How to Select Index Parameters for IVF Index

In Best Practices for Milvus Configuration, some best practices for setting key parameters in Milvus clients are introduced to improve search performance. The index_file_size parameter affects data storage and search efficiency. Generally, increasing the value of index_file_size improves search performance but may cause large files to fail loading into GPU or CPU memory. For nlist and nprobe parameters, a trade-off between precision and efficiency is necessary when determining their values. The optimal values for these parameters depend on the dataset size and distribution.