Two optimizations: 1. Insert string bytes directly to remove decoding&encoding process. 2. Use native reader to read the hudi base file if it has no log file. Use `explain` to show how many splits are read natively.
Two optimizations: 1. Insert string bytes directly to remove decoding&encoding process. 2. Use native reader to read the hudi base file if it has no log file. Use `explain` to show how many splits are read natively.