Is your feature request related to a problem or challenge? Please describe what you are trying to do.

• While working on Measure best case performance for the new thrift-remodel / custom thrift parser #8441

I noticed almost 15% of the time of the benchmark was due to free'ing ParquetMetaData -- this is almost certainly overhead from the individual allocations (perhaps Strings for statistics) in the structure:

Describe the solution you'd like
Reduce the time spent on deallocating this structure to improve benchmarks

Describe alternatives you've considered

Additional context