数据库复制播放.1.2.4

Question

I want to create a database replication, like a Master/Slave Databases for my play 1.2.4 framework app. I'm using PostgreSQL. Any guidance in this regard would be highly appreciated

Answer 1

You could use the native replication from PostgreSQL (available as of version 9.0), works fine. repmgr makes things easier to setup and maintain, also for automatic failover.

PostgreSQL supports asynchronous replication (as of 9.0) and synchronous replication ( as of 9.1 ).

Answer 2

Since you mention Play 1.2, you may be using the default in-memory H2 database that comes with it and want to replicate data to PostgreSQL. In any case, take a look at SymmetricDS an open-source database replication engine that supports most databases, including H2 and PostgreSQL. It supports master/slave and also multi-master with conflict management. It is asynchronous replication that can work across a WAN, so it won't slow down your application if the network is slow or intermittent. Since it supports replication between different database systems, you can change your platform in the future if needed.