Correct calculation of bytes_allocated for sparse_hashed dictionaries in system.dictionaries

Why it matters

This feature fixes the inaccurate reporting of memory usage by sparse_hashed dictionaries in the system.dictionaries table, providing users with precise information about the memory allocated by these dictionaries. Accurate memory metrics help in better monitoring and optimizing resources.

How to use it

Users do not need to take any specific action to enable this feature. The correction is applied automatically in the calculation of the bytes_allocated field for sparse_hashed dictionaries in the system.dictionaries system table.