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Achieving High Availability (HA) in PostgreSQL: Strategies, Tools, and Best Practices.pdf
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Achieving High Availability (HA) in PostgreSQL
Strategies, Tools, and Best Practices
Principal Engineer
Ibrar Ahmed
High Availability
Operational Continuity: High availability in PostgreSQL guarantees that the database remains operational and
accessible, minimizing downtime even during system failures.
Redundancy and Automated Failover: Implement redundant system configurations alongside automated failover
processes to ensure uninterrupted service and quick recovery from failures.
Data Integrity with Synchronous Replication: Utilize synchronous replication to maintain data integrity, ensuring that
all data on the primary server is exactly mirrored on the standby server at all times, thus preventing data loss.
Seamless Failover Mechanisms: Develop and maintain seamless failover mechanisms that enable quick and efficient
transition to standby servers without service disruption, ensuring continuous database availability.
Monitoring and Regular Testing: Regularly monitor the health of the database systems and conduct failover drills to
ensure the high availability setup performs effectively when actual failures occur.
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