.com/citusdata/pg_shard
pg_shard v2.0 will target linear scaling and higher HA through metadata replication. If you have any questions or feedback for the project, we'd be happy to hear from you.
If you're on AWS, you can already get linear scale and full HA. This post shows a proof-of-concept: https://goo.gl/3c2GYc