In an SAP HANA database running in log mode "normal," regular log backups are automatically executed under specific circumstances. One such circumstance is when the log segment is full (D), necessitating a backup to free up space for new log entries. Additionally, a regular log backup is triggered when a predefined time threshold is exceeded (C), ensuring that log backups occur at regular intervals even if the log segment isn't full. This mechanism helps in maintaining a balance between performance and data safety, ensuring that log data is preserved for database recovery without overwhelming the system's storage with frequent backups.
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