What experience do you have in configuring and managing database replication?

Experience in configuring and managing database replication includes the following aspects:

• Choosing the type of replication: synchronous or asynchronous, depending on requirements for consistency and performance.
• Setting up master and slaves: configuring connection parameters, access rights, initializing slaves with a dump of the master data.
• Monitoring replication status: checking delays, errors, and synchronization status.
• Handling failures and role switching: configuring automatic or manual failover to ensure high availability.
• Performance optimization: tuning buffer settings, logging, and network connections.

For example, in PostgreSQL, to set up asynchronous replication, you need to:

1. Enable WAL logging on the master and configure wal_level.
2. Create a user for replication.
3. Configure pg_hba.conf to allow slave connections.
4. On the slave, perform a base data copy and configure recovery.conf or standby.signal.

Managing replication requires understanding the specifics of the particular DBMS and infrastructure.