HBase Primary Key Design: Best Practices

When designing the primary key of an HBase table, there are the following points to consider:

1. The design of primary keys should efficiently locate the desired data during queries. Therefore, primary key design should avoid full table scans or the need for extensive filtering as much as possible.
2. The design of primary keys should take into account the even distribution of data to avoid performance issues caused by hot spot data.
3. The design of primary keys should meet business requirements, be able to uniquely identify data, and be easy to understand and maintain.
4. The design of primary keys should take into account the growth and changes in data, in order to avoid frequent modifications to the primary key design during future expansion.
5. If range queries are required, the design of the primary key should take into account the need for sorting and range queries.
6. When designing a primary key, consider using a composite key by combining multiple fields to meet the requirements of multi-dimensional queries.
7. Considering that HBase stores data in sorted order based on the primary key, designing the primary key can be used to optimize queries.

In general, primary key design is very important in HBase and should be designed based on specific business requirements and data characteristics to improve query efficiency and system performance.