Scalability and performance improvements, especially for larger cluster sizes
Improved performance for workloads with high concurrency
Faster DDL performance for online schema changes
Improvements to how File System and Database Capacity are managed:
Database storage is now pre-allocated at cluster formation
Database temporary space is now pre-allocated at database start
Release 7.5 also includes numerous enhancements and bugfixes. Please see the release notes for a full list and important considerations to review before upgrading.