The database architecture
Liferay Portal requires storing its data on database systems. It is possible to store custom portlet data in a separate database. But for the core features of Liferay Portal, we need to connect Liferay with a database. In our reference architecture, we suggested using the MySQL cluster for this purpose. In this section, we will talk about various deployment strategies for the database server.
The read/write database
In case of transaction-centric applications, it is a good idea to separate read and write databases. In this situation, all write transactions will be executed on the write database and all read transactions will be executed on the read-only database. Using database replication mechanism, data from the write ...
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