Table Partition Calculator
Calculate the recommended number of table partitions and partition size for large database tables. Improve query performance and manageability.
How to Use the Table Partition Calculator
- Enter current table size in GB.
- Enter monthly data growth rate in GB.
- Select query pattern (date range or key hash).
- Click Calculate to get partitioning recommendations.
使用场景
- •Designing partitioning strategy for large analytics tables.
- •Improving time-series data query performance.
- •Planning data archiving and retention with partitions.
- •Migrating tables to a partitioned schema.
公式
Partition count = ceil(table size GB / 10 GB target partition size). Strategy: RANGE for date queries, HASH for key-based.
常见问题
When should I partition a table?
Partition tables larger than 10 GB, especially when queries filter on a range or key that aligns with partition boundaries.
What is partition pruning?
Partition pruning means the database only scans relevant partitions for a query, ignoring others — dramatically improving performance.
RANGE vs HASH partitioning?
RANGE is ideal for time-series data queried by date. HASH distributes rows evenly, suitable for key-based access patterns.