Physical slots provide byte-level copies of
Postgres Select Replication Slots Comparison
Online casino platforms rely on reliable database replication to keep player balances, bonus tracking, and game history synchronized across multiple servers. This list highlights the most common replication slot configurations used by major operators in 2026.
Physical Replication Slots
Checklist: license, payout time, bonus rules, mobile play, support hours.
the primary database, ensuring zero data loss
Physical Replication Slots
Physical slots provide byte-level copies of the primary database, ensuring zero data loss during failover. Most casino backends allocate between three and five physical slots to maintain hot standby servers in different geographic regions.
Logical Replication Slots
Lesson: useful when operators want to share only
Logical slots allow selective table replication, useful when operators want to share only user and transaction data with analytics clusters. They consume fewer resources than physical slots but require careful monitoring of lag to avoid bonus or balance discrepancies.
Slot Monitoring Metrics
Key metrics include write-ahead log retention,
lag in bytes, and slot activity timestamps.
Slot Monitoring Metrics
Key metrics include write-ahead log retention, lag in bytes, and slot activity timestamps. Operators set automated alerts when lag exceeds 1 GB or when a slot remains inactive for more than ten minutes, preventing potential payout delays.
Best Practices for Casino Workloads
Schedule daily base backups before peak
traffic hours. Use separate replication slots for
Best Practices for Casino Workloads
Schedule daily base backups before peak traffic hours. Use separate replication slots for reporting queries so they never impact real-time transaction processing. Test failover quarterly to confirm that bonus balances and active sessions survive the switch without manual intervention.